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TPS61160DRVT датащи(PDF) 1 Page - Texas Instruments |
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TPS61160DRVT датащи(HTML) 1 Page - Texas Instruments |
1 / 21 page 1 FEATURES DESCRIPTION APPLICATIONS C1 D1 VIN SW FB GND CTRL COMP C2 20mA TPS61161 ON/OFF DIMMING CONTROL V 3Vto18V I L1 22 H m 1 F m C3 220nF R 10 set W 1 F m L1: TDKVLCF5020T-220MR75-1 C1:MurataGRM188R61E105K C2: MurataGRM21BR71H105K D1:ONsemiMBR0540T1 TPS61160 TPS61161 SLVS791 – NOVEMBER 2007 www.ti.com White LED Driver With Digital and PWM Brightness Control in 2mm x 2mm QFN Package for up to 10 LEDs in Series • 2.7V to 18V Input Voltage Range • 26V Open LED Protection for 6 LEDs With a 40-V rated integrated switch FET, the TPS61160/1 is a boost converter that drives up to 10 (TPS61160) LEDs in series. The boost converter runs at 600kHz 38V Open LED Protection for 10 LEDs fixed switching frequency to reduce output ripple, (TPS61161) improve conversion efficiency, and allows for the use • 200mV Reference Voltage With ±2% Accuracy of small external components. • Flexible Digital and PWM Brightness Control The default white LED current is set with the external • Built-in Soft Start sensor resistor Rset, and the feedback voltage is regulated to 200mV, as shown in the typical • Up to 90% Efficiency application. During the operation, the LED current can • 2mm × 2mm × 0.8mm 6-pin QFN Package With be controlled using the 1 wire digital interface Thermal Pad (Easyscale™ protocol) through the CTRL pin. Alternatively, a pulse width modulation (PWM) signal can be applied to the CTRL pin through which the • Cellular Phones duty cycle determines the feedback reference voltage. In either digital or PWM mode, the • Portable Media Players TPS61160/1 does not burst the LED current; • Ultra Mobile Devices therefore, it does not generate audible noises on the • GPS Receivers output capacitor. For maximum protection, the device • White LED Backlighting for Media Form Factor features integrated open LED protection that disables Display the TPS61160/1 to prevent the output from exceeding the absolute maximum ratings during open LED conditions. The TPS61160/1 is available in a space-saving, 2mm × 2mm QFN package with thermal pad. Figure 1. Typical Application of TPS61161 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Аналогичный номер детали - TPS61160DRVT |
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Аналогичное описание - TPS61160DRVT |
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