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| Impala Linear Corporation ILC5061 SOT-23 Power Supply reset Monitor General Description All-CMOS Monitor circuits in a 3-lead SOT-23 package offer the best performance in power consumption and accuracy. The ILC5061 comes in a series of 1% accurate trip voltages to fit most microprocessor applications. Even though its output can sink 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 and SOT-89 package 1% precision in Reset Detection Only 1A of Iq 2mA of sink current capability Built-in hysteresis of 5% of detection voltage Voltage options of 2.6, 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 V IN V OUT VR E F V SS N-Channel Open Drain Output Pin Package Configurations VI N 2 Ordering Information* ILC5061AM-26 2.6V+1% Monitor in SOT-23 ILC5061AM-27 2.7V+1% Monitor in SOT-23 ILC5061AM-28 2.8V+1% Monitor in SOT-23 ILC5061AM-29 2.9V+1% Monitor in SOT-23 ILC5061AM-31 3.1V+1% Monitor in SOT-23 ILC5061AM-44 4.4V+1% Monitor in SOT-23 ILC5061AM-46 4.6V+1% Monitor in SOT-23 ILC5061M-26 2.6V+2% Monitor in SOT-23 ILC5061M-27 2.7V+2% Monitor in SOT-23 ILC5061M-28 2.8V+2% Monitor in SOT-23 ILC5061M-29 2.9V+2% Monitor in SOT-23 ILC5061M-31 3.1V+2% Monitor in SOT-23 ILC5061M-44 4.4V+2% Monitor in SOT-23 ILC5061M-46 4.6V+2% Monitor in SOT-23 * Standard product offering comes in tape and reel, quantity 3000 per reel orientation right SOT -23 (TOP VI EW) 1 3 V OUT VS S Impala Linear Corporation ILC5061 1.7 (408) 574-3939 www.impalalinear.com June 1999 1 SOT-23 Power Supply reset Monitor Absolute Maximum Ratings (TA=25C) Parameter Input Voltages Output Current Output Voltages Continuous Total SOT-23 Power Dissipation Operation Ambient temperature Storage Temperature Symbol VIN IOUT VOUT Pd Topr Tstg Ratings 12 50 VSS-0.3~+VIN+03 150 -30~+80 -40~+125 Units V mA V mW o o C C Electrical Characteristics (TA=25C) Parameter Detect Fail Voltage Detect Fail Voltage Hysteresis Range 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 30oC VDF X 0.99 VDF X 0.99 VDF X 0.02 Type 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 Supply Current ISS Operating Voltage VIN 1.5 2.2 7.7 10.1 11.5 13.0 -10 +100 V Output Current IOUT mA Temperature Characteristics Delay Time Release Voltage Output Inversion) Note: #VDF/(#Topr!VDF) TDLY (VDR VOUT inversion) Ppm/ oC 0.2 ms 1. An additional resistor between the VIN pin and supply voltage may cause deterioration of the characteristics due to increasing VDR. Impala Linear Corporation ILC5061 1.7 (408) 574-3939 www.impalalinear.com June 1999 2 SOT-23 Power Supply reset Monitor 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 VOUT output pin is at high impedance state. 2. When the input VIN voltage falls lower than VDF, VOUT drops near to ground voltage 3. If the input voltage further decreases below the minimum operating voltage (VMIN), the VOUT output becomes unstable. In this condition, if the VOUT pin is pulled up, VOUT indicates the VIN voltage. 4. During an increase of the input voltage from the VSS voltage, VOUT is not stable in the voltage below the VMIN. Exceeding that level, the output 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, then the VOUT output pin is at high impedance state. 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 ILC5061 1.7 (408) 574-3939 www.impalalinear.com June 1999 3 SOT-23 Power Supply reset Monitor Typical Performance Characteristics - general conditions for all curves OUTPUT VOLTAGE vs OUTPUT CURRENT 80 OUTPUT VOLTAGE vs OUTPUT CURRENT ILC5061 1000 ILC5061 VI N =4.0V OUTPUT CUR RENT IO UT (mA) OUTPUT CUR RENT IO UT (A) 70 60 50 800 VI N =0.8V 3.5V 3.0V 600 40 2.5V 30 20 10 0 0 1 2 3 4 1.5V 2.0V 400 VI N =0.7V 200 0.0 0. 0 0. 2 0. 4 0.6 0. 8 1. 0 OUTPUT V OLTA GE VO UT (V) OU TPU T VOLTAGE VO UT (V) ID D vs INPUT VOLTAGE * 4. 0 OUTPUT CURRENT vs INPUT VOLTAGE 25 ILC5061 OU TPU T C URREN T I OU T (mA) ILC5061 V DS =0.5V VDS = 0.5V To p r =30C 20 3. 0 To p r =80C IDD (A) 15 80C 10 25C 5 2. 0 25C 1. 0 -30C 0 0 1 2 3 4 5 6 7 8 9 10 0 0 1 2 3 4 5 INPUT VOLTAGE V I N (V ) INPUT VOLTAGE V I N (V ) * A spike of 1/2 to 1 A may appear as Vin crosses VDR or VDF Impala Linear Corporation ILC5061 1.7 (408) 574-3939 www.impalalinear.com June 1999 4 |
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