TPS40057PWPR Power Path Management IC Switching Controllers Wide Input Sync Buck src/sink w/prebias
battery charge management ic
,power management integrated circuit
TPS40057PWPR Power Path Management IC Switching Controllers Wide Input Sync Buck src/sink w/prebias
1 Features
- 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 PowerPADTM Package (θJC = 2°C/W)
-
Thermal Shutdown
-
Externally Synchronizable
-
Programmable High-Side Sense Short-Circuit Protection
-
Programmable Closed-Loop Soft-Start
-
TPS40054 Source Only
-
TPS40055 Source and Sink
-
TPS40057 Source and Sink With VO Prebias
2 Applications
-
Power Modules
-
Networking and Telecom
-
Industrial and Servers
3 Description
The TPS4005x is a family of high-voltage, wide-input (8 V to 40 V), synchronous, step-down controllers. 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 TPS4005x 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. Near-constant modulator gain with input variation eases loop compensation. The externally programmable current limit provides pulse- by-pulse current limit, as well as hiccup mode operation using an internal fault counter for longer duration overloads.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
TPS4005x |
TSSOP |
5.00 mm x 4.40 mm |
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