SD2674

Key parameters

Function

Antihypertensive

Inputvoltage range

4V~40V

Output Voltage

ADJ,3.3V,5V,12V

Internal benchmark

1.230V

Output Voltage Accuracy

±3%

Output current<g id="1">(A)</g>

0.5

Switching frequency (kHz)

300

Operating temperature range

-40℃~125℃

Package

SOP8

Overview

SD2674 is a high-efficiency buck DC-DC converter with a fixed 300KHz switching frequency and up to 0.5A output current. It uses few external components and includes shutdown, thermal protection, and shutdown protection. Available in SOP8/ESOP8 packages. Features: · 3.3V, 5V, 12V, and adjustable-output versions · High efficiency · Maximum voltage: 40V · Maximum output current: 0.5A · Only four external components required · 300 kHz fixed-frequency internal oscillator · TTL shutdown and low-power standby mode · Uses standard, readily available inductors · Thermal shutdown and current-limit protection · Adjustable-output range: 1.23V to 37V Applications: · Simple high-efficiency buck · Voltage regulators · High-efficiency linear-regulator preregulators · On-board switching regulators · Positive/negative converter (Buck-Boost)

Applications

• Simple high-efficiency buck (Buck)
• Voltage regulator
• High-efficiency linear-regulator preregulator
• On-board switching regulator
• Positive/negative converter (Buck-Boost)