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APW7158 Datasheet(PDF) 4 Page - Anpec Electronics Coropration |
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APW7158 Datasheet(HTML) 4 Page - Anpec Electronics Coropration |
4 / 24 page ![]() Copyright © ANPEC Electronics Corp. Rev. A.2 - Aug., 2009 APW7158 www.anpec.com.tw 4 Operating Conditions: VCC = 5V, VCC12 = 12V, TA = -20 to 70°C. Typical values are at TA =25°C. Unless Otherwise Specified. APW7158 Symbol Parameter Test Conditions Min. Typ. Max. Unit ERROR AMPLIFIER (OUT1 AND OUT2) (CONT.) Maximum COMP High Voltage COMP1/2, RL = 10k Ω to ground; (may trip short-circuit) - VCC - V COMP Source Current COMP1/2, VCOMP=2V - -50 - mA COMP Sink Current COMP1/2, VCOMP=2V - 45 - mA PROTECTION AND MONITOR Short-Circuit Protection Threshold VCOMP1 and VCOMP2 rising - 3.3 - V Short-Circuit Protection Filter Time Based on internal oscillator clock frequency (nominal 300kHz = 3.3 µs clock period) 1 - 2 Clock pulses VREF VREF VREF Output Voltage - 3.3 - V VREF Output Accuracy -0.8 - 0.8 % VREF Source Current - - 2.0 mA REFOUT VREFOUT REFOUT Output Voltage Determined by REFIN voltage 0.6 - 3.3 V REFOUT Offset Voltage -10 - 10 mV REFOUT Source Current - - 20 mA REFOUT Sink Current - - 0.48 mA REFOUT Output Capacitance 0.4 0.1 2.2 µF ENABLE/SOFT-START (SS/EN 1,2) High level input voltage 2 - - V Enable Threshold Voltage Low level input voltage - - 0.4 SS/EN Pin Soft-Start Current - -30 - µA Soft-Start High Voltage End of ramp - 3.5 - V GATE DRIVERS OUT1 GATE Driver Source VUGATE1, VLGATE1=3V, VBOOT=12V - 1.8 - A OUT2 GATE Driver Source VUGATE2, VLGATE2=3V, VBOOT=12V - 1 - A OUT1 GATE Driver Sink VUGATE1, VLGATE1=3V, VCC12=12V - 2.5 - Ω OUT2 GATE Driver Sink VUGATE2, VLGATE2=3V, VCC12=12V - 4 - Ω Electrical Characteristics (Cont.) |
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