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Impala Linear Corporation
ILC5062
SOT-23 Power Supply reset Monitor With Complementary CMOS Output
General Description All-CMOS voltage monitoring circuit in a 3-lead SOT-23 package offers the best performance in power consumption and accuracy. The ILC5062 is available in a series of 1% (A-grade) or 2% (standard grade) accurate trip voltages to fit most microprocessor applications. Even though its output can sink over 2mA, the device draws only 1A in normal operation. Additionally, a built-in hysteresis of 5% of detect voltage simplifies system design. * * * * * * * * * * *
Features All-CMOS design in SOT-23 package A grade 1% precision in Reset Detection Standard grade : 2% precision in Reset Detection Only 1A of Iq Over 2mA of sink current capability Built-in hysteresis of 5% of detection voltage Voltage options of 2.6, 2.7, 2.8, 2.9, 3.1, 4.4, and 4.6V fit most supervisory applications Applications Microprocessor reset circuits Memory battery back-up circuitry Power-on reset circuits Portable and battery powered electronics
Block Diagram
VIN
Ordering Information ILC5062AM-26 ILC5062AM-27
VOUT
2.6V1% Monitor in SOT-23 2.7V1% Monitor in SOT-23 2.8V1% Monitor in SOT-23 2.9V1% Monitor in SOT-23 3.1V1% Monitor in SOT-23 4.4V1% Monitor in SOT-23 4.6V1% Monitor in SOT-23 2.6V2% Monitor in SOT-23 2.7V2% Monitor in SOT-23 2.8V2% Monitor in SOT-23 2.9V2% Monitor in SOT-23 3.1V2% Monitor in SOT-23 4.4V2% Monitor in SOT-23 4.6V2% Monitor in SOT-23
ILC5062AM-28 ILC5062AM-29 ILC5062AM-31
VREF VSS
ILC5062AM-44 ILC5062AM-46 ILC5062M-26 ILC5062M-27 ILC5062M-28 ILC5062M-29 ILC5062M-31 ILC5062M-44
3 VSS
Complementary CMOS Output
Pin-Package Configurations
VIN 2
SOT-23
(TOP VIEW) 1 VOUT
ILC5062M-46
* Standard product offering comes in tape & reel, quantity 3000 per reel, orentation right
Impala Linear Corporation
ILC5062 1.3
(408) 574-3939
www.impalalinear.com
June 1999
1
SOT-23 Power Supply reset Monitor With Complementary CMOS Output
Absolute Maximum Ratings (TA=25C)
Parameter Input Voltage Output Current Output Voltage Continuous Total Power Dissipation (SOT-23) Operating Ambient Temperature Storage Temperature Symbol VIN IOUT VOUT Pd Topr Tstg Ratings 12 50 VSS-0.3~VIN=+0.3 150 -30~+80 -40~+125 Units V mA V mW C C
Electrical Characterisitcs ILC5062 (TA=25C)
Parameter Detect Fail Voltage Detect Fail Voltage Hysteresis Range Symbol VDF VDF VHYS VIN = 1.5V Supply Current ISS VIN = VIN = VIN = VIN = 2.0V 3.0V 4.0V 5.0V 1.5 Conditions A grade Standard grade Min VDF X 0.99 VDF X 0.98 VDF X 0.02 Typ VDF VDF VDF X 0.05 0.9 1.0 1.3 1.6 2.0 Max VDF X 1.01 VDF X 1.02 VDF X 0.08 2.6 3.0 3.4 3.8 4.2 10.0 Units V V V A
Operating Voltage Output Current
VIN IOUT
VDF = 2.1 ~ 6.0V N-ch VDS = 0.5V VIN = 1.0V VIN = 2.0V VIN = 3.0V VIN = 4.0V VIN = 5.0V P-Ch VDS = 2.1V VIN = 8V
V
2.2 7.7 10.1 11.5 13.0 -10
mA
Temperature Characteristics Delay Time (Release Voltage Output Inversion)
VDF/(Topr*VDF) -30C < Topr < 80C tDLY (VDR VOUT Inversion)
100
ppm/C ms
0.2
Note: An additional resistor between the VIN pin and supply voltage may cause deterioration of the characteristics due to increasing of VDR.
Impala Linear Corporation
ILC5062 1.3
(408) 574-3939
www.impalalinear.com
June 1999
2
SOT-23 Power Supply reset Monitor With Complementary CMOS Output
Functional Description
The following designators 1~6 refer to the timing diagram below. 1. While the input voltage (VIN) is higher than the detect voltage (VDF), the output voltage at VOUT pin equals the input voltage at VIN pin. 2. When the input VIN voltage falls lower than VDF, VOUT drops near ground voltage. 3. If the input voltage decreases below the minimum operating voltage (VMIN), the VOUT output voltage will be undefined. 4. During an increase of the input voltage from the VSS voltage, VOUT is undefined at the voltage below VMIN. Exceeding the VMIN level, the ouput stays at the ground level (VSS) between the minimum operating voltage (VMIN) and the detect release voltage (VDR). 5. If the input voltage increases more than VDR, the output voltage at VOUT pin equals the input voltage at VIN pin. 6. The difference between VDR and VDF is the hysteresis in the system.
Timing Diagram
INPUT VOLTAGE (VIN) DETECT RELEASE VOLTAGE (VDR)
6
DETECT FAIL VOLTAGE (VDF)
MINIMUM OPERATING VOLTAGE (VMIN) GROUND VOLTAGE (VSS) OUTPUT VOLTAGE (VOUT)
GROUND VOLTAGE (VSS)
1 2 3 4 5
Impala Linear Corporation
ILC5062 1.3
(408) 574-3939
www.impalalinear.com
June 1999
3
SOT-23 Power Supply reset Monitor With Complementary CMOS Output
Typical Performance Characteristics - general conditions for all curves.
Impala Linear Corporation
ILC5062 1.3
(408) 574-3939
www.impalalinear.com
June 1999
4
SOT-23 Power Supply reset Monitor With Complementary CMOS Output
Typical Performance Characteristics - general conditions for all curves.
Impala Linear Corporation
ILC5062 1.3
(408) 574-3939
www.impalalinear.com
June 1999
5
SOT-23 Power Supply reset Monitor With Complementary CMOS Output
Devices sold by Impala Linear Corporation are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. Impala Linear Corporation makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. Impala Linear Corporation makes no warranty of merchantability or fitness for any purpose. Impala Linear Corporation reserves the right to discontinue production and change specifications and prices at any time and without notice. This product is intended for use in normal commercial applications. Applications requiring an extended temperature range, unusual environmental requirements, or high reliability applications, such as military and aerospace, are specifically not recommended without additional processing by Impala Linear Corporation. Impala Linear Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in an Impala Linear Corporation product. No other circuits, patents, licenses are implied.
Life Support Policy Impala Linear Corporation's products are not authorized for use as critical components in life support devices or systems. 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labelling, can be reasonably expected to result in a significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonbly expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
Impala Linear Corporation
ILC5062 1.3
(408) 574-3939
www.impalalinear.com
June 1999
6

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