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CAT4201
350mA High Efficiency Step Down LED Driver
FEATURES
LED drive current up to 350mA Compatible with 12V and 24V standard systems Handles transients up to 40V Single Pin Control and Dimming function Power Efficiency up to 94% Drives LED strings of up to 32V Open and short LED protection Parallel configuration for higher output current RoHS-compliant TSOT-23 5-lead package
DESCRIPTION
The CAT4201 is a high efficiency step-down converter optimized to drive high current LEDs. A patented switching control algorithm allows highly efficient and accurate LED current regulation. A single RSET resistor sets the full scale LED string current up to 350mA from supplies as high as 36V. The switching architecture of the CAT4201 results in extremely low internal power dissipation allowing the device to be housed in a tiny package without the need for dedicated heat sinking. The device is compatible with switching frequencies of up to 1MHz, making it ideal for applications requiring small footprint and low value external inductors. Analog dimming and LED shutdown control is provided via a single input pin, CTRL. Additional features include overload current protection and thermal shutdown. The device is available in the low profile 5-lead thin SOT23 package and is ideal for space constrained applications. Package Marking TF
For Ordering Information details, see page 14.
APPLICATIONS
12V and 24V Lighting Systems Automotive and Aircraft Lighting General lighting High Brightness 350mA LEDs
ORDERING INFORMATION
Part Number CAT4201TD-GT3
* Plated Finish: NiPdAu
Quantity per Reel 3000
PIN CONFIGURATION
TSOT-23 5-lead
CTRL GND RSET 1 2 3 CAT4201 4 SW 5 VBAT
TYPICAL APPLICATION CIRCUIT
VBAT 9V C1 4.7F VBAT D
Bulb Replacement
C2 300mA 10F L
CAT4201
R1 RSET CTRL GND SW
(Top View)
10k
22H
D: Central Schottky CMDSH05-4 L: Sumida CDRH6D26-220 See Table 1 on page 6 for external component selection.
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Doc. No. MD-5025 Rev. E
CAT4201
ABSOLUTE MAXIMUM RATINGS(1) Parameters VBAT, SW, CTRL RSET Switch SW peak current Storage Temperature Range Junction Temperature Range Lead Temperature RECOMMENDED OPERATING CONDITIONS Parameters Ratings
(2) (3)
Ratings -0.3 to +40 -0.3 to +5 1 -65 to +160 -40 to +150 300
Units V V A C C C
Units
(2)
VBAT voltage SW voltage Ambient Temperature Range LED Current Switching Frequency
6.5 to 36 0 to 36
V V C mA kHz
-40 to +125 50 to 350 50 to 1000
ELECTRICAL CHARACTERISTICS VIN = 13V, ambient temperature of 25C (over recommended operating conditions unless specified otherwise) Symbol IQ ISD VFB ILED VCTRL-FULL VCTRL-EN VCTRL-SD ICTRL RSW TSD THYST Parameter Operating Supply Current on VBAT pin Idle Mode Supply Current on VBAT pin RSET Pin Voltage Programmed LED Current CTRL Voltage for 100% Brightness CTRL Voltage to Enable LEDs CTRL Voltage to Shutdown LEDs CTRL pin input bias Switch "On" Resistance Thermal Shutdown Thermal Hysteresis Efficiency LED enable voltage threshold LED disable voltage threshold VCTRL = 3V VCTRL = 12V ISW = 300mA 0.4 Conditions Min Typ 0.4 CTRL = GND 2 LEDs with ILED= 300mA R1 = 33k R1 = 10k R1 = 8.25k 1.15 270 90 1.2 100 300 350 2.6 0.9 0.9 40 200 0.9 150 20 86 80 1.5 1.25 330 3.1 1.2 Max 1 Units mA A V mA V V V A C C %
Typical Application Circuit
Notes: (1) Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions outside of those listed in the operational sections of this specification is not implied. Exposure to any absolute maximum rating for extended periods may affect device performance and reliability. (2) The VBAT pin voltage should be at least 3V greater than the total sum of the LED forward voltages in order to operate at nominal LED current. (3) During power-up, the slew rate of the input supply should be greater than 1s for every 5V increase of VBAT.
