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TPS61165DBVT Datasheet(PDF) 1 Page - Texas Instruments |
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TPS61165DBVT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 33 page VIN 5 V C1 4.7 F m D1 Rset 0.57 W VIN SW FB GND CTRL COMP C2 1 F m 350 mA 220 nF TPS61165 L 1 : TOKO #A 915 _Y-100M C1 : Murata GRM 188R61 A475 K C2 : Murata GRM 188R61 E105K D1 : ONsemi MBR0540T1 LED : OSRAM LW-W 5SM ON/OFF DIMMING CONTROL L1 10 H m Copyright © 2016, Texas Instruments Incorporated Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. TPS61165 SLVS790D – NOVEMBER 2007 – REVISED APRIL 2016 TPS61165 High-Brightness, White LED Driver in WSON and SOT-23 Packages 1 1 Features 1 • 3-V to 18-V Input Voltage Range • 38-V Open LED Protection • 200-mV Reference Voltage With 2% Accuracy • 1.2-A Switch FET With 1.2-MHz Switching Frequency • Flexible One-Wire Digital and PWM Brightness Control • Built-in Soft Start • Up to 90% Efficiency • 2-mm × 2-mm × 0.8-mm 6-Pin WSON Package With Thermal Pad, and SOT-23 Package 2 Applications • High-Brightness LED Lighting • White LED Backlighting for Media Form Factor Display • Handheld Data Terminals (EPOS) • Thermostat Display • Human Machine Interface (HMI) • Video Surveillance Camera • Exit Signs • HMI and Control Panels • Industrial PCs • IR LED driver • Refrigerator • Ovens 3 Description With a 40-V rated integrated switch FET, the TPS61165 device is a boost converter that drives LEDs in series. The boost converter runs at a 1.2-MHz fixed switching frequency with 1.2-A switch current limit, allowing the use of a high-brightness LED in general lighting. The default white LED current is set with the external sensor resistor Rset, and the feedback voltage is regulated to 200 mV, as shown in Typical Application. During the operation, the LED current can be controlled using the one-wire digital interface (EasyScale™ protocol) through the CTRL pin. Alternatively, a pulse-width-modulation (PWM) signal can be applied to the CTRL pin through which the duty cycle determines the feedback reference voltage. In either digital or PWM mode, the TPS61165 device 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 TPS61165 device to prevent the output from exceeding its absolute maximum voltage ratings during open LED conditions. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS61165 SOT-23 (6) 2.90 mm × 1.60 mm WSON (6) 2.00 mm × 2.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical Application |
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