? Wide Input Range: 3.5V-40V
? Up to 6A Continuous Output Current
? 1V ±1.5% Feedback Reference Voltage
? Integrated 30m? 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