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(c) 2008 SCILLC. All rights reserved. Characteristics subject to change without notice
CAT4201
TYPICAL OPERATION CHARACTERISTICS VIN = 13V, ILED = 300mA, L = 22H, C1= 4.7F, C2 = 10F, TAMB = 25C unless otherwise specified Input Operating Supply Current
1.0 QUIESCENT CURRENT [mA]
Idle Mode Supply Current (CTRL = 0V)
200 IDLE CURRENT [A]
0.8 0.6 0.4 0.2 0.0 8 10 12 14 16 18 20 22 24 INPUT VOLTAGE [V]
150
100
50
0 0 4 8 12 16 20 INPUT VOLTAGE [V] 24
CTRL Input Bias Current
250 CTRL BIAS CURRENT [A] .
RSET Voltage vs. Temperature
1.30 RSET VOLTAGE [V] 1.25 1.20 1.15 1.10 VIN = 13V
200 150 100 50 0 0 2 4 6 8 10 CTRL VOLTAGE [V] 12
-40
0 40 80 TEMPERATURE [C]
120
RSET Voltage vs. CTRL Voltage
1.4 1.2 RSET VOLTAGE [V]
LED Current vs. RSET
400 LED CURRENT [mA]
1.0 0.8 0.6 0.4 0.2 0.0 0
+25C -40C + 85C
300 200 100
0
1 2 3 CTRL VOLTAGE [V] 4
5
10
15 20 25 RSET [k]
30
35
(c) 2008 SCILLC. All rights reserved. Characteristics subject to change without notice
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Doc. No. MD-5025 Rev. E
CAT4201
TYPICAL OPERATION CHARACTERISTICS VIN = 13V, ILED = 300mA, L = 22H, C1= 4.7F, C2 = 10F, TAMB = 25C unless otherwise specified Switching Frequency vs. Input Voltage (1 LED)
SWITCHING FREQUENCY [kHz] 500 400 300 200 300mA 100 0 8 12 16 20 24 INPUT VOLTAGE [V] 28 150mA
Switching Frequency vs. Input Voltage (2 LEDs)
SWITCHING FREQUENCY [kHz] 700 600 500 400 300 200 100 0 8 12 16 20 24 INPUT VOLTAGE [V] 28 300mA 150mA
Switching Frequency vs. Temperature
SWITCHING FREQUENCY [kHz] 500 150mA VIN = 13V
Switch ON Resistance vs. Input Voltage
2 SW RESISTANCE [] 1.6 1.2 0.8 0.4 0
400
300 300mA 200
100 -40 0 40 80 TEMPERATURE [C] 120
8
10 12 14 16 18 20 22 24 INPUT VOLTAGE [V]
Efficiency vs. Input Voltage (1 LED)
100 95 EFFICIENCY [%]
Efficiency vs. Input Voltage (2 LEDs)
100 95 EFFICIENCY [%] 90 85 80 75 70 300mA 150mA
90 150mA 85 80 300mA 75 70 8 10 12 14 16 18 20 22 24 INPUT VOLTAGE [V]
8 10 12 14 16 18 20 22 24 INPUT VOLTAGE [V]
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(c) 2008 SCILLC. All rights reserved. Characteristics subject to change without notice
CAT4201
TYPICAL OPERATION CHARACTERISTICS VIN = 13V, ILED = 300mA, L = 22H, C1= 4.7F, C2 = 10F, TAMB = 25C unless otherwise specified Efficiency vs. LED Current
100 95 EFFICIENCY [%] 90 85 80 75 70 100 1 LED 2 LEDs
LED Current Regulation vs. Temperature
10 8 6 4 2 0 -2 -4 -6 -8 -10 -40 LED CURRENT VARIATION [%] . VIN = 13V
150 200 250 300 LED CURRENT [mA]
350
0 40 80 TEMPERATURE [C]
120
LED Current vs. Input Voltage (1 LED)
350 300 LED CURRENT [mA] 250 200 150 100 50 0 0 4 8 12 16 20 24 INPUT VOLTAGE [V] 28 VF = 3.3V
LED Current vs. Input Voltage (2 LEDs)
350 LED CURRENT [mA] VF = 3.3V 300mA
300mA
300 250 200 150 100 50 0 0 4
V F = 3.1V 150mA
VF = 3.1V 150mA
8 12 16 20 24 INPUT VOLTAGE [V]
28
Switching Waveforms
CTRL Power-up
