TPS40001DGQRG4

TPS40001DGQRG4, synchronous buck controller, MSOP10, 6.5V, 4mA, Texas Instruments

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PartNumber:: TPS40001DGQRG4

Brand:: Texas Instruments - TI | Pack: MSOP | D/C: 11+

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Products Upload time: 2012-03-30

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Part Number:TPS40001DGQRG4
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Product Summary

The TPS40001DGQRG4 is a synchronous buck controller for low-voltage, non-isolated synchronous buck regulator. The controller drives an N-channel MOSFET for the primary buck switch, and an N-channel MOSFET for the synchronous rectifier switch, thereby achieving very high-efficiency power conversion. In addition, the device controls the delays from main switch off to rectifier turn-on and from rectifier turn-off to main switch turn-on in such a way as to minimize diode losses (both conduction and recovery) in the synchronous rectifier with TI’s proprietary Predictive Gate Drive technology. The applications of the TPS40001DGQRG4 include Networking Equipment, Telecom Equipment, Base Stations, Servers, DSP Power, Power Modules.

Parametrics

TPS40001DGQRG4 absolute maximum ratings: (1)Input voltage range, VIN, BOOT: VSW + 6.5V; COMP, FB, ILIM, SS/SD -0.3 to 6V; SW: -0.7 to 10.5 V; SWT (SW transient < 50 ns) : -2.5; VDD: 6V; (2)Operating junction temperature range, TJ: -40 to 150℃; (3)Storage temperature, Tstg: -55 to 150℃; (4)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: 260℃.

Features

TPS40001DGQRG4 features: (1)Operating Input Voltage 2.25 V to 5.5 V; (2)Output Voltage as Low as 0.7 V; (3)1% Internal 0.7 V Reference; (4)Predictive Gate Drive N-Channel MOSFET Drivers for Higher Efficiency; (5)Externally Adjustable Soft-Start and Overcurrent Limit; (6)Source-Only Current or Source/Sink Current; (7)Versions for Starting Into VOUT Pre-Bias ; (8)10-Lead MSOP PowerPad Package for Higher Performance; (9)Thermal Shutdown; (10)Internal Boostrap Diode; (11)Fixed-Frequency, Voltage-Mode Control: 300-kHz.