ISL9305 View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

ISL9305

3MHz Dual Step-Down Converters and Dual Low-Input LDOs with I2C Compatible Interface

Renesas Electronics 

ISL9305

TABLE 1. TYPICAL APPLICATION PART LIST

PARTS DESCRIPTION

MANUFACTURER

PART NUMBER

SPECIFICATIONS

L1, L2 Inductor

Sumida

CDRH2D14NP-1R5

1.5µH/1.80A/50mΩ

C1 Input capacitor

Murata

GRM21BR60J106KE19L 10µF/6.3V

C2, C3 Input capacitor

Murata

GRM185R60J105KE26D 1µF/6.3V

C4, C5 Output capacitor Murata

GRM219R60J475KE01D 4.7µF/6.3V

C6, C7 Output capacitor Murata

GRM185R60J105KE26D 1µF/6.3V

R1, R2, Resistor

R3, R4

Various

1%, SMD, 0.1Ω

NOTE:

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

SIZE

3.0mmx3.0mmx1.55mm

0805

0603

0805

0603

0603

Block Diagram

DCDPG

PGOOD WITH

1~200MS

DELAY TIME

UVLO

VREF

OSC

SDAT

SCLK

I2C

INTERFACE

SHORT

CIRCUIT

PROTECTION

ANALOG/LOGIC

CIRCUIT INPUT

DCD1

BUCK CONVERTER

OVERCURRENT

PROTECTION

DCD2

BUCK CONVERTER

THERMAL

SHUTDOWN

LDO1

300mA

LDO2

300mA

VINDCD1

SW1

1.5µH

FB1

GNDDCD1

VINDCD2

SW2 1.5µH

FB2

GNDDCD2

VINLDO1

VOLDO1

VINLDO2

VOLDO2

GNDLDO

10µF

4.7µF

10µF

4.7µF

1µF

1µF

1µF

1µF

FN7605 Rev 2.00

February 9, 2015

Page 2 of 17

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