www.fairchildsemi.com ILC5061 Power Supply reset Monitor with 1% Precision Features Description * * * * * * All-CMOS design in SOT-23 or SC70 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 * Open-Drain Reset Output All-CMOS Monitor circuits in either a 3-lead SOT-23 or SC70 package offer the best performance in power consumption and accuracy. Applications Additionally, a built-in hysteresis of 5% of detect voltage simplifies system design. * * * * 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. Microprocessor reset circuits Memory battery back-up circuitry Power-on reset circuits Portable and battery powered electronics Block Diagram Pin Package Configurations VIN Top View VOUT VOUT 1 VOUT SC-70 3 1 SOT-23 VIN 3 VIN VREF VSS 2 VSS 2 VSS Rev. 2.5 1/2/03 ILC5061 PRODUCT SPECIFICATION Absolute Maximum Ratings Parameter Symbol Ratings Units Input Voltages VIN 12 V Output Current IOUT 50 mA Output Voltages VOUT VSS-0.3~+VIN+03 V Pd 150 mW Topr -30~+80 Continuous Total Power Dissipation SOT 23 Operation Ambient temperature Storage Temperature Tstg -40~+125 o C oC Electrical Characteristics TA = 25C Parameter Symbol Conditions Min Type Max Units VDF VDF X 1.01 V VDF X 0.05 VDF X 0.08 V Detect Fail Voltage VDF VDF X 0.99 Hysteresis Range VHYS VDF X 0.02 VIN = 1.5V 0.9 1.0 1.3 1.6 2.0 VIN = 2.0V Supply Current ISS VIN = 3.0V VIN = 4.0V VIN = 5.0V Operating Voltage VIN VDF = 2.1~ 6.0V 1.5 2.6 3.0 3.4 3.8 4.2 A 10.0 V N-ch VDS = 0.5V 2.2 7.7 10.1 11.5 13.0 VIN = 1.0V Output Current IOUT VIN = 2.0V VIN = 3.0V VIN = 4.0V mA VIN = 5.0V Temperature Characteristics Delay Time Release Voltage Output Inversion) DVDF/(DTopr * VDF) -30oC