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TS9004 Series
300mA CMOS LDO Adjustable Voltage with Enable & Power Good
SOT-26
Pin Definition: 1. Input 2. Ground 3. Enable 4. Power Good 5. Adjustable 6. Output
SOT-25
Pin Definition: 1. Input 2. Ground 3. Enable 4. Adjustable 5. Output
General Description
The TS9004 is a positive voltage linear regulator developed utilizing CMOS technology featured low quiescent current (35uA typ.), low dropout voltage, and high output voltage accuracy, making them ideal for battery applications. The Chip Enable (CE) includes a CMOS or TTL compatible input allows the output to be turned off to prolong battery life. The TS9004 is included a precision voltage reference, current fold-back, error correction circuit, a current limited output driver, over temperature shutdown, and a "Power Good" detector, which pulls low when the output is out of regulation.
Features
Very Low Dropout Low power consumption: 35uA(typ.) Output voltage 2% Internal current limit and thermal shutdown Short circuit current fold-back Power saving shutdown mode Power good output function Adjustable output voltage Palmtops Video recorders Battery powered equipment PC peripherals High-efficiency linear power supplies Digital Signal Camera
Ordering Information
Part No.
TS9004CX5 RF TS9004CX6 RF
Package
SOT-25 SOT-26
Packing
3Kpcs / 7" Reel 3Kpcs / 7" Reel
Typical Application Circuit
VIN R1 C2 100p VOUT
Applications
EN off on
R2
COUT 2.2uF
Block Diagram
VIN R1 EN off on R2 C2 100p COUT 2.2uF VOUT
VOUT = 1.215 (R1+R2)/R2 C2 is unnecessary when R1 or R2 < 20K PG pin is only available in the SOT-26 package Connected to output for Power Good or left floating
1/7
Version: A07
TS9004 Series
300mA CMOS LDO Adjustable Voltage with Enable & Power Good
Absolute Maximum Rating
Parameter Symbol Limit Unit
V V mA
o
Input Supply Voltage VIN +8 Enable Input Voltage VCE Gnd-0.3 ~ VIN +0.3 Output Current IO PD / (VIN - VOUT) Power Dissipation PD Internal Limited Thermal Resistance JA 140 Operating Ambient Temperature Range TA -40 ~ +85 Operating Junction Temperature Range TJ -40 ~ +125 Storage Temperature Range TSTG -65 ~ +150 o Lead Soldering Temperature (260 C) 10 ESD Classification HBM 2k Notes: Stress above the listed absolute rating may cause permanent damage to the device.
C/W o C o C o C S V
Electrical Characteristics (Ta = 25oC, unless otherwise noted)
Parameter
Input Voltage Output Voltage Accuracy Dropout Voltage Output Current Current Limit Short Circuit Current Ground Pin Current Line Regulation Load Regulation Over Temperature Shutdown Over Temperature Hysterisis VO Temperature Coefficient Power Supply Rejection
Symbol
VIN VO VDROP IO ILIM ISC IGND REGLINE REGLOAD OTS OTH TC PSRR IO =100mA CO=2.2mF (Note 1) IO =1mA
Test Condition
Min
--2 ---300 300 ---------
Typ
--See chart -450 150 35 -0.02 0.2 150 30 30 60 50 20 30 1 1.215 ---
Max
7 +2 1300 400 300 --300 -0.15 0.1 1 --------1.23 VIN 0.4
Units
V % mV mA mA mA mA % % %
o
IO =300mA VO =VO(NOM) -2.0% VO >1.2V VO >1.2V VO <0.8V (Note 2) IO =1mA to 300mA IO =5mA VIN= VO +1 to VO +2 IO =1mA to 300mA
1.5V< VO(NOM 2.0V 2.0V< VO(NOM 2.8V 2.8V< VO(NOM <3.8V
VO < 2.0V VO 2.0V
C C
o
o
ppm/ C dB
f=100Hz f=1kHz f=10kHz CO =2.2nF
-----1.2 2.0 0
Output Voltage Noise ADJ Input Bias Current ADJ Reference Voltage EN Input Threshold
eN IADJ VREF VEH VEL
f=10Hz to 100kHz IO =10mA,CBYP=0mF
mVrms mA V V V
VIN=2.7V to 7V VIN =2.7V to 7V
2/7
Version: A07
TS9004 Series
300mA CMOS LDO Adjustable Voltage with Enable & Power Good
Electrical Characteristics (Ta = 25oC, unless otherwise noted) (Continue)
Parameter
EN Input Bias Current
Symbol
IEH IEL
Test Condition
VEN= VIN, VIN =2.7V to 7V VEN =0V, VIN =2.7V to 7V
Min
---
Typ
---
Max
0.1 0.5
Units
mA mA
Shutdown Supply ISD VIN =5V, VO=0V VEN < VEL -0.5 1 mA Current Shutdown Output VO,SD IO =35mA, VEN < VEL 0 -0.1 V Voltage Output Under Voltage VUV --85 % VO (NOM) Output Over Voltage VOV 115 --% VO (NOM) PG Leakage Current ILC VPG=7V --1 mA PG Voltage Rating VPG VO in regulation --7 V PG Voltage Low VOL ISINK=0.4mA --0.4 V Note1: VIN(MIN)=VOUT+VDROPOUT Note2: To prevent the Short Circuit Current protection feature from being prematurely activated, the input voltage must be applied before a current source load is applied.
