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ILC5062
SOT-23 Power Supply reset Monitor with 1% precision
Features
All-CMOS design in SOT-23 or SC70 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 * Active low push-pull output * * * * * * *
Description
All-CMOS voltage monitoring circuit in either a 3-lead SOT-23 or SC70 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.
Applications
* * * * Microprocessor reset circuits Memory battery back-up circuitry Power-on reset circuits Portable and battery powered electronics
Block Diagram
VIN
Pin-Package Configurations
Top View
VOUT
VOUT
1
VOUT
1
VREF
SC-70
VSS
2
VIN VSS 3
SOT-23
2
VIN
VSS
3
Complementary CMOS Output
Rev. 1.5
(c)2001 Fairchild Semiconductor Corporation
ILC5062
Absolute Maximum Ratings
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 Supply Current Symbol VDF VDF VHYS Conditions A grade Standard grade VIN = 1.5V VIN = 2.0V VIN = 3.0V VIN = 4.0V VIN = 5.0V 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 Temperature Characteristics VDF/(Topr*VDF) -30C < Topr < 80C Delay Time (Release tDLY Voltage Output Inversion) (VDR -VOUT Inversion) 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
ISS
A
Operating Voltage Output Current
VIN
1.5 2.2 7.7 10.1 11.5 13.0 -10
V
IOUT
mA
100 0.2
ppm/C ms
Note: An additional resistor between the VIN pin and supply voltage may cause deterioration of the characteristics due to increasing of VDR.
(c)2001 Fairchild Semiconductor Corporation
2
ILC5062
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.
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
(c)2001 Fairchild Semiconductor Corporation
3
ILC5062
Typical Performance Characteristics - General conditions for all curves
Supply Current vs Input Voltage
4 SUPPLY CURRENT ISS (A) ILC5062M-27 TA = 80C 3 25C 2 -30C 1
Supply Current vs Input Voltage
4 SUPPLY CURRENT ISS (A) ILC5062M-44
3
TA = 80C
25C 2 -30C 1
0 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE VIN (V)
0 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE VIN (V)
N-ch Driver Output Current vs VDS
40 OUTPUT CURRENT:IOUTNch (mA) ILC5062M-27
N-ch Driver Output Current vs VDS
80 OUTPUT CURRENT:IOUTNch (mA) 70 60 3.5V 50 3.0V 40 30 20 10 1.5V 0 0 1 2 VDS (V) 3 4 2.0V 2.5V ILC5062M-44 VIN = 4.0V
30 VIN = 2.5V 20 2.0V 10 1.5V
0 0 0.5 1.0 1.5 VDS (V) 2.0 2.5 3.0
VOUT vs VIN
VOUT vs VIN
4 OUTPUT VOLTAGE:VOUT (V) ILC5062M-27
OUTPUT VOLTAGE:VOUT (V) 6
ILC5062M-44 TA = 80C 25C -30C
5
3
TA = 80C 25C -30C
4
3
2
2
1
1 0
0 0 1 2 3 4 INPUT VOLTAGE VIN (V)
0
1
2
3
4
5
6
INPUT VOLTAGE VIN (V)
(c)2001 Fairchild Semiconductor Corporation
4
ILC5062
Typical Performance Characteristics - General conditions for all curves
N-ch Driver Output Current vs Input Voltage
20 OUTPUT CURRENT:IOUTNch (mA) ILC5062M-27 VDS = 0.5V
OUTPUT CURRENT:IOUTNch (mA) 20
N-ch Driver Output Current vs Input Voltage
25 ILC5062M-44 VDS = 0.5V TA = 30C
15
TA = 30C
25C 15 80C 10
25C 10 80C
5
5
0 0 0.5 1.0 1.5 2.0 2.5 3.0 INPUT VOLTAGE VIN (V)