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Doc. No. MD-5025 Rev. E
CAT4201
TYPICAL OPERATION CHARACTERISTICS VIN = 13V, ILED = 300mA, L = 22H, C1= 4.7F, C2 = 10F, TAMB = 25C unless otherwise specified RSET Transient Response Line Transient Response (10V to 13V)
EXTERNAL COMPONENT SELECTION Table 1 provides the recommended external components L and C2 that offer the best performance 1 LED LED current (mA) 150 < 150 L inductor (H) 10 22 33 47
relative to the LED current accuracy, LED ripple current, switching frequency and component size. 2 LEDs L inductor (H) 22 47 C2 Capacitor (F) 4.7 2.2
C2 Capacitor (F) 2.2 4.7 4.7 10
Table 1. External Component Selection Note: Larger C2 capacitor values allow to reduce further the LED ripple current if needed.
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(c) 2008 SCILLC. All rights reserved. Characteristics subject to change without notice
CAT4201 PIN DESCRIPTION
Pin 1 2 3 4 5 Name CTRL GND RSET SW VBAT Function Analog dimming control and shutdown pin. Ground reference. RSET pin. A resistor connected between the pin and ground sets the average LED current. Interface to the inductor. Supply voltage for the device.
PIN FUNCTION
VBAT is the supply input to the device. Typical current conduction into this pin is less than 1mA and voltage transients of up to 40V can be applied. To ensure accurate LED current regulation, the VBAT voltage should be 3V higher than the total forward voltage of the LED string. A bypass capacitor of 4.7F or larger is recommended between VBAT and GND. CTRL is the analog dimming and control input. An internal pull-down current of 20A allows the LEDs to shutdown if CTRL is left floating. Voltages of up to 40V can be safely handled by the CTRL input pin. When the CTRL voltage is less than 0.9V (typ), the LEDs will shutdown to zero current. When the CTRL voltage is greater than about 2.6V, full scale brightness is applied to the LED output. At voltages of less than around 2.6V, the LED current is progressively dimmed until shutdown. For lamp replacement applications, or applications where operation in dropout mode is expected, it is recommended that the CTRL pin voltage be derived from the LED cathode terminal. GND is the ground reference pin. This pin should be connected directly to the ground plane on the PCB. SW pin is the drain terminal of the internal low resistance high-voltage power MOSFET. The inductor and the Schottky diode anode should be connected to the SW pin. Voltages of up to 40V can be safely handled on the SW pin. Traces going to the SW pin should be as short as possible with minimum loop area. The device can handle safely "open-LED" or "shorted-LED" fault conditions. RSET pin is regulated at 1.2V. A resistor connected between the RSET pin and ground sets the LED fullscale brightness current. The external resistance value and the CTRL pin voltage determine the LED current during analog dimming.
