Texas Instruments TPS561201

Description

The TPS561201 and TPS561208 are simple, easy-to-use, 1-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.The TPS561201 operates in pulse skip mode, which maintains high efficiency during light load operation. The TPS561201 and TPS561208 are available in a 6-pin 1.6 × 2.9 (mm) SOT (DDC) package and specified from –40°C to 125°C of junction temperature.

Features

TPS561201 and TPS561208 1-A ConverterIntegrated 140-mΩ and 84-mΩ FETs

• D-CAP2™ Mode Control With Fast TransientResponse
• Input Voltage Range: 4.5 V to 17 V
• Output Voltage Range: 0.76 V to 7 V
• Pulse-Skip Mode (TPS561201) or ContinuousCurrent Mode (TPS561208)
• 580-kHz Switching Frequency
• Low Shutdown Current Less than 10 μA
• 2% Feedback Voltage Accuracy (25°C)
• 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
• Create a Custom Design Using the TPS56120xWith the WEBENCH® Power Designer

Typical applications

• Networking Home Terminal
• High Definition Blu-ray™ Disc Players/ Digital Set-Top Box (STB)
• Digital TV Power Supply
• Surveillance

More information

• Datasheet
• IC product information