LM27403
LM27403 is Synchronous Buck Controller manufactured by Texas Instruments.
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SNVS896B
- AUGUST 2013
- REVISED NOVEMBER 2014
LM27403 Synchronous Buck Controller With Temperature-pensated, Inductor-DCRBased Overcurrent Protection and Programmable Thermal Shutdown
1 Features
- 1 Up to 97% Efficiency and 93% Duty Cycle
- Wide Input Voltage Range of 3 V to 20 V
- Switching Frequency From 200 k Hz to 1.2 MHz
- Inductor-DCR-Based Overcurrent Protection With
Thermal pensation
- 0.6-V Reference With 1% Feedback Accuracy
- 30-ns Min On-Time for Low VOUT
- Integrated High-Current MOSFET Drivers
- Adaptive Deadtime Control
- Ultrafast Line and Load Transient Response
- High GBW Error Amplifier
- PWM Line Feedforward
- Integrated VDD Bias Supply LDO Subregulator
- Programmable System-Level OTP
- Precision Enable With Hysteresis
- Frequency Synchronization
- Monotonic Prebiased Start-up
- Programmable Soft-Start With Tracking
- Output Remote Sense
- Open-Drain Power Good...
