LM2576T-12 查看數據表（PDF） - Tiger Electronic

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产品描述 (功能)

生产厂家

LM2576T-12

SIMPLE SWITCHER 3A Step-Down Voltage Regulator

Tiger Electronic 

LM2576 Series

Block Diagram

UNREGULATED

DC INPUT

CIN

VIN

1

+

4

FEED-

BACK

INTERNAL

REGULATOR

FIXED GAIN

R2

ERROR AMP

+

R1

-

1.0k

COMPARATOR

+

-

ON/OFF

3 AMP

DRIVER SWITCH

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 =0Ω

Ordering information

Temperature

Range

3.3

Output Voltage, V

5.0

12

15

Package Type

ADJ

-25°C ≤ TA

≤ 75°C

LM2576SX-3.3 LM2576SX-5.0 LM2576SX-12 LM2576SX-15 LM2576SX-ADJ

LM2576HVS-3.3 LM2576HVS-5.0 LM2576HVS-12 LM2576HVS-15 LM2576HVS-ADJ

LM2576T-3.3 LM2576T-5.0 LM2576T-12 LM2576T-15 LM2576T-ADJ

TO-263

TO-220

LM2576HVT-3.3 LM2576HVT-5.0 LM2576HVT-12 LM2576HVT-15 LM2576HVT-ADJ

TIGER ELECTRONICS CO.,LTD

2

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