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LP3316 Datasheet(PDF) 1 Page - Lowpower Semiconductor inc

Part # LP3316
Description  1.2MHzFixed-Frequency PWM Operation
PDF  8 Pages
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Manufacturer  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP3316 Datasheet(HTML) 1 Page - Lowpower Semiconductor inc

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Preliminary Datasheet
LP3316
LP3316– 00 Version1.0 Datasheet
Feb.-2010
www.lowpowersemi.com
Page 1 of 8
1.2MHz,30V/1.4A High Performance, Boost Converter
General Description
The LP3316 is a 1.2MHz PWM boost switching
regulator designed for constant-voltage boost
applications. The LP3316 can drive a string of up to
30V. The LP3316 implements a constant frequency
1.2MHz PWM control scheme. The high frequency
PWM operation also saves board space by reducing
external component sizes. To improve efficiency, the
feedback voltage is set to 1250 mV, which reduces
the power dissipation in the voltage setting resistor.
Highly integration and internal compensation
network minimizes as 5 external component counts.
Optimized operation frequency can meet the
requirement of small LC filters value and low
operation current with high efficiency.
Ordering Information
LP3316
F: Pb-Free
Package:
B5: SOT23-5
B6: SOT23-6
Pin Configurations
(TSOT23-6)
(SOT23-5)
Features
High Efficiency: 95% 　
1.2MHzFixed-Frequency PWM Operation
Maximum Output Voltage up to 30V
Guaranteed 13V/400mA Output with 5V input
Operating Range : 2.7V to 5.5V
Shutdown Supply Current:<1uA 　
Programmable Soft-star
Available in SOT23-6/SOT23-5 Package 　
Minimize the External Component
RoHS Compliant and 100% Lead (Pb)-Free
Applications
Panel Bais Voltage supply
OLED Backlight driver
Notebook Computers
Portable Applications
MID/PTV
Typical Application Circuit
Vin
10uH
SHDN
4
FB
3
Vin
6
SS
5
LP3316
C2
4.7uF
C3/NC
100pF
C1
4.7uF
C4
33nF
R2
100K
R1
860K
Vout
Marking information
Please view website.


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