(China (Mainland))
Product Summary
The TPS40057PWPR is a high-voltage, wide input (8 V to 40 V), synchronous, step-down converter. It offers design flexibility with a variety of user programmable functions, including soft-start, UVLO, operating frequency, voltage feed- forward, high-side current limit, and loop compensation. The applications of the TPS40057PWPR include: (1)Power Modules; (2)Networking/Telecom; (3)Industrial; (4)Servers.
Parametrics
TPS40057PWPR absolute maxing ratings: (1)Input voltage range, VIN VIN: 45V; VFB, SS, SYNC: -0.3 to 6V; SW: -0.3 to 45V; SW, transient < 50 ns: -2.5V; KFF, with IIN(max) = -5 mA: -0.3 to 11V; (2)Output voltage range, VOUT COMP, RT, SS: -0.3 to 6V; (3)Input current, IIN KFF: 5 mA; (4)Output current, IOUT RT: 200 μA; (5)Operating junction temperature range, TJ: -40 to 125 ℃; (6)Storage temperature, Tstg: -55 to 150 ℃; (7)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: 260 ℃.
Features
TPS40057PWPR features: (1)Operating Input Voltage 8 V to 40 V; (2)Input Voltage Feed-Forward Compensation; (3)< 1 % Internal 0.7-V Reference; (4)Programmable Fixed-Frequency Up to 1 MHz Voltage Mode Controller; (5)Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs; (6)16-Pin PowerPAD Package (θJC = 2℃/W); (7)Thermal Shutdown; (8)Externally Synchronizable; (9)Programmable High-Side Current Limit.
Diagrams
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 TPS40057PWPR |
Texas Instruments |
DC/DC Switching Controllers Wide Input Sync Buck src/sink w/prebias |
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TPS40057PWPRG4 |
Texas Instruments |
DC/DC Switching Controllers Wide Input Sync Buck src/sink w/prebias |
Data Sheet |
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