SCT2434.pdf• Wide Input Range: 3.6V-40V
• Up to 3.5A Continuous Output Current
• 1V ±1% Feedback Reference Voltage
• Integrated 60mΩ High-Side and
36mΩ Low-Side Power MOSFETs
• Pulse Skipping Mode(PSM) with
25uA Quiescent Current in Sleep Mode
• 60ns Minimum On-time
• 4ms Internal Soft-start Time
• 400kHz Switching Frequency
• Frequency Spread Spectrum (FSS)
Modulation for EMI Reduction
• Precision Enable Threshold for
adjustable Input Voltage Under-Voltage Lock Out Protection
(UVLO) Threshold and Hysteresis
• Parallel input path to minimize switch node ringing
• Low Dropout Mode Operation
• Over-voltage and Over-Temperature Protection
• Available in 2mm*3mm QFN-12L Package
• Functional Safety-Capable
Documentation available to aid functional safety
system design
• Configured for rugged industrial applications
Input voltage range: 3.8 V to 36 V
Output voltage range: 1 V to 24 V
Output current: 3 A
75-mΩ/50-mΩ RDS-ON power MOSFETs
Peak-current-mode control
Short minimum on-time of 68 ns
Frequency: 400 kHz, 1.4 MHz, 2.1 MHz
Junction temperature range –40°C to +125°C
Low EMI and low switching noise
Integrated compensation network
• Low EMI and switching noise
HotRod™ package
Parallel input current paths
• High power conversion at all loads
Peak efficiency > 95%
Low operating quiescent current of 25 µA
• Flexible system interface
Power-good flag and precision enable
• Use TPSM53603 module for faster time to market
• Create a custom design using the LMR33630 with
the WEBENCH® Power Designer
