LT1610 View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LT1610

1.7MHz, Single Cell Micropower DC/DC Converter

Linear Technology 

TYPICAL APPLICATIONS

LT1610

3.3V TO 8V/70mA, – 8V/5mA, 24V/5mA TFT LCD Bias Supply Uses All Ceramic Capacitors

D2

1µF

0.22µF

0.22µF

0.22µF: TAIYO YUDEN EMK212BJ224MG

1µF: TAIYO YUDEN LMK212BJ105MG

4.7µF: TAIYO YUDEN LMK316BJ475ML

D1: MOTOROLA MBRO520

D2, D3, D4: BAT54S

L1: SUMIDA CDRH5D185R4

L1

5.4µH

VIN

3.3V

6

0.22µF

D1

5

VIN

3

SHDN

SW

8

COMP

C1

4.7µF

1

VC

LT1610

2

FB

100k

GND

PGND

7

4

51pF

D4

274k

48.7k

VOFF

– 8V

5mA

D3

VON

24V

1µF 5mA

1µF

AVDD

8V

70mA

C2

4.7µF

1610 TA18

TFT LCD Bias Supply Transient Response

AVDD

200mV/DIV

VON

500mV/DIV

VOFF

200mV/DIV

AVDD LOAD

70mA

25mA

VON LOAD = 5mA

VOFF LOAD = 5mA

200µs/DIV

1610 TA19

13

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