0 0 1 2 3 4 5 INPUT VOLTAGE VIN (V)
P_ch Driver Output Current vs Input Voltage
10 OUTPUT CURRENT:IOUTpch (mA) ILC5062M-27 VDS = 2.1V
OUTPUT CURRENT:IOUTpch (mA)
P_ch Driver Output Current vs Input Voltage
12 10 8 6 4 2 0 0.5V 1.5V ILC5062M-44 VDS= 2.1V
8
1.5V
6 1.0V 4 0.5V 2
1.0V
0 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE VIN (V)
0
1
2
3
4
5
6
7
8
9
10
INPUT VOLTAGE VIN (V)
VDR and VDF vs Temperature
ILC5062M-27 RELEASE VOLTAGE:VDF and RELEASE VOLTAGE:VDR
3.0 2.9 2.8 2.7 2.6 2.5 -40 -20 0 20 40 60 80 AMBIENT TEMPERATURE:TA
VDR (V)
VDF (V)
(c)2001 Fairchild Semiconductor Corporation
5
ILC5062
SOT-23
0.021 0.015
0.055 0.047
0.098 0.083
0.120 0.105 0.040 0.031 0.079 0.071 0.0059 0.0035 0-8
0.004 0.001
0.010 0.005
SC70
.087 (2.2) .071 (1.8)
.053 (1.35) .045 (1.15)
.087 (2.2) .079 (2.0)
.009 (.23) .005 (.13)
.043 (1.1) .032 (.80) .004 (.10) .010 (.25) .004 (.10) .026 (.65) .052 (1.3) .016 (.40) .012 (.30)
.018 (.45) .006 (.15)
(c)2001 Fairchild Semiconductor Corporation
6
ILC5062
Ordering Information* ILC5062AM-23 2.3V1% Monitor in SOT-23 ILC5062AM-25 2.5V1% Monitor in SOT-23 ILC5062AM-26 2.6V1% Monitor in SOT-23 ILC5062AM-27 2.7V1% Monitor in SOT-23 ILC5062AM-28 2.8V1% Monitor in SOT-23 ILC5062AM-29 2.9V1% Monitor in SOT-23 ILC5062AM-31 3.1V1% Monitor in SOT-23 ILC5062AM-37 3.7V1% Monitor in SOT-23 ILC5062AM-44 4.4V1% Monitor in SOT-23 ILC5062AM-46 4.6V1% Monitor in SOT-23 ILC5062M-23 2.3V2% Monitor in SOT-23 ILC5062M-25 2.5V2% Monitor in SOT-23 ILC5062M-26 2.6V2% Monitor in SOT-23 ILC5062M-27 2.7V2% Monitor in SOT-23 ILC5062M-28 2.8V2% Monitor in SOT-23 ILC5062M-29 2.9V2% Monitor in SOT-23 ILC5062M-31 3.1V2% Monitor in SOT-23 ILC5062M-37 3.7V2% Monitor in SOT-23 ILC5062M-44 4.4V2% Monitor in SOT-23 ILC5062M-46 4.6V2% Monitor in SOT-23
Ordering Information* ILC5062AIC-23 2.3V1% Monitor in SC-70 ILC5062AIC-25 2.5V1% Monitor in SC-70 ILC5062AIC-26 2.6V1% Monitor in SC-70 ILC5062AIC-27 2.7V1% Monitor in SC-70 ILC5062AIC-28 2.8V1% Monitor in SC-70 ILC5062AIC-29 2.9V1% Monitor in SC-70 ILC5062AIC-31 3.1V1% Monitor in SC-70 ILC5062AIC-37 3.7V1% Monitor in SC-70 ILC5062AIC-44 4.4V1% Monitor in SC-70 ILC5062AIC-46 4.6V1% Monitor in SC-70 ILC5062AC-23 2.3V2% Monitor in SC-70 ILC5062AC-25 2.5V2% Monitor in SC-70 ILC5062AC-26 2.6V2% Monitor in SC-70 ILC5062AC-27 2.7V2% Monitor in SC-70 ILC5062AC-28 2.8V2% Monitor in SC-70 ILC5062AC-29 2.9V2% Monitor in SC-70 ILC5062AC-31 3.1V2% Monitor in SC-70 ILC5062AC-37 3.7V2% Monitor in SC-70 ILC5062AC-44 4.4V2% Monitor in SC-70 ILC5062AC-46 4.6V2% Monitor in SC-70
*Standard product offering comes in tape & reel, quantity 3000 per reel, orentation right.
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 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 (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.
www.fairchildsemi.com 12/6/01 0.0m 001 Stock#DSxxxxxxxx 2001 Fairchild Semiconductor Corporation
2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

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