Datasheet > 1206YC105M

1206YC105M

更新时间： 2024-11-20 12:54:23

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
12页	96K
描述
500mA Low Voltage Step-Down Synchronous

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中文翻译

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数据手册

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1206YC105M 数据手册

LTC1504A

500m A Lo w Vo lta g e

Ste p -Do wn Sync hro no us

Switc hing Re g ula to r

DESCRIPTION

FEATURES

The LTC^®1504A is a self-contained, high efficiency syn-

chronous buck switching regulator. It includes a pair of

on-chip 1.3Ω power switches, enabling it to supply up to

500mA of load current. Efficiency peaks at 92%, minimiz-

ing heat and wasted power. The synchronous buck archi-

tecture allows the output to source or sink current as

required to keep the output voltage in regulation. 100%

duty cycle operation minimizes dropout voltage.

■

500mA Output Current at 3.3V Output

Up to 92% Peak Efficiency

100% Maximum Duty Cycle

Internal Reference Trimmed to 1%

Output Can Source or Sink Current

Requires as Few as Four External Components

Input Voltage Range: 4V to 10V

Adjustable Current Limit

■

Small SO-8 Package

200kHz Switching Frequency Can Typically be

The LTC1504A is available in adjustable and fixed 3.3V

output versions. An adjustable current limit circuit pro-

vides protection from overloads. The internal 1% refer-

encecombinedwithasophisticatedvoltagefeedbackloop

provides optimum output voltage accuracy and fast load

transient response. The LTC1504A is specified to operate

with input voltages between 4V and 10V. Contact the LTC

factory for guaranteed specifications at 2.7V supply.

■

Synchronized Up to 500kHz

APPLICATIONS

Daisy-Chained Control Outputs

■

Small Portable Digital Systems

Active Termination

Auxiliary Output Voltage Supplies

Minimum Part Count/Size Switchers

■

The LTC1504A is a pin-compatible, functional upgrade to

the LTC1504.

■

The LTC1504A is available in a plastic SO-8 package.

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

TYPICAL APPLICATION

Minimum Part Count 5V to 3.3V Regulator

5V to 3.3V Efficiency

100

NC SHUTDOWN

50µH

EXT

SHDN

MAX

3.3V AT 500mA

22µF

LTC1504A-3.3

GND

SENSE

COMP

OUT

47µF

1000pF

: AVX TPSC226M016R0375

: AVX TAJC476M010

: COILTRONICS CTX50-1P

OUT

1504A • TA01

EXT

100

500

LOAD CURRENT (mA)

1504 • TA02

12 3 4 5 6 7...12

中文翻译

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