SCT2464.pdf• Wide Input Range: 3.5V-40V
• Up to 6A Continuous Output Current
• 1V ±1.5% Feedback Reference Voltage
• Integrated 30mΩ High-Side and 18mΩ Low-Side Power MOSFETs
• 13uA Quiescent Current with VBIAS Connected to an auxiliary power supply to 5V
• 60ns Minimum On-time
• 4ms Internal Soft-start Time
• Adjustable Frequency 200KHz to 1.8MHz
• External Clock Synchronization
• Frequency Spread Spectrum (FSS) Modulation for EMI Reduction
• External bias option for improved efficiency
• 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 3.5mm*4mm QFN-14L Package
• Functional Safety-Capable
Documentation available to aid functional safety
system design
• Optimized for ultra low EMI requirements
Hotrod™ package and parallel input path
minimize switch node ringing
Adjustable SW node rise time
• Designed for reliable and rugged applications
Supports 42-V transients
±1% total output regulation accuracy
VOUT adjustable from 1 V to 95% of VIN
0.4-V dropout with 4-A load (typical)
Protection features: thermal shutdown, input
undervoltage lockout, cycle-by-cycle current
limit, hiccup short-citcuit protection
• High efficiency power conversion at all loads
7-μA no load current at 13.5 VIN, 3.3 VOUT
83% PFM efficiency at 1-mA, 13.5 VIN, 5 VOUT
Low MOSFET ON resistance
• RDS_ON_HS = 41 mΩ (typical)
• RDS_ON_LS = 21 mΩ (typical)
External bias option for improved efficiency
• Suitable for scalable power supplies
Pin compatible with:
• LM61440-Q1 (36 V, 4 A, adjustable fSW)
• LM61440 (36 V, 4 A, adjustable fSW)
• LMQ61460 (36 V, 6 A, internal caps)
• Use TPSM63606 module for faster time to market
