1174 データシートの表示（PDF） - Linear Technology

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1174

High Efficiency Step-Down and Inverting DC/DC Converter

Linear Technology 

LTC1174

LTC1174-3.3/LTC1174-5

TYPICAL APPLICATIO S

6V to 5V Step-Down Regulator with Low-Battery Detection

* LOW-BATTERY INDICATOR

IS SET TO TRIP AT VIN = 5.5V

** AVX TPSD476K016

D1 = MBRS140T3 (SURFACE MOUNT)

1N5818

† L1 SELECTION

MANUFACTURER PART NO. TYPE

COILTRONICS

SUMIDA

GOWANDA

CTX100-4 SURFACE MOUNT

CD75-101 SURFACE MOUNT

GA10-103K THROUGH HOLE

INPUT VOLTAGE

6V

4.7k

*LOW-

BATTERY

INDICATOR

162k

47.5k

7 IPGM

6

VIN

8

SHUTDOWN

2

LBOUT

1

VOUT

3

LTC1174-5

5

LBIN

SW

GND

4

+

0.1µF

47µF**

16V

×2

L1†

+

D1 100µH

1174 TA03

VOUT

5V

47µF** 365mA

16V

×2

High Efficiency 3.3V Regulator

INPUT VOLTAGE

4V TO 12.5V

7 IPGM

6

VIN

8

SHUTDOWN

3

LBIN

1

VOUT

2

LTC1174-3.3

LBOUT

SW

5

* AVX TPSD226K025

GND

** AVX TPSD476K016

4

† COILTRONICS CTX50-4

+ 22µF*

25V

×3

0.1µF

50µH†

1N5818

+

1174 TA04

VOUT

3.3V

47µF** 425mA

16V

×2

1174fe

13

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