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Product Detailed Parameters
- Description：IC LED DRV RGLTR PWM SOT23-THIN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：1.8V
- Voltage - Supply (Max)：6V
- Voltage - Output：28V
- Current - Output / Channel：350mA (Switch)
- Frequency：1MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-5 Thin, TSOT-23-5
- Supplier Device Package：SOT-23-THIN
- Grade：-
- Qualification：-
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Overview
The TPS61040DDCR is a high-frequency boost converter from Texas Instruments, designed for small to medium LCD bias supplies and white LED backlight applications. It operates with an input voltage range of 1.8V to 6V and provides an adjustable output voltage up to 28V. The device delivers a maximum output current of 550mA with a switching frequency of 1MHz. It features low operating supply current of 28uA and functions within a temperature range of -40°C to +85°C. The component is housed in a compact SOT-23-5 surface-mount package.
Feature Summary
- High-frequency boost conversion topology optimized for space-constrained designs
- Low quiescent current operation suitable for battery-powered systems
- Integrated feedback loop for precise adjustable output voltage regulation
Applications
- Small to medium LCD bias supply generation
- White LED backlight power driving
- Portable electronic devices requiring efficient step-up conversion
Procurement Notes
Verify the specific suffix 'DDCR' corresponds to the SOT-23-5 package and reel packaging configuration as listed by authorized distributors. Confirm that the component meets RoHS standards if required for your assembly process. Ensure compatibility with your PCB footprint design for the specified five-pin surface mount package before finalizing procurement orders.
Selection Notes
Select this component when a compact boost converter is needed for LCD or LED applications with input voltages between 1.8V and 6V. Consider the 550mA output capability and 1MHz switching frequency for efficiency requirements. Compare against the TPS61041 if different pinout or specific performance characteristics are required for your circuit design constraints.
Part Context
The TPS61040 belongs to the TPS6104x family of high-frequency boost converters from Texas Instruments. This series is specifically engineered for portable electronics, offering a balance of size, efficiency, and performance. The DDCR variant denotes the specific tape-and-reel packaging format used for automated assembly processes in manufacturing environments.
Replacement Considerations
The TPS61041 is a related part within the same family; verify pinout and electrical specifications before substitution. No other direct public substitutes are confirmed in the provided documentation.
