ACT4524 datasheet(13/16 Pages) ACTIVE-SEMI

部件名	ACT4524

功能描述	40V/3.5A Buck Converter with Dual Output and Separated Over Current Protection

PDF	16 Pages

Scroll/Zoom	100%

制造商	ACTIVE-SEMI [Active-Semi, Inc]

网页	http://www.active-semi.com

标志

13 / 16 page

ACT4524

Rev 0, 28-Jul-15

Innovative Power

- 13 -

www.active-semi.com

2700

2670

2640

2610

2580

2550

2730

Temperature (°C)

-20

100

130

160

Output1 Current vs. Temperature

VOUT = 5.1V

VIN = 12V

IOUT= 2.65A

TYPICAL PERFORMANCE CHARACTERISTICS

(Schematic as show in Figure 1, Ta = 25°C, unless otherwise specified)

1290

1260

1230

1200

1170

1140

1320

Temperature (°C)

-20

100

130

160

Output2 Current vs. Temperature

VOUT = 5.1V

VIN = 12V

IOUT = 1.2A

Start up into CC Mode

VOUT = 5.1V

RLORD = 1.5Ω

IOUT1 = 2.65A

VIN = 12V

CH1: VOUT, 2V/div

CH2: IOUT, 1A/div

TIME: 400µs/div

CH1

CH2

Start up into CC Mode

VOUT = 5.1V

RLORD = 2.5Ω

IOUT2 = 1.2A

VIN = 12V

CH1: VOUT, 2V/div

CH2: IOUT, 1A/div

TIME: 400µs/div

CH1

CH2

CH1

CH2

CH3

Input Surge Test

CH1: VIN, 20V/div

CH2: VOUT, 2V/div

CH3: IOUT, 2A/div

TIME: 100ms/div

CH1

CH2

CH3

CH4

Start up with CC load

VIN = 12V

IOUT = 3.6A

CH1: VIN, 5V/div

CH2: VOUT, 2V/div

CH3: IL, 5A/div

CH4: SW, 10V/div

TIME: 1ms//div

VIN = 12V

Vout=5.1V

IOUT = 3.4A

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