Description
The XL1509 is a 150 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 2A load with high efficiency, low ripple and excellent line and load regulation.
Features
- Wide 4.5V to 40V Input Voltage Range.
- 3.3V,5V,12V, and adjustable versions.
- Output Adjustable from 1.23V to 37V.
- Maximum Duty Cycle 100%.
- Minimum Drop Out 1.5V.
- Fixed 150KHz Switching Frequency.
- 2A Constant Output Current Capability.
- Internal Optimize Power Transistor.
- High efficiency.
- Excellent line and load regulation.
- TTL shutdown capability.
- EN pin with hysteresis function.
- Built in thermal shutdown function.
- Built in cur.
XL1509 Datasheet
