natlinear LN2119
The LN2119 Series is a fixed frequency, constant current step-up DC/DC converter ideal for driving OLED.GENERAL DESCRIPTION
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
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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