ISL9305 datasheet(2/17 Pages) INTERSIL

tên linh kiện	ISL9305

Giải thích chi tiết về linh kiện	3MHz Dual Step-Down Converters and Dual Low-Input LDOs

PDF	17 Pages

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nhà sản xuất	INTERSIL [Intersil Corporation]

Trang chủ	http://www.intersil.com/cda/home

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ISL9305

FN7605.0

November 8, 2010

Block Diagram

TABLE 1. TYPICAL APPLICATION PART LIST

PARTS

DESCRIPTION

MANUFACTURER

PART NUMBER

SPECIFICATIONS

SIZE

L1, L2

Inductor

Sumida

CDRH2D14NP-1R5

1.5µH/1.80A/50m

3.0mmx3.0mmx1.55mm

Input capacitor

Murata

GRM21BR60J106KE19L

10µF/6.3V

0805

C2, C3

Input capacitor

Murata

GRM185R60J105KE26D

1µF/6.3V

0603

C4, C5

Output capacitor

Murata

GRM219R60J475KE01D

4.7µF/6.3V

0805

C6, C7

Output capacitor

Murata

GRM185R60J105KE26D

1µF/6.3V

0603

R1, R2,

R3, R4

Resistor

Various

1%, SMD, 0.1

0603

NOTE:

1. C4 and C5 are 10µF/6.3V for VODCD less than 1V.

LDO1

300mA

I2C

INTERFACE

DCD2

BUCK CONVERTER

UVLO

VREF

OSC

VINDCD1

FB1

SW1

GNDDCD1

VINDCD2

FB2

SW2

GNDDCD2

VINLDO1

VOLDO1

VINLDO2

VOLDO2

SDAT

SCLK

DCDPG

GNDLDO

10µF

1µF

10µF

4.7µF

10µF

1µF

1.5µH

DCD1

BUCK CONVERTER

OVERCURRENT

PROTECTION

ANALOG/LOGIC

CIRCUIT INPUT

THERMAL

SHUTDOWN

PGOOD WITH

1~200MS

DELAY TIME

LDO2

300mA

SHORT

CIRCUIT

PROTECTION

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