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Doc. No. MD-5025 Rev. E
CAT4201 SIMPLIFIED BLOCK DIAGRAM
12V/24V
VBAT 30k CTRL 20A 7V EN PWM Controller ON-Time Control R2 1.2V 1 OFF-Time Control SW
1.2V Reference
+ -
EN
RSET
GND
Figure 1. CAT4201 Simplified Block Diagram
BASIC OPERATION
The CAT4201 is a high efficiency step-down regulator designed to drive series connected high-power LEDs. LED strings with total forward voltages of up to 32V can be driven with bias currents of up to 350mA. During the first switching phase, an integrated high voltage power MOSFET allows the inductor current to charge linearly until the peak maximum level is reached, at which point the MOSFET is switched off and the second phase commences, allowing the inductor current to then flow through the Schottky diode circuit and discharge linearly back to zero current. The switching architecture ensures the device will always operate at the cross-over point between Continuous Conduction Mode (CCM) and Discontinuous Conduction Mode (DCM). This operating mode results in an average LED current which is equal to half of the peak switching current. LED Pin Current The LED current is set by the external RSET resistor connected to the regulated output of the RSET pin. An overall current gain ratio of approximately 2.5A/mA exists between the average LED current and the RSET current, hence the following equation can be used to calculate the LED current. LED Current (A) 2.5 x VRSET (V) / RSET (k) Table 2 lists the various LED currents and the associated RSET resistors. LED current (A) 0.10 0.15 0.20 0.25 0.30 0.35 RSET (k) 33 21 15 12 10 8.25
Table 2. RSET Resistor Selection
Doc. No. MD-5025 Rev. E
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(c) 2008 SCILLC. All rights reserved. Characteristics subject to change without notice
CAT4201 APPLICATION INFORMATION
Input Voltage Range The minimum supply voltage required to maintain adequate regulation is set by the cathode terminal voltage of the LED string (i.e the VBAT voltage minus the LED string voltage). When the LED cathode terminal falls below 3V, a loss of regulation occurs. For applications which may occasionally need to experience supply "dropout" conditions, it is recommended that the CTRL input be used to sense the LED cathode voltage. The CTRL pin can either be tied directly to the cathode terminal (for Lamp Replacement) or connected via a pass-transistor for PWM lighting applications. Figure 2 shows the regulation performance obtained in dropout, when the CTRL pin is configured to sense the LED cathode voltage.
400 LED CURRENT [mA]
Part Number CDRH6D26-100 CDRH6D26-220 CDRH6D28-330 CDRH6D28-470 CDRH6D28-560
L (H) 10 22 33 47 56
I rated (A) 1.5 1.0 0.92 0.8 0.73
LED current (A) 0.35 0.35 0.35 0.35 0.35
Table 3. Sumida inductors Capacitor Selection A 10F ceramic capacitor C2 across the LED(s) keeps the LED ripple current within 15% of nominal for most applications. If needed, a larger capacitor can be used to further reduce the LED current ripple. Any resistance in series with the LED (0.5 or more) contributes to reduce the ripple current. The capacitor voltage rating should be equivalent to the maximum expected supply voltage so as to allow for "OpenLED" fault conditions. The capacitor value is independent of the switching frequency or the overall efficiency. A 4.7F ceramic input capacitor C1 is recommended to minimize the input current ripple generated on the supply. Using a larger capacitor value further reduces the ripple noise appearing on the supply rail. If a constant capacitance is needed across temperature and voltage, X5R or X7R dielectric capacitors are recommended.
300 200
300mA
100 0 0
150mA
1 2 3 4 5 CTRL VOLTAGE [V]
6
Figure 2. "Dropout" configured LED Current (as shown in Typical Application on page 1) Inductor Selection For 350mA LED current drive levels, a 22H inductor value is recommended to provide suitable switching frequency across a wide range of input supply values. For LED current of 150mA or less, a 33H or 47H inductor is more suitable. The inductor must have a maximum current rating which equals or exceeds twice the programmed LED current. For example, when driving LEDs at 350mA, an inductor with at least 700mA current rating must be used. Minor improvements in efficiency can be achieved by selecting inductors with lower series resistance.
Schottky Diode The peak repetitive current rating of the Schottky diode must be greater than the peak current flowing through the inductor. Also the continuous current rating of the Schottky must be greater than the average LED current. The voltage rating of the diode should be greater than the peak supply voltage transient preventing any breakdown or leakage. Central Semiconductor Schottky diode CMDSH05-4 (40V, 500mA rated) is recommended. Schottky diodes rated at 400mA (or higher) continuous current are fine for most applications.
