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ACT8847_17 数据表(PDF) 17 Page - Active-Semi, Inc |
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ACT8847_17 数据表(HTML) 17 Page - Active-Semi, Inc |
17 / 42 page ACT8847 Rev 9, 27-June-17 Innovative PowerTM - 17 - www.active-semi.com Copyright © 2015-2017 Active-Semi, Inc. ActivePMUTM is a trademark of Active-Semi. I2CTM is a trademark of NXP. STEP-DOWN DC/DC ELECTRICAL CHARACTERISTICS (VVP1 = VVP2 = VVP3 = VVP4 = 3.6V, TA = 25°C, unless otherwise specified.) PARAMETER CONDITIONS MIN TYP MAX UNIT Operating Voltage Range 2.7 5.5 V UVLO Threshold Input Voltage Rising 2.5 2.6 2.7 V UVLO Hysteresis Input Voltage Falling 100 mV Standby Supply Current VOUT = 103%, Regulator Enabled 72 100 µA Shutdown Current VVP = 5.5V, Regulator Disabled 0 2 µA VOUT ≥ 1.0V, IOUT = 10mA -1% VNOM 1% V Output Voltage Accuracy VOUT < 1.0V, IOUT = 10mA -10 10 mV Line Regulation VVP = Max (VNOM +1V, 3.2V) to 5.5V 0.15 %/V Load Regulation REG1/4 IOUT = 10mA to IMAX 1.70 %/A Load Regulation REG2/3 IOUT = 10mA to IMAX 1.00 %/A Power Good Threshold VOUT Rising 93 %VNOM Power Good Hysteresis VOUT Falling 2 %VNOM Switching Frequency VOUT ≥ 20% of VNOM 2 2.25 2.5 MHz VOUT = 0V 550 kHz Soft-Start Period 400 µs Minimum On-Time 75 ns REG1 AND REG4 Maximum Output Current 1.5 A Current Limit 1.8 2.2 2.7 A PMOS On-Resistance ISW = -100mA 0.11 Ω NMOS On-Resistance ISW = 100mA 0.08 Ω SW Leakage Current VVP = 5.5V, VSW = 0 or 5.5V 0 2 µA Input Capacitor 4.7 µF Output Capacitor 33 µF Power Inductor 1.0 2.2 3.3 µH REG2 AND REG3 Maximum Output Current 2.8 A Current Limit 3.5 4.2 A PMOS On-Resistance ISW = -100mA 0.07 Ω NMOS On-Resistance ISW = 100mA 0.08 Ω SW Leakage Current VVP = 5.5V, VSW = 0 or 5.5V 0 2 µA Input Capacitor 10 µF Output Capacitor 44 µF Power Inductor 0.5 1 2.2 µH : VNOM refers to the nominal output voltage level for VOUT as defined by the Ordering Information section. : IMAX Maximum Output Current. |
类似零件编号 - ACT8847_17_06 |
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类似说明 - ACT8847_17_06 |
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