T echcode®
3A 150KHz PWM Buck DC/DC Converter
DATASHEET
TD1507
General Description
Features
The TD1507...
T echcode®
3A 150KHz PWM Buck DC/DC Converter
DATASHEET
TD1507
General Description
Features
The TD1507 is a series of easy to use fixed and adjustable step-down (buck) switch-mode voltage
regulators. These devices are available in fixed output voltage of 5V, and an adjustable output version. Both versions are capable of driving a 3A load with excellent line and load regulation.
Requiring a minimum number of external components, these
regulators are simple to use and include internal frequency compensation, and a fixed-frequency oscillator.
The output voltage is guaranteed to ±3% tolerance under specified input voltage and output load conditions. The oscillator frequency is guaranteed to ±15%. External shutdown is included, featuring typically 80 µA standby current. Self protection features include a two stage frequency reducing current limit for the output switch and an over temperature shutdown for complete protection under fault conditions.
The TD1507 is available in TO252-5L packages.
z 5V and adjustable output versions z Output adjustable from 1.23v to 43V z Fixed 150KHz frequency internal oscillator z Guaranteed 3A output load current z Input voltage range up to 45V z Low power standby mode, IQ typically 80 µA z TTL shutdown capability z Excellent line and load regulation z Requires only 4 external components z High efficiency z Thermal shutdown and current limit protection z Available in TO252-5L packages
Applications
z Simple High-efficiency step-...