TPS40077 - High Efficiency Midrage Input Synchronous Buck Controller w/Voltage Feed-Forward

TPS40077是TI德州仪器公司的一款控制器（外部开关）产品，TPS40077是High Efficiency Midrage Input Synchronous Buck Controller w/Voltage Feed-Forward，本站介绍了TPS40077的封装应用图解、特点和优点、功能等，并给出了与TPS40077相关的TI元器件型号供参考。

TPS40077 - High Efficiency Midrage Input Synchronous Buck Controller w/Voltage Feed-Forward - 控制器（外部开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS40077 is a midvoltage, wide-input (4.5-V to 28-V), synchronous, step-down controller, offering design flexibility for a variety of user-programmable functions, including soft start, UVLO, operating frequency, voltage feed-forward, and high-side, FET-sensed, short-circuit protection.

The TPS40077 drives external N-channel MOSFETs using second-generation, predictive-gate drive to minimize conduction in the body diode of the low-side FET and maximize efficiency. Pre-biased outputs are supported by not allowing the low-side FET to turn on until the voltage commanded by the closed-loop soft start is greater than the pre-bias voltage. Voltage feed-forward provides good response to input transients and provides a constant PWM gain over a wide input-voltage operating range to ease compensation requirements. Programmable short-circuit protection provides fault-current limiting and hiccup recovery to minimize power dissipation with a shorted output. The 16-pin PowerPAD package gives good thermal performance and a compact footprint.

产品特性

Operation Over 4.5-V to 28-V Input Range
Programmable, Fixed-Frequency, up to 1-MHz, Voltage-Mode Controller
Predictive Gate Drive™ Anti-Cross-Conduction Circuitry
<1% Internal 700-mV Reference
Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
16-Pin PowerPAD™ Package
Thermal Shutdown Protection
Pre-Bias Compatible
Power-Stage Shutdown Capability
Programmable High-Side Sense Short-Circuit Protection
APPLICATIONS
- Power Modules
- Networking/Telecom
- PCI Express
- Industrial
- Servers

Predictive Gate Drive, PowerPAD are trademarks of Texas Instruments. All other trademarks are the property of their respective owners.

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