LTC1265 Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LTC1265

1.2A, High Efficiency Step-Down DC/DC Converter

Linear Technology 

TYPICAL APPLICATIONS

LTC1265/LTC1265-3.3/LTC1265-5

High Efficiency 5V to 3.3V Converter

VIN

5V

270pF

3900pF

1k

*AVX TPSD107K010

**AVX TPSE227K010

†COILCRAFT D03316-473

††DALE WSL2010-0.1-1%

2

1, 13

VIN

4

LBIN

PWR VIN

14

SW

LTC1265-3.3

3

12

LBOUT

PGND

5

CT

11

SGND

+

0.1µF

10

SHDN SHDN

6

ITHR

9

NC

7 SENSE – SENSE+ 8

1000pF

CIN*

100µF

10V

L1†

47µH

MBRS130LT1

RSENSE††

0.1Ω

VOUT

3.3V

+ COUT** 1A

220µF

10V

LTC1265 TA02

Positive-to-Negative (–5V) Converter

*AVX TPSD226K025

**AVX TPSD107K010

†L1 SELECTION

MANUFACTURER PART NO.

COILCRAFT

COILTRONICS

DALE

SUMIDA

DO3316-473

CTX50-4

LPT4545-500LA

CD74-470

††IRC LRC2010-01-R100-J

D1= MBRS130LT3

VIN (V)

3.5

4.0

5.0

6.0

7.0

7.5

IOUT(MAX) (mA)

360

430

540

630

720

740

VIN

3.5V TO 7.5V

220pF

2

1, 13

VIN

4

LBIN

PWR VIN TP0610L

14

SW

LTC1265-5

3

12

LBOUT

PGND

5

CT

11

SGND

SHDN

L1†

50µH

D1

+

0.1µF

CIN*

22µF

25V

×2

VOUT

–5V

2200pF

1k

6

ITHR

7 SENSE –

10

SHDN

SENSE+ 8

100k

1000pF

RSENSE††

0.1Ω

COUT**

100µF

10V

LTC1265 TA03

13

Share Link: