Texas Instruments DC-DC Switching Buck Step Down Regulator Adjustable SOIC-8 - 6.5V 40V in 1.21V 37V 1A
Texas Instruments adjustable DC-DC buck step-down regulator in SOIC-8 package. Features high efficiency, thermal shutdown, and requires few components.
The Texas Instruments DC-DC Switching Buck Step Down Regulator is a monolithic integrated circuit built with a LMDMOS process, providing all the active functions for a step-down switching regulator. Designed for simplicity and high efficiency, it requires a minimum number of external components to operate, making it exceptionally easy to implement into your power management designs.
Featuring patented internal frequency compensation and a fixed frequency oscillator, this regulator operates at a switching frequency of 260kHz. This higher frequency allows for the use of smaller sized filter components compared to lower frequency alternatives, saving valuable board space. The device boasts very high efficiency, meaning the copper traces on the printed circuit board provide the only heat sinking required, simplifying thermal management.
Key Features
- High efficiency of up to 96 per cent
- Requires only five external components
- Uses readily available standard inductors
- Tight output voltage tolerance over line and load conditions
- Guaranteed output load current
- DMOS output switch
- 260kHz fixed frequency internal oscillator
- TTL shutdown capability with low power standby mode
- Thermal shutdown and current limit protection
- Green product with no Sb/Br
Ideal for a wide range of power management applications, this surface-mount adjustable regulator offers a robust and reliable solution. Its comprehensive built-in protections ensure safe operation under demanding conditions, while the straightforward design minimises development time and component sourcing challenges.
Variant Details
- Size: 6.5V 40V in 1.21V 37V 1A
- Topology: Buck (Step Down)
- Output Type: Adjustable
- Number of Outputs: 1
- IC Case / Package: SOIC
- Number of Pins: 8
- IC Mounting: Surface Mount
- Switching Frequency: 260kHz
- Operating Temperature Min: -40°C
- Operating Temperature Max: 125°C
- DMOS Output Switch Resistance: 0.25Ω
- Special Feature: Thermal shutdown and current limit protection
- Special Feature: TTL shutdown capability, low power standby mode
- Special Feature: Green product and no Sb/Br
- Weight: 0.1 grams
- Height: 43 mm
- Width: 33 mm
- Depth: 15 mm
- Voltage Max: 40V
- Output Current: 1A
- Max Output Current: 1A
- of Pins: 8Pins
- Output Voltage Min: 1.21V
- Output Voltage Max: 37V
- SVHC: No SVHC (27-Jun-2018)
- DC / DC Converter IC Case: SOIC
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