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ACT4515 Datenblatt(PDF) 14 Page - Active-Semi, Inc

Teilenummer ACT4515
Bauteilbeschribung  Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
PDF  17 Pages
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Hersteller  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT4515 Datenblatt(HTML) 14 Page - Active-Semi, Inc

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ACT4515
Rev 6, 14-Nov-12
Innovative Power
TM
- 14 -
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
SW vs. Output Voltage Ripples
TYPICAL PERFORMANCE CHARACTERISTICS CONT’D
(Circuit of Figure 7, IISET = 0.9A, L = 82µH, CIN = 10µF, COUT = 22µF, TA = 25°C, unless otherwise specified.)
Start up with EN
Load Step Waveforms
Short Circuit
VIN = 24V
V0UT = 5V
I0UT = 0.9A
CH1
CH2
CH1: SW, 10V/div
CH2: VRIPPLE, 50mV/div
TIME: 2µs/div
VIN = 12V
V0UT = 5V
I0UT = 0.9A
CH1
CH2
CH1: EN, 1V/div
CH2: VOUT, 1V/div
TIME: 10ms/div
Start up with EN
CH1
CH2
CH1: EN, 1V/div
CH2: VOUT, 1V/div
TIME: 10ms/div
VIN = 12V
V0UT = 5V
IISET = 0.9A
CH1
CH2
CH1: IOUT, 500mA/div
CH2: VOUT, 500mV/div
TIME: 100μs/div
Load Step Waveforms
VIN = 24V
V0UT = 5V
IISET = 0.9A
CH1
CH2
CH1: IOUT, 500mA/div
CH2: VOUT, 500mV/div
TIME: 100μs/div
VIN = 12V
V0UT = 5V
IISET = 0.9A
CH1
CH2
CH1: VOUT, 2V/div
CH2: IOUT, 1A/div
CH3: SW
TIME: 20µs/div
VIN = 24V
V0UT = 5V
IISET = 0.9A
CH3



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