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LP6223 bảng dữ liệu(PDF) 1 Page - Lowpower Semiconductor inc

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nhà sản xuất  POWER [Lowpower Semiconductor inc]
Trang chủ  http://www.lowpowersemi.com
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LP6223 bảng dữ liệu(HTML) 1 Page - Lowpower Semiconductor inc

  LP6223 Datasheet HTML 1Page - Lowpower Semiconductor inc LP6223 Datasheet HTML 2Page - Lowpower Semiconductor inc LP6223 Datasheet HTML 3Page - Lowpower Semiconductor inc LP6223 Datasheet HTML 4Page - Lowpower Semiconductor inc LP6223 Datasheet HTML 5Page - Lowpower Semiconductor inc LP6223 Datasheet HTML 6Page - Lowpower Semiconductor inc  
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Preliminary Datasheet
LP6223
LP6223 –00 Version 1.0 Datasheet
Jul.-2013
www.lowpowersemi.com - -
Page 1 of 6
High Efficiency Boost DC/DC Convertor
General Description
The LP6223 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
LP6223 - □ □
□
F: Pb-Free
Package Type
B6: SOT23-6
Typical Application Circuit
2.2uH
22pF
+
22uF
Vin(3-5V)
R1
300K
R2
100K
EN
1
FB
6
VDD
5
LP6223
Vout_5V
10uF
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.
LP6223B6F
5
4
3
2
1
6


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