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TPS65283 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS65283 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 42 page BST2 LX2 PGND2 VIN2 SW_IN SW_OUT FB2 COMP2 COMP1 FB1 BST1 LX1 PGND1 VIN1 V7V PGOOD1 nFAULT SW_EN EN2 EN1 PGOOD2 VIN PGOOD2 nFAULT 19 20 21 22 23 24 6 18 13 14 12 11 10 9 8 7 Vout1 Vout2 VIN DVCC TPS65283 TPS65283-1 PGOOD1 Vswout 5 1 2 3 17 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 0.002 0.02 0.2 2 Loading (A) Buck2 at 5 V Buck1 at 1.2 V C001 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS65283, TPS65283-1 SLVSCL3C – JUNE 2014 – REVISED AUGUST 2014 TPS65283/-1 4.5- to 18-V Input Voltage, Maximum 3.5-A/2.5-A Current, Synchronous Dual Buck Converter With Power Distribution Switch 1 Features 2 Applications 1 • Buck Converter • USB Ports and Hubs • Set Top Box – Wide Input Voltage Range 4.5 to 18 V • Digital TV – Integrated Dual Buck Converter, Maximum Continuous Current 3.5 A (Buck1) / 2.5 A • DSL/Cable Modem, Wireless Router (Buck2) • Home Gateway and Access Point Networks – Feedback Reference Voltage 0.6 V ±1% • Car Infotainment – Adjustable Switching Frequency 200 kHz to 2 MHz 3 Description – Internal Built Soft Start Time 2.4 ms The TPS65283, TPS65283-1 in thermally-enhanced 4-mm × 4-mm VQFN package is a full featured – External Clock Synchronization 4.5- to 18-V Vin, 3.5-A/2.5-A output current – Cycle-by-Cycle Current Limit synchronous step down DC-DC converter, which is – Power Good Indicator for Each Buck optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs. – Continuous Current Mode (TPS65283) or The device also incorporates one N-channel Pulse Skipping Mode (PSM) (TPS65283-1) at MOSFET power switches for power distribution Light Load systems. This device provides a total power • Power Distribution Switch distribution solution, where precision current limiting and fast protection response are required. – Integrated a Power Distribution Switch With On-Resistance 60 m Ω Device Information(1) – Operating Input Voltage Range 2.4 to 6 V PART NUMBER PACKAGE BODY SIZE (NOM) – Adjustable Current Limiting from 100 mA to TPS65283 2.7 A VQFN (24) 4.00 mm × 4.00 mm TPS65283-1 – Current-Limit Accuracy ±10% at 1.25 A (1) For all available packages, see the orderable addendum at (Typical) the end of the data sheet. – Auto Recovery Overcurrent Protection – Reverse Input to Output Voltage Protection – Overtemperature Protection – 24-Lead VQFN (RGE) 4-mm × 4-mm Package 4 Typical Schematic Efficiency, Vin = 12 V, PSM 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. |
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Similar Description - TPS65283_16 |
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