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LP6229 Datasheet(PDF) 1 Page - Lowpower Semiconductor inc

Part # LP6229
Description  Output to Input Disconnect at Shutdown Mode
PDF  6 Pages
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Manufacturer  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP6229 Datasheet(HTML) 1 Page - Lowpower Semiconductor inc

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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


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