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LP3315 Datasheet(PDF) 1 Page - Lowpower Semiconductor inc

Part # LP3315
Description  1.2MHzFixed-Frequency PWM Operation
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Manufacturer  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP3315 Datasheet(HTML) 1 Page - Lowpower Semiconductor inc

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Preliminary Datasheet
LP3315
LP3315– 00 Version1.0 Datasheet
Feb.-2012
www.lowpowersemi.com
Page 1 of 8
1.2MHz,30V/1A High Performance, Boost Converter
General Description
The LP3315 is a 1.2MHz PWM boost switching
regulator designed for constant-voltage boost
applications. The LP3315 can drive a string of up to
30V. The LP3315 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 1250mV, 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
LP3315
F: Pb-Free
Package:
B5: SOT23-5
Pin Configurations
Features
 High Efficiency: 90%  
 1.2MHzFixed-Frequency PWM Operation
 Maximum Output Voltage up to 30V
 Guaranteed 13V/200mA 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
OFF
ON
VOUT
Vin
4.7uH
LP3315
SHDN
4
FB
3
Vin
5
C2
2.2uF
C3
1nF
C1
4.7uF
R1
210K
R2
30K
Marking information
Please view website.
x represents the date( year month day)of the producing day
of the products.
Device No.
Marking
Package
Shipping
LP3315B5F
LPS
Fbxxx
SOT23-5
3K/Reel


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