Note: Schottky diodes with extremelly low forward voltages (VF) are not recommended, as they may cause an increase in the LED current.
(c) 2008 SCILLC. All rights reserved. Characteristics subject to change without notice
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Doc. No. MD-5025 Rev. E
CAT4201
Dimming Methods Two methods for PWM dimming control on the LEDs are described below. The first method is to PWM on the control pin, the other method is to turn on and off a second resistor connected to the RSET pin and connected in parallel with R1. PWM on CTRL Pin A PWM signal from a microprocessor can be used for dimming the LEDs when tied to the CTRL pin. The duty cycle which is the ratio between the On time and the total cycle time sets the dimming factor. The recommended PWM frequency on the CTRL pin is between 100Hz and 2kHz.
VBAT 12V C1 D C2 10F L CTRL GND PWM control SW 22H Q1 R2 R4 1k R5 47k 1k NPN
4.7F VBAT CAT4201 RSET R1 10k
5V 0V
Figure 5. Circuit for PWM on CTRL PWM on RSET Pin Another dimming method is to place in parallel to R1 another resistor with a FET in series, as shown on Figure 6. R1 sets the minimum LED current corresponding to 0% duty cycle. The combined resistor of R1 and Rmax sets the maximum LED current corresponding to 100% duty cycle.
VBAT 13V C1 D C2 10F L CTRL GND SW 22H Q1 R2 OFF ON 1k NPN
4.7F
Figure 3. PWM at 1kHz on CTRL Pin
VBAT CAT4201 RSET
300 LED CURRENT [mA] 250 200 150 100 50 0 100
Rmax
R1
PWM control
Figure 6. Circuit for PWM on RSET
80 60 40 20 DUTY CYCLE [%]
0
Figure 4. LED Current vs. Duty Cycle
Doc. No. MD-5025 Rev. E
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(c) 2008 SCILLC. All rights reserved. Characteristics subject to change without notice
CAT4201
Operation from high supply voltage above 14V For operation from a supply voltage above 14V, it is recommended to have a slew rate of 1s or more for every 5V increase in VBAT supply. When using a high supply voltage of 24V, a 1 or 2 resistor in series with the supply, as shown on Figure 7, is recommended to limit the slew rate of the supply voltage. A 4.7F minimum ceramic capacitor is placed between the VBAT pin and ground. The combination of the series resistor R3 and input capacitor C1 atcs as a low pass filter limiting the excessive in-rush currents and overvoltage transients which would otherwise occur during "hot-plug" conditions, thereby protecting the CAT4201 driver.
VBAT 24V R3 1 C1 4.7F VBAT D1
Parallel configuration for driving LEDs beyond 350mA Several CAT4201 devices can be connected in parallel for driving LEDs with current in excess of 350mA. The CAT4201 driver circuits are connected to the same LED cathode. Figure 9 shows the application schematic for driving 1A into one LED with three CAT4201 connected in parallel. Each CAT4201 is driving the LED with a current set by its RSET resistor. The resulting LED current is equal to the sum of each driver current.
VIN R5 C1 4.7F VBAT U1 D1 C4 10F 1A L1 CTRL GND SW 22H 1k
1
CAT4201
R1
C2 4.7F L CTRL GND R1 1k SW 33H 300mA
RSET R4
8.3k
CAT4201
R1 10k RSET
C2 4.7F VBAT U2 D2
CAT4201
R2 8.3k RSET L2 CTRL GND SW 22H
Figure 7. 24V Application with 5 LEDs
Operation from high supply voltage of 36V When powering from a high supply voltage of 36V, a 2 resistor in series with the supply is recommended, as shown on Figure 8, to limit the slew rate of the supply voltage.
