TPS61040 概述

The TPS61040 is a high-frequency boost converter dedicated for small to medium LCD bias supply and white LED backlight supplies. The TPS61040 is ideal to generate output voltages up to 28 V from a dual cell NiMH/NiCd or a single cell Li-Ion battery. The TPS61040 can also be used to generate standard 3.3-V/5-V to 12-V power conversions.

TPS61040 特性

• 1.8-V to 6-V Input Voltage Range
• Adjustable Output Voltage Range up to 28 V
• 400-mA (TPS61040) Internal Switch Current
• Up to 1-MHz Switching Frequency
• 28-µA Typical No-Load Quiescent Current
• 1-µA Typical Shutdown Current
• Internal Soft Start
• Available in SOT23-5 and 2 × 2 × 0.8-mm SON Packages

TPS61040 应用

• LCD Bias Supply
• White-LED Supply for LCD Backlights
• Digital Still Camera
• PDAs, Organizers, and Handheld PCs
• Cellular Phones
• Internet Audio Player
• Standard 3.3-V/5-V to 12-V Conversion