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Search Results: 47 Results
TPS61161ADRVR
Manufacturer: Texas Instruments
Package:
With a 40-V rated integrated switch FET, the TPS61160A/61A is a boost converter that drives LEDs in series. The boost converter runs at 600-kHz fixed switching frequency to reduce output ripple, improve conversion efficiency, and allows for the use of small external components.; The default white LED current is set with the external sensor resistor R; , and the feedback voltage is regulated to 200 mV, as shown in the typical application. During the operation, the LED current can be controlled by a pulse width modulation PWM signal applied to the CTRL pin through which the duty cycle determines the feedback reference voltage. In PWM dimming mode, the TPS61160A/61A does not burst the LED current; therefore, it does not generate audible noises on the output capacitor. For maximum protection, the device features integrated open LED protection that disables the TPS61160A/61A to prevent the output from exceeding the absolute maximum ratings during open LED conditions.; The TPS61160A/61A is available in a space-saving, 2-mm 2-mm WSON package with thermal pad.
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$0.47174
48 In stock
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TPS61042DRBR
Manufacturer: Texas Instruments
Package:
The TPS61042 is a high frequency boost converter with constant current output that drives white LEDs or similar. The LED current is set with the external sense resistor R; and is directly regulated by the feedback pin FB that regulates the voltage across the sense resistor R; to 252 mV typ. To control LED brightness, the LED current can be pulsed by applying a PWM pulse width modulated signal with a frequency range of 100 Hz to 50 kHz to the control pin CTRL. To allow higher flexibility, the device can be configured where the brightness can be controlled by an analog signal as well, as described in the; section. To avoid possible leakage currents through the LEDs during shutdown, the control pin CTRL disables the device and disconnects the LEDs from ground. For maximum safety during operation, the output has integrated overvoltage protection that prevents damage to the device in case of a high impedance output e.g. faulty LED.
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$0.84360
30 In stock
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CMD17-21VRC/TR8
Manufacturer: Visual Communications Company - VCC
Package:
CMD17-21 Series is a SMD LED with high intensity light output and clear and diffused lens options. Available in multiple single color options and a 140 degree viewing angle.
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$0.39184
33 In stock
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$0.22344
12 In stock
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$0.38200
100 In stock
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$0.89417
13 In stock
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$0.49049
12 In stock
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$3.95894
10 In stock
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$4.79240
20 In stock
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$0.62510
100 In stock
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