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LN2119

natlinear
Part Number LN2119
Manufacturer natlinear
Description PWM Control Step-up DC/DC Converter
Published Dec 4, 2018
Detailed Description PWM Control Step-up DC/DC Converter LN2119 ■ General Description The LN2119 Series is a fixed frequency, constant curr...
Datasheet PDF File LN2119 PDF File

LN2119
LN2119

Overview
PWM Control Step-up DC/DC Converter LN2119 ■ General Description The LN2119 Series is a fixed frequency, constant current step-up DC/DC converter ideal for driving OLED.
Output voltage of up to 22V can be derived, and from a li-ion battery supply ,the output voltage can be 12V drive OLED.
A 2 ohm resistance of NMOS is integrated in the circuit , withstand voltage can support 22V, with a small SOT-23-5 package saves PCB space and BOM cost.
■ Applications  Mobil phones, PHS  PDAs  Digital still cameras ■ Typical Application Circuit VIN 2.
5V~6.
0V L:22uH CD54 SD SS14 VIN LX CIN 1uF CE FB 100Hz to VSS 10KHz ■ Features  Input voltage range  Output voltage range  Oscillation frequency  Efficiency  Control  Stand-by Current  Load capacitor  LX limit Current ■ Package  SOT-23-5L 2.
7V—5.
5V up to 22V 1.
0MHz±20% 88% PWM control ISTB=1.
0uA(MAX) 10uF,ceramic 600mA VOUT CP R1 CL 10uF R2 Note: R1 and R2 can be adjusted by the voltage of VO...


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