VBAT 36V R3 2 C1 4.7F VBAT D1
C3 4.7F VBAT U3 D3
CAT4201
R3 8.3k
C2 2.2F L CTRL GND R2 1k SW 47H 300mA
RSET L3 CTRL GND SW 22H
CAT4201
R1 10k RSET
Figure 9. Three CAT4201 in Parallel for 1A LED
Figure 8. 36V Application with 6 LEDs
(c) 2008 SCILLC. All rights reserved. Characteristics subject to change without notice
11
Doc. No. MD-5025 Rev. E
CAT4201
Open LED Behavior If the LEDs are not connected, the CAT4201 stops switching and draws very little current. At power-up with no load connected, the capacitor C2 is charged-up by the CAT4201. As soon as the bottom side of the capacitor (C2-) reaches 0 volt, as shown on Figure 10, the CAT4201 stops switching and remains in the idle mode only drawing about 0.4mA current from the supply. Board Layout In order to minimize EMI and switching noise, the Schottky diode, the inductor and the output capacitor C2 should all be located close to the driver IC. The input capacitor C1 should be located close to the VBAT pin and the Schottky diode cathode. The CAT4201 ground pin should be connected directly to the ground plane on the PCB. A recommended PCB layout with component location is shown on Figure 11. The LEDs are connected by two wires tied to both sides of the output capacitor C2. The LEDs can be located away from the driver if needed.
Figure 10. Open LED mode
Figure 11. Recommended PCB Layout In order to further reduce the ripple on the supply rail, an optional Pi style filter (C-L-C) can be used. A 10H inductor rated to the maximum supply current can be used.
Doc. No. MD-5025 Rev. E
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(c) 2008 SCILLC. All rights reserved. Characteristics subject to change without notice
CAT4201 PACKAGE OUTLINE DRAWING
TSOT-23 5-LEAD (TD)(1)(2)
SYMBOL A A1 A2 b c D
E1 E
D e
MIN 0.01 0.80 0.30 0.12
NOM 0.05 0.87 0.15 2.90 BSC 2.80 BSC 1.60 BSC 0.95 TYP
MAX 1.00 0.10 0.90 0.45 0.20
E E1 e L L1 L2 0 0.30
0.40 0.60 REF 0.25 BSC
0.50
8
TOP VIEW
A2 A
b
A1 L1
L
c
L2
SIDE VIEW
END VIEW
For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf.
Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC standard MO-193.
(c) 2008 SCILLC. All rights reserved. Characteristics subject to change without notice
13
Doc. No. MD-5025 Rev. E
CAT4201 EXAMPLE OF ORDERING INFORMATION(1)
Prefix CAT Device # 4201 Suffix TD -G T3
Company ID Product Number 4201
Package TD: TSOT
Plated Finish G: NiPdAu
Tape & Reel T: Tape & Reel 3: 3000/Reel
ORDERING PART NUMBER
CAT4201TD-GT3
Notes: (1) All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The standard plated finish is NiPdAu on all pins. (3) The device used in the above example is a CAT4201TD-GT3 (TSOT-23, NiPdAu, Tape & Reel). (4) For additional package and temperature options, please contact your nearest ON Semiconductor Sales office.
Doc. No. MD-5025 Rev. E
14
(c) 2008 SCILLC. All rights reserved. Characteristics subject to change without notice
CAT4201 REVISION HISTORY
Date 24-Jul-07 02-Aug-07 Revision A B Reason Initial Issue Updated Typical Application Circuit Added "External Component Selection" Table Added "Capacitor Selection" information Updated Figures 5, 6, 7, 8 Update Description, change patent-pending to patented Update Package Outline Drawing Update Supply Voltage Change logo and fine print to ON Semiconductor
21-Feb-08 17-Jun-08 17-Nov-08
C D E
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. "Typical" parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303-675-2175 or 800-344-3860 Toll Free USA/Canada Fax: 303-675-2176 or 800-344-3867 Toll Free USA/Canada Email: orderlit@onsemi.com N. American Technical Support: 800-282-9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center: Phone: 81-3-5773-3850 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative
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Doc. No. MD-5025 Rev. E

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