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APW7000QAI-TRG Datasheet(PDF) 3 Page - Anpec Electronics Coropration |
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APW7000QAI-TRG Datasheet(HTML) 3 Page - Anpec Electronics Coropration |
3 / 18 page Copyright © ANPEC Electronics Corp. Rev. A.2 - Feb., 2009 APW7000 www.anpec.com.tw 3 Recommended Operating Conditions Symbol Parameter Rating Unit VIN Input Voltage 2.8 to 4.5 V VOUT Output Voltage 3 to 4 V ILED LED Current 5 to 30 mA Output Current, VIN>3.5V, VF=3.1V, 1x mode 180 Output Current, 3.5V<VIN>3.1V, VF=3.1V, 1.5x mode 120 IOUT Output Current, 3.1V<VIN>2.8V, VF=3.1V, 2x mode 90 mA TA Ambient Temperature -40 to 85 °C Electrical Characteristics APW7000 Symbol Parameter Test Conditions Min. Typ. Max. Unit VIN Input Voltage 2.7 - 5.5 V VUVLO Under-voltage Lockout Threshold VIN falling 2.2 2.4 2.6 V Under-voltage Lockout Hysteresis - 50 - mV In 1.5x/2x mode - 2 4 mA No switching in 1x mode - 0.5 1 mA IQ Quiescent Current EN=0 - 0.1 2 µA ILED-ERR LED Current Accuracy 5mA<ILED<30mA (Note 3) - ±2 ±8 % Current Matching 5mA<ILED<30mA (Note 4) - ±1.5 ±5 % IISET ISET Current 5 - 1000 µA ISET to LED Current Ratio IILED / (1.2V / REST) 5mA<ILED<30mA, TA = +25 °C 370 400 420 VILED-TH ILED Threshold Voltage VILED falling - 100 - mV 1.5x mode to 1x mode Transition Hysteresis VIN rising, VIN-VOUT - 300 - mV 2x mode to 1.5x mode Transition Hysteresis VIN rising, VOUT-VIN - 300 - mV FOSC Switching Frequency 0.8 1 1.2 MHz 1x mode (VIN-VOUT) / IOUT - 1.6 3 1.5x mode (1.5xVIN-VOUT) / IOUT - 7 12 ROUT Open Loop VOUT Resistance 2x mode (2xVIN-VOUT) / IOUT - 16 28 Ω ISHORT Short Circuit Current Limit VOUT < 1V - 40 - mA VOVP OVP Threshold 5 5.5 6 VIH Logic Pins High Threshold 1.3 0.7 - V VIL Logic Pins Low Threshold - 0.6 0.3 V IIH Logic Pins High Current VIH = VIN - - 1 µA IIL Logic Pins Low Current VIL = GND - - 1 µA Thermal Shutdown - 150 - °C Thermal Shutdown Hysteresis - 20 - °C V IN = 2.85 to 5.5V, CIN = COUT = C1 = C2 = 1µF (ESR = 0.03Ω), ILED = 20mA, TA = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C. Note 3: LED current accuracy is defined as: ± (I LED-MEASURED - ILED-SET) / ILED-SET Note 4: LED current matching is defined as: ± (I LED-MAX - ILED-MIN) / (ILED-MAX + ILED-MIN) |
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