LT1949-1EMS8 Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LT1949-1EMS8

1.1MHz, 1A Switch PWM DC/DC Converter

Linear Technology 

TYPICAL APPLICATIO

4 Cell to 5V SEPIC Converter

VIN

4V TO 9V

L1

10µH

C2

4.7µF

16V

1M VIN

SW

C1

4.7µF

16V

LT1949-1

SHDN

FB

VC

GND

1M

40.2k

330pF

C1, C2: TAIYO YUDEN EMK316BJ475ML

C3: TAIYO YUDEN JMK316BJ106ML

D1: MOTOROLA MBRM120LT3

L1, L2: SUMIDA CR32-100KC

D1

L2

10µH

100k

1%

33.2k

1%

VOUT

5V

250mA

C3

10µF

6.3V

1949-1 TA02

LT1949-1

PACKAGE DESCRIPTIO Dimensions in inches (millimeters) unless otherwise noted.

MS8 Package

8-Lead Plastic MSOP

(LTC DWG # 05-08-1660)

0.118 ± 0.004*

(3.00 ± 0.102)

8 76 5

0.193 ± 0.006

(4.90 ± 0.15)

0.118 ± 0.004**

(3.00 ± 0.102)

1 234

0.007

(0.18)

0° – 6° TYP

0.040 ± 0.006

(1.02 ± 0.15)

0.021 ± 0.006

(0.53 ± 0.015)

SEATING

PLANE

0.012

(0.30)

REF

0.0256

(0.65)

BSC

0.034 ± 0.004

(0.86 ± 0.102)

0.006 ± 0.004

(0.15 ± 0.102)

MSOP (MS8) 1098

* DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH,

PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE

** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.

INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE

7

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