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Manufacturer Part #
ZXLD1321DCATC
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3000 per Reel
DFN-14
Surface Mount
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Features
• 1.2V to 12V Input voltage range• Up to 1A output current• Typical efficiency# >85%• Bootstrap operation enables input voltage down to 1V• User-defined thermal control of LED output current using external thermistor• High output current stability over input voltage and temperature• 12µA typical standby current• LED current adjustable from 100% down to 2%• Adjustable soft-start• Drives up to 5 white LEDs in series
Applications
• High power LED flashlights• LED back-up lighting• General LED lighting• Emergency lighting
The ZXLD1321 is an inductive DC-DC converter, with an internal switch, designed for driving single or multiple LEDs in series up to a total of 1A output current. Applications cover commercial environments with input voltages ranging from 1.2V to 12V. The device includes the DC-DC converter, a high-side current monitor and an NPN switching transistor to provide an integrated solution offering small PCB size, competitive cost/performance, high power efficiency of DC-DC conversion and maximum LED brightness/reliability. External resistors set nominal average LED current and coil peak current independently. The device can be shut down by applying a continuous low level dc voltage to the ADJ pin.
The ZXLD1321DCATC is available in a 1k reel.
Inventory held at our manufacturer's warehouse. Subject to availability and transit time.