LM2576HV-15 데이터 시트보기 (PDF) - Unspecified

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LM2576HV-15

Simple high-efficiency step-down (buck) regulator

Unspecified 



LM2575HV/LM2576HV/HM2676HV

BLOCK DIAGRAM

UNREGULATED

DC INPUT

CIN

VIN

1

+

4

FEED-

BACK

INTERNAL

REGULATOR

FIXED GAIN

R2

ERROR AMP

+

R1

-

1.0k

COMPARATOR

+

-

ON/OFF

DRIVER SS3WWAIITTMCCPHH

1.23V

BAND-GAP

52kHZ

REFERENCE OSCILLATOR

RESET

THERMAL CURRENT

SHUTDOWN LIMIT

ON/OFF

5

OUTPUT

2

3

L1

VOUT

+

D1

L

COUT

O

A

D

GND

3.3V, R2 =1.7K

5V, R2 = 3.1K

12V, R2 = 8.84K

15V, R2 =11.3K

For ADJ Version

R1 = Open, R2 =0

ORDERING INFORMATION

Temperature

Range

3.3

-40C  TA 125C

LM2575HV-3.3

LM2576HV-3.3

HM2676HV-3.3

Output Voltage

5.0

LM2575HV-5.0

LM2576HV-5.0

HM2676HV-5.0

12

LM2575HV-12

LM2576HV-12

HM2676HV-12

15

LM2575HV-15

LM2576HV-15

HM2676HV-15

ADJ

LM2575HV-ADJ

LM2576HV-ADJ

HM2676HV-ADJ

2

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