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TPS75105DSKT

Led Driver, 4 Outputs, Linear, 2.7V-5.5V in, 3.6V/25mA out, SON-10

TEXAS INSTRUMENTS TPS75105DSKT

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Manufacturer Part No:
TPS75105DSKT
Order Code:
3005739

Product Information

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:
Linear

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4Outputs

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25mA

:
3.6V

:
SON

:
10Pins

:
2.7V

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5.5V

:
-

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-40°C

:
85°C

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-

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-

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MSL 1 - Unlimited
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Technical Docs (0)

Product Overview

The TPS75105DSKT is a low dropout two-bank LED Driver with PWM brightness control. The linear low dropout (LDO) matching LED current source is optimized for low power keypad and navigation pad LED backlighting applications. The device provides a constant current to up to four unmatched LEDs organized in two banks of two LEDs each in a common-cathode topology. Without an external resistor, the current source defaults to factory-programmable, preset current level with ±0.5% accuracy (typical). An optional external resistor can be used to set initial brightness to user-programmable values with higher accuracy. Brightness can be varied from off to full brightness by inputting a pulse width modulation (PWM) signal on each Enable pin. Each bank has independent enable and brightness control, but current matching is done to all four channels concurrently. The input supply range is ideally suited for single-cell Li-Ion battery supplies and the TPS7510x can provide up to 25mA per LED.
  • Regulated output current with 2% LED-to-LED matching
  • Drives up to four LEDs at 25mA each in a common cathode topology
  • Brightness control using PWM signals
  • Two 2-LED banks with independent enable and PWM brightness control per bank
  • No internal switching signals-eliminates EMI
  • Overcurrent and over-temperature protection
  • 28mV Typical dropout voltage extends usable supply range in li-ion battery applications
  • Green product and no Sb/Br

Applications

LED Lighting, Consumer Electronics

Packaging type Re-reel

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