(Hong Kong)
Product Summary
The TPS40057PWPRG4 is a member of TPS4005x family high-voltage, wide input (8 V to 40 V), synchronous, step-down converters. The TPS4005x family 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. It is also synchronizable to an external supply. The typical applications include: Power Modules, Networking/ Telecom, Industrial, Servers.
Parametrics
Absolute maximum ratings: (1)Input voltage range: VIN: 45 V; VFB, SS, SYNC: -0.3 to 6 V; SW: -0.3 to 45 V; SW, transient < 50 ns: -2.5 V; KFF, with IIN(max) = -5 mA: -0.3 to 11 V; (2)Output voltage range, VOUT COMP, RT, SS: -0.3 to 6 V; (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
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; (5)Voltage Mode Controller; (6)Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs; (7)16-Pin PowerPAD Package (θJC = 2°C/W); (8)Thermal Shutdown; (9)Externally Synchronizable; (10)Programmable High-Side Current Limit; (11)Programmable Closed-Loop Soft-Start; (12)TPS40057 Source/Sink With VOUT Prebias.
Diagrams
<IMG src="http://www.seekic.com/uploadfile/ic-mfg/20113701512128.jpg" border=0>
| Image | Part No | Mfg | Description |  |
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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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TPS40000 |
Other |
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Data Sheet |
Negotiable |
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TPS40000DGQ |
Texas Instruments |
Voltage Mode PWM Controllers Low Input 2.25V-5.5V 300 kHz Frequency |
Data Sheet |
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TPS40000DGQG4 |
Texas Instruments |
Voltage Mode PWM Controllers Low Input 2.25V-5.5V 300 kHz Frequency |
Data Sheet |
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TPS40000DGQR |
Texas Instruments |
Voltage Mode PWM Controllers Lo Input 300kHz Freq Synch Buck Cntrlr |
Data Sheet |
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TPS40000DGQRG4 |
Texas Instruments |
Voltage Mode PWM Controllers Lo Input 300kHz Freq Synch Buck Cntrlr |
Data Sheet |
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TPS40001 |
Other |
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Data Sheet |
Negotiable |
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