LTC3405A-1.5 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC3405A-1.5

1.5V, 1.8V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT

Linear Technology 

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LTC3405A-1.5/LTC3405A-1.8

TYPICAL APPLICATIO S

Single Li-Ion to 1.5V/300mA Regulator

for High Efficiency and Small Footprint

VIN

2.7V

TO 4.2V

CIN**

4.7µF

CER

4

VIN

3

SW

LTC3405A-1.5

1

RUN

6

5

MODE VOUT

4.7µH*

VOUT

1.5V

COUT1**

4.7µF

CER

GND

2

3405A1518 TA02a

*MURATA LQH32CN4R7M33

**TAIYO YUDEN CERAMIC JMK212BJ475MG

100

90

60

70

60

50

40

30

0.1

VIN = 2.7V

VIN = 4.2V

VIN = 3.6V

1

10

100

OUTPUT CURRENT (mA)

1000

3405A1518 TA02b

VOUT

100mV/DIV

AC COUPLED

IL

200mA/DIV

IL

200mA/DIV

VIN = 3.6V

20µs/DIV

VOUT = 1.5V

ILOAD = 100mA TO 300mA

3405A1518 TA02c

3405a1518fa

13

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