LTM4620Y 데이터 시트보기 (PDF) - Linear Technology

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LTM4620Y

Dual 13A or Single 26A DC/DC µModule Regulator

Linear Technology 

TYPICAL PERFORMANCE CHARACTERISTICS

Single Phase Single Output

Start-Up

Single Phase Single Output

Start-Up

LTM4620

VOUT

0.5V/DIV

VOUT

0.5V/DIV

IOUT

1A/DIV

2ms/DIV

12VIN, 1.5VOUT AT NO LOAD

COUT = 2× 470µF, 4V SANYO POSCAP,

1× 100µF, 6.3V CERAMIC

SOFT-START CAPACITOR = 0.01µF

USE RUN PIN TO CONTROL START-UP

4620 G10

Current Limit and Current

Foldback

1.8

VIN = 12V

1.6 VOUT = 1.5V

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

0

5

10

15

20

25

OUTPUT CURRENT (A)

4620 G12

Short-Circuit Protection

VOUT

500mV/DIV

IIN

2A/DIV

50µs/DIV

VIN = 12V

VOUT = 1.5V

IOUT = NO LOAD

4620 G14

IOUT

5A/DIV

2ms/DIV

12VIN, 1.5VOUT AT 10A LOAD

COUT = 2× 470µF, 4V SANYO POSCAP,

1× 100µF, 6.3V X5R CERAMIC

SOFT-START CAPACITOR = 0.01µF

USE RUN PIN TO CONTROL START-UP

4620 G11

Load Regulation vs Current

1.0

VIN = 12V

VOUT = 1.5V

0.8

0.6

0.4

0.2

0

0

5

10

15

OUTPUT CURRENT (A)

4620 G13

Short-Circuit Protection

VOUT

500mV/DIV

IIN

2A/DIV

VIN = 12V

VOUT = 1.5V

IOUT = 13A

50µs/DIV

4620 G15

For more information www.linear.com/LTM4620

4620fb

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