LP6229 datasheet(1/6 Pages) POWER

部件名	LP6229

功能描述	Output to Input Disconnect at Shutdown Mode

PDF	6 Pages

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制造商	POWER [Lowpower Semiconductor inc]

网页	http://www.lowpowersemi.com

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Preliminary Datasheet

LP6229

LP6229 –00 Version 1.0 Datasheet

Jul.-2013

www.lowpowersemi.com - -

Page 1 of 6

High Efficiency Boost DC/DC Convertor

General Description

The LP6229 is a current mode boost DC-DC

converter. Its

PWM

circuitry with built-in

0.3Ω,24V,1.5A Current power MOSFET makes this

converter highly power efficiently. Selectable high

switching frequency allows faster loop response and

easy filtering with a low noise output. The

non-inverting input its error amplifier is connected

to an internal 0.6V precision reference voltage.

Soft-Start time can be programmed with an external

capacitor, which sets the input current ramp rate.

Current mode control and external compensation

network make it easy and flexible to stabilize the

system.

Ordering Information

LP6229 - □ □

□

F: Pb-Free

Package Type

B6: SOT23-6

Typical Application Circuit

R2

10K

Vout

Vin

2.2uH

R1

30K

NC

3

EN

5

FB

6

Vin

1

LP6229

10uF

C1

22uF

22pF

Features

Up to 94% efficiency

Output to Input Disconnect at Shutdown Mode

Shut-down current:<1uA

Output voltage Up to 28V

Internal Compensation, Soft-start

1.1MHz fixed frequency switching

High switch on current:1.5A/30V

Available in sot23-6 Package 　

Applications

Battery products

Host Products

Panel

Pin Configurations

Marking Information

Please see website:www.lowpowersemi.com.

LP6229B6F

5

4

3

2

1

6

类似零件编号 - LP6229

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