• Wide Input Range: 4.5V-40V
• Up to 600mA Continuous Output Current
• Less than 0.1% Output Ripple at 12V Output
• 0.81V ± 2.5% Feedback Reference Voltage
• Integrated 600mΩ High-Side and 300mΩ Low-
Side Power MOSFETs
• Fixed Frequency 2MHz
• Pulse Skipping Mode (PSM) at Light Load
• 90uA Quiescent Current in Sleep Mode
• 100ns Minimum On-time
• 1ms Internal Soft-start Time
• Over-Temperature Protection
• Available in an TSOT23-6 Package
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• New product available:
LMR54406 4-V to 45-V, 0.6-A, 1.1-MHz synchronous buck converter
• For faster time to market:
TPSM365R6 3-V to 65-V, 0.6-A, 200-kHz to 2.2-MHz power module
• Configured for rugged industrial applications
4-V to 36-V input voltage range supporting 40-V absolute maximum rating
600-mA continuous output current
70-ns minimum switching-on time
98% maximum duty cycle
PFM and Forced PWM (FPWM) options
1.1-MHz switching frequency
Support start-up with pre-biased output
Short-circuit protection with hiccup mode
±0.5%tolerance voltage reference at 25°C junction temperature
Precision enable
Overtemperature protection
• Small solution size and ease of use
Integrated synchronous rectification
Internal compensation for ease of use
SOT-23-6 package
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