Detailed Description
The TS9004 family of CMOS regulators contain a PMOS pass transistor, voltage reference, error amplifier, overcurrent protection, thermal shutdown, and Power Good detection circuitry. The P-channel pass transistor receives data from the error amplifier, over-current shutdown, and thermal protection circuits. During normal operation, the error amplifier compares the output voltage to a precision reference. Over-current and Thermal shutdown circuits become o active when the junction temperature exceeds 150 C, or the current exceeds 300mA. During thermal shutdown, the o output voltage remains low. Normal operation is restored when the junction temperature drops below 120 C. The TS9004 switches from voltage mode to current mode when the load exceeds the rated output current. This prevents over-stress. The TS9004 also incorporates current foldback to reduce power dissipation when the output is short circuited. This feature becomes active when the output drops below 0.8volts, and reduces the current flow by 65%. Full current is restored when the voltage exceeds 0.8 volts.
External Capacitors
The TS9004 is stable with an output capacitor to ground of 2.2uF or greater. Ceramic capacitors have the lowest ESR, and will offer the best AC performance. Conversely, Aluminum Electrolytic capacitors exhibit the highest ESR, resulting in the poorest AC response. Unfortunately, large value ceramic capacitors are comparatively expensive. One option is to parallel a 0.1uF ceramic capacitor with a 10uF Aluminum Electrolytic. The benefit is low ESR, high capacitance, and low overall cost. A second capacitor is recommended between the input and ground to stabilize VIN. The input capacitor should be at least 0.1uF to have a beneficial effect. All capacitors should be placed in close proximity to the pins. A "Quiet" ground termination is desirable. This can be achieved with a "Star" connection.
Enable
The Enable pin normally floats high. When actively, pulled low, the PMOS pass transistor shuts off, and all internal circuits are powered down. In this state, the quiescent current is less than 1mA. This pin behaves much like an electronic switch.
Power Good
The TS9004 includes the Power Good feature. When the output is not within +10% of the specified voltage, it pulls low. This can occur under the following conditions: (1) Input Voltage too low. (2) During Over-Temperature. (3) During Over-Current. (4) If output is pulled up. (Note: PG pin is an open-drain output.)
3/7
Version: A07
TS9004 Series
300mA CMOS LDO Adjustable Voltage with Enable & Power Good
Electrical Characteristics Curve
Figure 1. Ground Current vs. Input Voltage
Figure 2. Current Limit Response
Figure 3. Line Transient Response
Figure 4. Load Step (1mA~300mA)
Figure 5. Chip Enable Transient Response
4/7
Figure 6. Vdrop vs. Vout
Version: A07
TS9004 Series
300mA CMOS LDO Adjustable Voltage with Enable & Power Good SOT-26 Mechanical Drawing
DIM A A1 B C D E F G H I J
SOT-26 DIMENSION MILLIMETERS INCHES MIN MIN TYP MAX TYP 0.95 BSC 1.9 BSC 2.60 1.40 2.80 1.00 0.00 0.35 0.10 0.30 5 2.80 1.50 2.90 1.10 -0.40 0.15 --3.00 1.70 3.10 1.20 0.10 0.50 0.20 0.60 10 0.0374 BSC
MAX
0.0748 BSC 0.1024 0.1102 0.1181 0.0551 0.1101 0.0394 0.00 0.0138 0.0039 0.0118 5 0.0157 0.0059 --0.0591 0.1142 0.0433 0.0669 0.1220 0.0472 0.0039 0.0197 0.0079 0.0236 10
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Version: A07
TS9004 Series
300mA CMOS LDO Adjustable Voltage with Enable & Power Good SOT-25 Mechanical Drawing
DIM A+A1 B C D E E H L 1 S1
SOT-25 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX. 0.09 1.25 0.0354 0.0492 0.30 0.50 0.0118 0.0197 0.09 0.25 0.0035 0.0098 2.70 3.10 0.1063 0.1220 1.40 1.80 0.0551 0.0709 1.90 BSC 0.0748 BSC 2.40 3.00 0.09449 0.1181 0.35 BSC 0.0138 BSC 0 10 0 10 0.95 BSC 0.0374 BSC
6/7
Version: A07
TS9004 Series
300mA CMOS LDO Adjustable Voltage with Enable & Power Good
Notice
Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, to any intellectual property rights is granted by this document. Except as provided in TSC's terms and conditions of sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify TSC for any damages resulting from such improper use or sale.
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Version: A07

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