ACT4533 datasheet(12/16 Pages) ACTIVE-SEMI

部品番号	ACT4533

部品情報	Wide-Input Sensorless CC/CV Step-Down DC/DC Converter

PDF	16 Pages

Scroll/Zoom	100%

メーカー	ACTIVE-SEMI [Active-Semi, Inc]

ホームページ	http://www.active-semi.com

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12 / 16 page

ACT4533

Rev 1, 25-Feb-13

Innovative Power

- 12 -

www.active-semi.com

TYPICAL PERFORMANCE CHARACTERISTICS CONT’D

Start up into CC mode

SW vs. Output Voltage Ripples

Start up into CC mode

VOUT = 5V

RLORD = 1.5Ω

IISET = 2A

VIN = 12V

CH1: VOUT, 2V/div

CH2: IOUT, 1A/div

TIME: 1ms/div

CH1: VOUT, 2V/div

CH2: IOUT, 1A/div

TIME: 1ms/div

VIN = 12V

VOUT = 5V

IOUT = 2.1A

CH1

CH2

CH1: SW, 5V/div

CH2: VOUT Ripple, 50mV/div

TIME: 4µs/div

VOUT = 5V

RLORD = 1.5Ω

IISET = 2A

VIN = 24V

CH1

CH2

CH1

CH2

Shutdown Current vs. Input Voltage

140

120

100

Input Voltage (V)

Standby Current vs. Input Voltage

2.5

1.5

0.5

3.5

Input Voltage (V)

Reverse Leakage Current (VIN Floating)

160

120

VOUT (V)

(L = 47µH, CIN = 10µF, COUT = 47µF, Ta = 25°C, RCOMP = 2.2k, CCOMP1 = 4.7nF, CCOMP2 = 47pF)

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