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TPS40490 датащи(PDF) 1 Page - Texas Instruments |
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TPS40490 датащи(HTML) 1 Page - Texas Instruments |
1 / 38 page PGND 8 LDRVL 9 LDRVH 10 SW 11 HDRVL 12 HDRVH 13 BOOT 14 VIN 22 VDR 23 VDR_EXT 24 V3V 25 COMP 26 FB 27 SS 28 PAD 29 U1 TPS40490 0.1 F C22 1nF C3 1.0 F C1 OUT 47nF C14 68nF C28 10000pF C21 FB 1.2 R9 V3p3 2.2 R10 1.2 R12 2.2 R13 SW 20K R27A 1.05K R27B FB 2200pF C27 130 R27C 47uF Co1 47uF Co2 47uF Co3 47uF Co4 OUT 2.2 F Ci1 2.2 F Ci2 200K R21A 10K R21B 0 R27PM V3p3 15K R26 30pF C26b J6 JCOMP 0.1 F C24A VDR_EXT 4.7 F C24 VDR_EXT GND GND 1.0uF C25 GND 1 2 1 H L1 J2 GND J1 J3 GND J4 GND GND 47uF Co5 47uF Co6 2.2 F Ci4 2.2 F Ci3 200K R20A 10K R20B 1.0uF C23 1nF C26 SW VIN COMP 0.1 F Co7 VIN VIN VIN GND 0 R14 Q1 BSC123N08NS3G Q2 BSC123N08NS3G 220uF C2 NC 20 R1 OUT D2 BAT43XV2 R2 DNI C4 DNI 3.3V D1 GND TPS40490 www.ti.com SLVSCB4 – OCTOBER 2013 5-V to 60-V WIDE-INPUT SYNCHRONOUS PWM BUCK CONTROLLER Check for Samples: TPS40490 1 FEATURES • Wide-Input Voltage Range from 5 V to 60 V • Programmable Closed Loop Soft-Start • 600-mV Reference Voltage With ±1% Accuracy • Supports Pre-Biased Outputs and External Modulation Capabilities • Thermal Shutdown at 160°C With Hysteresis • Programmable UVLO and Hysteresis • Power Good Detector • Voltage Mode Control With Feed Forward and • Integrated Diode for Bootstrap Supply With High Gain Bandwidth Error Amplifier UVLO • 100-kHz to 5.4-MHz Programmable Frequency • 28-Pin 5-mm × 5-mm QFN (RHD) Package • Smart Low and High Side Driver APPLICATIONS – Factory Selectable Gate Drive Voltage VDR With External Drive Capability and UVLO • POL Modules Protection • Wide Input Voltage, High-Power Density – Matched Low and High Side Propagation DC/DC Converters for Industrial, Networking Delay and Telecomm Equipment – Programmable Fixed Delay Dead-time • Notebook and Tablet Computers • Low-Side FET Sensing Overcurrent Protection • Envelope Tracking Systems and High-Side FET Sensing Short-Circuit Protection TYPICAL APPLICATION (Non-Isolated 24V-12V Supply) 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 © 2013, 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 - TPS40490 |
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Аналогичное описание - TPS40490 |
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