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TPS62737RGYT Datasheet(PDF) 2 Page - Texas Instruments |
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TPS62737RGYT Datasheet(HTML) 2 Page - Texas Instruments |
2 / 35 page TPS62736 TPS62737 SLVSBO4B – OCTOBER 2012 – REVISED JULY 2013 www.ti.com These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. DESCRIPTION The TPS6273X family provides a highly integrated ultra low power buck converter solution that is well suited for meeting the special needs of ultra low power applications such as energy harvesting. The TPS6273X provides the system with an externally programmable regulated supply in order to preserve the overall efficiency of the power management stage compared to a linear step down converter. This regulator is intended to step down the voltage from an energy storage element such as a battery or super capacitor in order to supply the rail to low voltage electronics. The regulated output has been optimized to provide high efficiency across low output currents (<10 µA) to high currents (200 mA). The TPS6273X integrates an optimized hysteretic controller for low power applications. The internal circuitry utilizes a time based sampling system in order to reduce the average quiescent current. To further assist users in the strict management of their energy budgets, the TPS6273X toggles the input power good indicator to signal an attached microprocessor when the voltage on the input supply has dropped below a pre-set critical level. This signal is intended to trigger the reduction of load currents to prevent the system from entering an under-voltage condition. There are also independent enable signals to allow the system to control whether the converter is regulating the output, only monitoring the input voltage, or shut down in an ultra-low quiescent sleep state. The input power good threshold and output regulator levels are programmed independently via external resistors. All the capabilities of TPS6273X are packed into a small foot-print 14-lead 3.5mm x 3.5 mm QFN package (RGY). ORDERING INFORMATION ORDERING OUTPUT MAX OUTPUT INPUT PACKAGE TA PART NO. NUMBER (TAPE QUANTITY VOLTAGE CURRENT UVLO MARKING AND REEL) TPS62736RGYR 3000 Resistor –40°C to 85°C TPS62736(1) 50 mA 2 V TPS62736 Programmable TPS62736RGYT 250 TPS62737RGYR 3000 Resistor –20°C to 85°C TPS62737(1) 200 mA 2V TPS62737 Programmable TPS62737RGYT 250 (1) The RGY package is available in tape on reel. Add R suffix to order quantities of 3000 parts per reel, T suffix for 250 parts per reel. ABSOLUTE MAXIMUM RATINGS (1) over operating free-air temperature range (unless otherwise noted) VALUE(2) UNIT MIN MAX Input voltage range on IN, EN1, EN2, VRDIV, VIN_OK_SET, Pin voltage –0.3 5.5 V VOUT_SET, VIN_OK, OUT, SW,NC TPS62736 Peak currents IN, OUT 100 mA TPS62737 Peak currents IN, OUT 370 mA TJ Temperature range Operating junction temperature range –40 125 °C TSTG Storage temperature range –65 150 °C Human Body Model - (HBM) 1 kV ESD(3) Machine Model (MM) 150 V Charge Device Model - (CDM) 500 V (1) Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute–maximum–rated conditions for extended periods may affect device reliability. (2) All voltage values are with respect to VSS/ground terminal (3) ESD testing is performed according to the respective JESD22 JEDEC standard. 2 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated Product Folder Links: TPS62736 TPS62737 |
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