TS1937 driver equivalent, boost (step-up) wled driver.
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* Inherently Matched LED Current High Efficiency: 88% Typical Drives Up to 6 LEDs @ Vin 5V Drives Up to 12 LEDs @ Vin .
for cellular phone backlighting or other hand held equipment.
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The TS1937 is a step-up DC/DC converter specifically designed to drive white LEDs with a constant current. The device can drive 2 ~ 12 LEDs in series from a Li-Ion cell. Series connection of the LEDs provides identical LED currents resulting in unifo.
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