EL7571C 데이터 시트보기 (PDF) - Elantec -> Intersil

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EL7571C

Programmable PWM Controller

Elantec -> Intersil 

Typical Performance Curves

+5V Supply Sync with Schottky Load

2.5

1.5

VOUT = 3.5V

VOUT = 2.8V

0.5

0

-0.5

VOUT = 1.8V

-1.5

VOUT = 1.3V

-2.5

0

1

3

5

7

9

11

13

IOUT(A)

+5V Supply Non-Sync VRM Efficiency

1.0

0.9

0.8

VOUT = 3.5V

0.7

VOUT = 2.8V

0.6

VOUT = 1.8V

VOUT = 1.3V

0.5

0

1

3

5

7

9

11

13

IOUT(A)

12V Transient Response

EL7571C

Programmable PWM Controller

+5V Supply +12V Controller Sync w/o Schottky

VRM Efficiency

1.0

0.9

0.8

VOUT = 3.5V

0.7

VOUT = 1.8V

0.6

VOUT = 2.8V

VOUT = 1.3V

0.5

0.02 1.02 3.04 5.04 7.04 9.04 11.04 13.04

IOUT(A)

+5V Supply Sync with Schottky VRM Efficiency

1.0

0.9

0.8

VOUT = 3.5V

0.7

VOUT = 2.8V

0.6

VOUT = 1.8V

VOUT = 1.3V

0.5

0

1

3

5

7

9

IOUT(A)

5V Non-sync Transient Response

11

13

1

1

5

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