Datasheet > LTC1262

LTC1262

更新时间： 2024-11-10 22:39:47

品牌	Logo	应用领域
凌特 - Linear		闪存存储
页数	文件大小	规格书
8页	223K
描述
12V, 30mA Flash Memory Programming Supply

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LTC1262 数据手册

LTC1262

12V, 30mA Flash Memory

Programming Supply

DESCRIPTIO

EATURE

Regulated 12V ±5% Output Voltage

The LTC^®1262 is a regulated 12V, 30mA output DC/DC

converter. It is designed to provide the 12V ±5% output

necessary to program byte-wide flash memories. The

output will provide up to 30mA from input voltages as low

as 4.75V without using any inductors. Only four external

capacitors are required to complete an extremely small

surface mountable circuit.

■

No Inductors

Supply Voltage Range: 4.75V to 5.5V

Guaranteed 30mA Output

Low Power: I_CC= 500µA

I_CCin Shutdown: 0.5µA

8-Pin PDIP or SO-8 Package

O U

The TTL compatible shutdown pin can be directly con-

nected to a microprocessor and reduces the supply cur-

rent to less than 0.5µA. The LTC1262 offers improved

shutdown current performance and requires fewer exter-

nal components than competing solutions.

PPLICATI

■

12V Flash Memory Programming Supplies

Compact 12V Op Amp Supplies

Battery-Powered Systems

The LTC1262 is available in an 8-pin PDIP or SO-8

package.

, LTC and LT are registered trademarks of Linear Technology Corporation.

TYPICAL APPLICATI

In/Out of Shutdown

–

SHDN

GND

FROM MPU

0.22µF

FLASH

SHDN

MEMORY

4.7µF

5V/DIV

LTC1262

VPP

OUT

4.7µF

12V

V_OUT

5V/DIV

LTC1262 • TA01

4.75V TO 5.5V

1ms/DIV

1262 TA01a

12 3 4 5 6 7 8

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