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TPS40057-Q1

Features: · Qualified For Automotive Applications· Customer-Specific Configuration Control Can Be Supported Along With Major-Change Approval· Operating Input Voltage 8 V to 40 V· Input Voltage Feed-Forward Compensation· < 1 % Internal 0.7-V Reference· Programmable Fixed-Frequency Up to 1-MHz Vo...

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SeekIC No. : 004526807 Detail

TPS40057-Q1: Features: · Qualified For Automotive Applications· Customer-Specific Configuration Control Can Be Supported Along With Major-Change Approval· Operating Input Voltage 8 V to 40 V· Input Voltage Feed-...

TPS40057-Q1 Data Sheet

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Part Number:
TPS40057-Q1
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Qualified For Automotive Applications
· Customer-Specific Configuration Control Can Be Supported Along With Major-Change Approval
· Operating Input Voltage 8 V to 40 V
· Input Voltage Feed-Forward Compensation
· < 1 % Internal 0.7-V Reference
· Programmable Fixed-Frequency Up to 1-MHz Voltage Mode Controller
· Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
· 16-Pin PowerPAD™ Package (qJC = 25°C/W)
· Thermal Shutdown
· Externally Synchronizable
· Programmable High-Side Sense Short-Circuit Protection
· Programmable Closed-Loop Soft-Start
· TPS40054 Source Only (Product Preview)
· TPS40055 Source/Sink (Product Preview)
· TPS40057 Source/Sink With VOUT Prebias


Application

· Power Modules
· Networking/Telecom
· Industrial/Servers
· Automotive Telematics


Pinout

Connection Diagram


Specifications

  VALUE / UNIT
VIN Input voltage range VIN 45 V
VFB, SS, SYNC 0.3 V to 6 V
SW 0.3 V to 45 V
SW, transient < 50 ns 2.5 V
KFF, with IIN(max) = 5 mA 0.3 V to 11 V
VOUT Output voltage range COMP, RT, SS 0.3 V to 6 V
IIN Input current KFF 5 mA
IOUT Output current RT 200 A
TJ Operating junction temperature range 55°C to 140°C
Tstg Storage temperature(2) 55°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260°C



Description

The TPS40057-Q1 is a family of 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.

The TPS40057-Q1 are also synchronizable to an external supply. The TPS4005x incorporates MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFETs. Gate drive logic incorporates anti-cross conduction circuitry to prevent simultaneous high-side and synchronous rectifier conduction.

The TPS40057-Q1 uses voltage feed-forward control techniques to provide good line regulation over the wide (4:1) input voltage range and fast response to input line transients with near constant gain with input pulse-by-pulse current limit, as well as a hiccup mode operation utilizing an internal fault counter for longer duration overloads.




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