Overview
The TPS61040DRVR, produced by Texas Instruments, is a high-frequency boost converter designed for small to medium LCD bias supply and white LED backlight applications. This device is part of the TPS6104x family and is known for its high efficiency and compact design. It operates with an input voltage range of 1.8 V to 6 V and can generate output voltages up to 28 V, making it versatile for various power conversion needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 1.8 to 6 | V |
| Output Voltage Range | Up to 28 | V |
| Internal Switch Current | 400 mA (TPS61040), 250 mA (TPS61041) | mA |
| Switching Frequency | Up to 1 MHz | Hz |
| No-Load Quiescent Current | 28 µA (typical) | µA |
| Shutdown Current | 1 µA (typical) | µA |
| MOSFET On-Resistance | 600 to 1000 mΩ (TPS61040), 750 to 1250 mΩ (TPS61041) | mΩ |
| Package Options | SOT23-5, TSOT23-5, 2-mm × 2-mm × 0.8-mm WSON | |
| Operating Temperature Range | -40 to 125 | °C |
Key Features
- Adjustable output voltage range up to 28 V
- High-frequency operation up to 1 MHz, enabling the use of small external components
- Internal soft start to prevent inrush current
- Low no-load quiescent current of 28 µA and shutdown current of 1 µA
- Internal peak current control for high efficiency over the entire load current range
- Available in various package options including SOT23-5, TSOT23-5, and 2-mm × 2-mm × 0.8-mm WSON
Applications
- LCD bias supply
- White LED backlight supply for LCDs
- Digital still cameras
- PDAs, organizers, and handheld PCs
- Cellular phones
- Internet audio players
- Standard 3.3-V or 5-V to 12-V conversion
Q & A
- What is the input voltage range of the TPS61040DRVR?
The input voltage range is from 1.8 V to 6 V.
- What is the maximum output voltage that the TPS61040DRVR can generate?
The maximum output voltage is up to 28 V.
- What is the internal switch current for the TPS61040?
The internal switch current for the TPS61040 is 400 mA.
- What is the switching frequency of the TPS61040DRVR?
The switching frequency can be up to 1 MHz.
- What is the typical no-load quiescent current of the TPS61040DRVR?
The typical no-load quiescent current is 28 µA.
- What is the typical shutdown current of the TPS61040DRVR?
The typical shutdown current is 1 µA.
- What are the package options available for the TPS61040DRVR?
The device is available in SOT23-5, TSOT23-5, and 2-mm × 2-mm × 0.8-mm WSON packages.
- What is the operating temperature range of the TPS61040DRVR?
The operating temperature range is from -40°C to 125°C.
- What are some common applications of the TPS61040DRVR?
Common applications include LCD bias supply, white LED backlight supply, digital still cameras, PDAs, cellular phones, and internet audio players.
- How does the TPS61040DRVR manage peak current?
The device operates with an internal peak current control scheme, maintaining high efficiency over the entire load current range.
