LMR544xx SIMPLE SWITCHER Power Converter 4V to 45V,
0.6A/1A Buck Converter in a SOT-23 Package

1 Features

Functional Safety-Capable
- Documentation available to aid functional safety system design
Configured for rugged industrial applications
- 4V to 36V input voltage range
- Withstands up to 50V short V_IN transient
- 0.6A/1A continuous output current
- 60ns minimum switching on time
- 1.1MHz fixed switching frequency
- –40°C to 150°C junction temperature range
- 98% maximum duty cycle
- Monotonic start-up with prebiased output
- Short-circuit protection with hiccup mode
- Precision enable
- ±1% tolerance voltage reference
Small design size and ease of use
- Integrated synchronous rectification
- Internal compensation for ease of use
- SOT-23 package
Pin-to-pin compatible with the LMR14010A, LMR50410, and TPS560430
Various options in pin-to-pin compatible package
- PFM and forced PWM (FPWM) options