LT3460ESC6#PBF

更新时间： 2024-11-04 13:09:39

品牌	Logo	应用领域
凌特 - Linear		转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
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12页	212K
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数据手册

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LT3460ESC6#PBF 数据手册

LT3460

1.3MHz Step-Up DC/DC

Converter in SC70 and ThinSOT

DESCRIPTIO

FEATURES

The LT^®3460 is a general purpose step-up DC/DC con-

verter. The LT3460 switches at 1.3MHz, allowing the use

of tiny, low cost and low height capacitors and inductors.

The constant frequency results in low, predictable output

noise that is easy to filter.

■

1.3MHz Switching Frequency

■

High Output Voltage: Up to 36V

■

300mA Integrated Switch

■

12V at 70mA from 5V Input

■

5V at 60mA from 3.3V Input

■

Wide Input Range: 2.5V to 16V

The high voltage switch in the LT3460 is rated at 38V,

making the device ideal for boost converters up to 36V.

The LT3460 can generate 12V at up to 70mA from a 5V

supply.

■

Uses Small Surface Mount Components

■

Low Shutdown Current: <1µA

Low Profile (1mm) SC70 and SOT-23 (ThinSOT^TM)

■

Packages

The LT3460 is available in SC70 and SOT-23 packages.

APPLICATIO S

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

ThinSOT is a trademark of Linear Technology Corporation

■

Digital Cameras

■

CCD Bias Supply

■

XDSL Power Supply

■

TFT-LCD Bias Supply

■

Local 5V or 12V Supply

■

Medical Diagnostic Equipment

■

Battery Backup

Efficiency

TYPICAL APPLICATIO

5V to 12V, 70mA Step-Up DC/DC Converter

22µH

OUT

12V

70mA

130k

15k

22pF

4.7µF

LT3460

GND

OFF ON

SHDN

1µF

LOAD CURRENT (mA)

3460 F01a

Switching Waveforms

3460 F01

V_SW

5V/DIV

I_L

100mA/DIV

0.2µs/DIV

3460 F01b

3460f

12 3 4 5 6 7...12

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