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ACT8870QJ-T Folha de dados(PDF) 14 Page - Active-Semi, Inc |
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ACT8870QJ-T Folha de dados(HTML) 14 Page - Active-Semi, Inc |
14 / 43 page ACT8870QJ-T Rev 3.0, 02-Oct-2017 Innovative PowerTM www.active-semi.com ActiveSwitcherTM is a trademark of Active-Semi. Copyright © 2016-2017 Active-Semi, Inc. I2CTM is a trademark of NXP 14 INTERNAL STEP-DOWN DC/DC ELECTRICAL CHARACTERISTICS REGULATOR: (BUCK2-4) (VIN_Bx = 5V, TA = 25°C, unless otherwise specified.) PARAMETER CONDITIONS MIN TYP MAX UNIT Input Operating Voltage Range 2.8 5.5 V Output Voltage Range Configurable in 12.5mV steps 0.8 4 V Maximum Output Current 2 A Standby Supply Current, Low Power Mode Enabled VOUT_Bx = 103%, Regulator Enabled, No load 35 µA Shutdown Current VIN_Bx = 5.5V, Regulator Disabled 0.1 1 µA B2 Voltage Accuracy – Default Voltage – PWM Mode CMI101 VOUT_B2 =1.5V, IOUT = 1A -1% VNOM 1% V B3 Voltage Accuracy – Default Voltage – PWM Mode CMI101 VOUT_B3 =1.25V, IOUT = 1A -1% VNOM 1% V B4 Voltage Accuracy – Default Voltage – PWM Mode CMI101 VOUT_B4 =3.3V, IOUT = 1A -1% VNOM 1% V B2 Voltage Accuracy – Default Voltage – PFM Mode CMI101 VOUT_B2 =1.5V, IOUT = 1A -1% VNOM 1% V B3 Voltage Accuracy – Default Voltage – PFM Mode CMI101 VOUT_B3 =1.25V, IOUT = 1A -1% VNOM 1% V B4 Voltage Accuracy – Default Voltage – PFM Mode CMI101 VOUT_B4 =3.3V, IOUT = 1A -1% VNOM 1% V Line Regulation VOUT_Bx =1.8V VIN_Bx = 2.8V to 5.5V PWM Regulation 0.02 %/V Load Regulation VOUT_Bx = 1.8V PWM Regulation 0.04 %/A Power Good Threshold VOUT_B2 Rising 92 93 94 %VNOM VOUT_B3 Rising 94 95 96 VOUT_B4 Rising 94 95 96 Power Good Hysteresis VOUT_Bx Falling 3 %VNOM Overvoltage Fault Threshold VOUT_Bx Rising 107.5 110 112.5 %VNOM Overvoltage Fault Hysteresis VOUT_Bx Falling 3 %VNOM Switching Frequency VOUT_Bx ≥ 20% of VNOM 2.15 2.25 2.36 MHz Programmable Soft-Start Time, TSET Configurable 10% to 90% VNOM 300 1000 µs Soft-Start Time Tolerance Tolerance from TSET -25 +25 % High Side FET Current Limit (Cycle-by- Cycle) ILIMSET Bx_ILIMSET=11 Bx_ILIMSET=10 Bx_ILIMSET=01 Bx_ILIMSET=00 2.0 2.5 3.0 3.5 A High Side FET Current Limit (Cycle-by- Cycle) Tolerance At default ILIMSET -10 ILIMSET +10 % At other setpoints -15 ILIMSET +15 % High Side FET Peak Current Limit, IRQ Below ILIMSET = 00, 01, 10 -27.5 -22.5 -17.5 % |
Nº de peça semelhante - ACT8870QJ-T |
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Descrição semelhante - ACT8870QJ-T |
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