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TPS54202H Datasheet(PDF) 1 Page - Texas Instruments |
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TPS54202H Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page Output Current (A) 0 10 20 30 40 50 60 70 80 90 100 0.001 0.01 0.1 1 D100 VIN = 12 V, VOUT = 5 V VIN = 12 V, VOUT = 3.3 V VIN = 24 V, VOUT = 5 V VIN = 24 V, VOUT = 3.3 V VIN EN GND BOOT FB SW VIN VOUT EN Cin Lo Rfb1 Rfb2 Co Cboot 3 1 5 2 4 6 TPS54202H Copyright © 2016, Texas Instruments Incorporated Product Folder Sample & Buy Technical Documents Tools & Software Support & Community 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. TPS54202H SLVSDG7 – APRIL 2016 TPS54202H 4.5-V to 28-V Input, 2-A Output, SWIFT™ Synchronous Step Down Voltage Converter 1 1 Features 1 • 4.5-V to 28-V Wide Input voltage Range • Integrated 148-m Ω and 78-mΩ MOSFETs for 2-A, Continuous Output Current • Low 2- μA Shutdown, 45-μA Quiescent Current • Internal 5-mS Soft-Start • Fixed 500-kHz Switching Frequency • Advanced Eco-mode™ Pulse Skip • Peak Current Mode Control • Internal Loop compensation • Overcurrent Protection for Both MOSFETs with Hiccup Mode Protection • Over Voltage Protection • Thermal Shutdown • SOT-23 (6) Package 2 Applications • 12-V, 24-V Distributed Power-Bus Supply • Industry Application – White Goods • Consumer Application – Audio – STB, DTV – Printer 3 Description The TPS54202H is a 4.5-V to 28-V input voltage range, 2-A synchronous buck converter. The device includes two integrated switching FETs, internal loop compensation and 5-ms internal soft start to reduce component count. By integrating the MOSFETs and employing the SOT- 23 package, the TPS54202H achieves the high power density and offers a small footprint on the PCB. Advanced Eco-mode implementation maximizes the light load efficiency and reduces the power loss. Cycle-by-cycle current limit in both high-side MOSFET protects the converter in an overload condition and is enhanced by a low-side MOSFET freewheeling current limit which prevents current runaway. Hiccup mode protection is triggered if the overcurrent condition has persisted for longer than the present time. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS54202H SOT-23(6) 1.60 mm × 2.90 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic Efficiency vs Output Current |
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