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White LED backlighting for small and media form factor displays
Handheld data terminals (EPOS)
Handheld medical equipment
Thermostat display
Blood glucose meters
Flashlights
Refrigerators and ovens
Description
With a 40V rated integrated switch FET, the TPS61169 is a boost converter that drives LEDs in series. The boost converter has a 40V, 1.8A internal MOSFET with minimum 1.2A current limit; thus it can drive single or parallel LED strings for small- to large-size panel backlighting.
The default white LED current is set with the external sensor resistor, RSET, and the feedback voltage is regulated to 204mV, as shown in the Simplified Schematic. During operation, the LED current can be controlled by using a pulse width modulation (PWM) signal applied to the CTRL pin, through which the duty cycle determines the feedback reference voltage.
The TPS61169 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 TPS61169 to prevent the output voltage from exceeding the absolute maximum voltage ratings of the device during open LED conditions.
The TPS61169 is available in a space-saving 5-pin SC70 package.
Device Information
Part Number
Package Body Size (Nom)
TPS61169
SOT (5) 2.00mm * 1.25mm
Packaging & Shipping
Standard export packaging available. Customers can choose from cartons, wooden cases, and wooden pallets according to their requirements.
Frequently Asked Questions
How to obtain the price? We typically provide quotations within 24 hours of receiving your inquiry (excluding weekends and holidays). For urgent pricing requests, please contact us directly.
What is your delivery time? Small batches typically ship within 7-15 days, while large batch orders may require approximately 30 days depending on order quantity and season.
What are your payment terms? Factory pricing with 30% deposit and 70% balance payment via T/T before shipment.
What are the shipping options? Available shipping methods include sea freight, air freight, and express delivery (EMS, UPS, DHL, TNT, FEDEX). Please confirm your preferred method before ordering.
