TS1520 driver equivalent, white led driver.
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* Built-in Internal Switch 2.7V to 7V input range <1uA shutdown current High Efficiency Drives up to 3S2P to 3S6P White LEDs (VIN at 3.5.
for cellular phone backlighting or other hand held equipment. The TS1520 can drive up to 18 white LEDs form 4.5V supply..
The TS1520 is a step-up DC-DC converter; operates as current source to drive up to 18 white LEDs in parallel/series configuration. Series connecting of the LEDs provides identical LED currents resulting in uniform brightness and eliminating the need .
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