DDC0006A中文資料德州儀器數(shù)據(jù)手冊PDF規(guī)格書

1 Features

1? TPS563201 and TPS563208 3-A Converter

Integrated 95-mΩ and 57-mΩ FETs

? D-CAP2? Mode Control with fast transient

response

? Input Voltage Range: 4.5 V to 17 V

? Output Voltage Range: 0.76 V to 7 V

? Pulse-skip mode (TPS563201) or Continuous

Current Mode (TPS563208)

? 580-kHz Switching Frequency

? Low Shutdown Current Less than 10 μA

? 2 Feedback Voltage Accuracy (25 oC)

? Startup from Pre-Biased Output Voltage

? Cycle-by-Cycle Overcurrent Limit

? Hiccup-mode Overcurrent Protection

? Non-Latch UVP and TSD Protections

? Fixed Soft Start: 1.0 ms

2 Applications

? Digital TV Power Supply

? High Definition Blu-ray? Disc Players

? Networking Home Terminal

? Digital Set Top Box (STB)

? Surveillance

3 Description

The TPS563201 and TPS563208 are simple, easy-to-

use, 3 A synchronous step-down converters in SOT-

23 package.

The devices are optimized to operate with minimum

external component counts and also optimized to achieve low standby current.

These switch mode power supply (SMPS) devices employ D-CAP2 mode control providing a fast

transient response and supporting both low-

equivalent series resistance (ESR) output capacitors

such as specialty polymer and ultra-low ESR ceramic

capacitors with no external compensation components.

TPS563201 operates in pulse skip mode, which maintains high efficiency during light load operation.

The TPS563201 and TPS563208 are available in a 6-

pin 1.6-mm × 2.9-mm SOT (DDC) package, and

specified from a –40°C to 125°C junction temperature.