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TPS61150DRCRG4 датащи(PDF) 1 Page - Texas Instruments |
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TPS61150DRCRG4 датащи(HTML) 1 Page - Texas Instruments |
1 / 26 page C2 1 F C1 1 F VIN 2.5 V to 6 V Input IOUT SW GND SEL1 SEL2 ISET1 IFB2 IFB1 R1 R2 L1 10 H ISET2 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS61150, TPS61151 SLVS625E – FEBRUARY 2006 – REVISED NOVEMBER 2015 TPS6115x Dual-Output Boost WLED Driver Using Single Inductor 1 Features 3 Description The TPS6115x is a high-frequency boost converter 1 • 2.5-V to 6-V Input Voltage Range with two regulated current outputs for driving WLEDs. • Two Outputs Each up to 27 V Each current output can be individually programmed • 0.7-A Integrated Switch through external resistors. There is a dedicated selection pin for each output so the two outputs can • Built-In Power Diode be turned on separately or simultaneously. The • 1.2-MHz Fixed PWM Frequency output current can be reduced by a pulse width • Individually Programmable Output Current modulation (PWM) signal on SEL pins or an analog voltage on the ISET pins, resulting in PWM dimming • Input-to-Output Isolation of the WLEDs. The boost regulator runs at a 1.2-MHz • Built-In Soft Start fixed switching frequency to reduce output ripple and • Overvoltage Protection avoid audible noises associated with pulse frequency • Up to 83% Efficiency modulation (PFM) control. • Up to 30-kHz PWM Dimming Frequency The two current outputs are ideal for driving WLED backlights for the sub and main displays in clamshell 2 Applications phones. The two outputs can also be used for driving display and keypad backlights. When used together, • Sub- and Main-Display Backlight in Clamshell the two outputs can drive up to 14 WLEDs for one Phones large display. • Display and Keypad Backlight In addition to the small inductor, small capacitor, and • Up to 14-WLED Driver 3-mm × 3-mm VSON package, the built-in MOSFET and diode eliminate the need for any external power devices. Overall, the device provides an extremely compact solution with high efficiency and plenty of flexibility. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS61150 VSON (10) 3.00 mm × 3.00 mm TPS61151 (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical Application 1 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. |
Аналогичный номер детали - TPS61150DRCRG4 |
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Аналогичное описание - TPS61150DRCRG4 |
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