SCT2450Q.pdf• Wide Input Range: 3.8V-36V
• Up to 5A Continuous Output Current
• 0.8V ±1% Feedback Reference Voltage
• Integrated 45mΩ High-Side and 20mΩ
Low-Side Power MOSFETs
• Pulse Skipping Mode (PSM) with 25uA
Quiescent Current in Sleep Mode
• 100ns Minimum On-time
• 4ms Internal Soft-start Time
• Adjustable Frequency 100KHz to 1.1MHz
• External Clock Synchronization
• Frequency Spread Spectrum (FSS) Modulation
for EMI Reduction
• Precision Enable Threshold for Programmable
Input Voltage Under-voltage Lock Out
Protection (UVLO) Threshold and Hysteresis
• Low Dropout Mode Operation
• Derivable Inverting Voltage Regulator
• Over-voltage and Over-Temperature Protection
• Available in an ESOP-8 Package
• New product available: LM61460 60-V, 6-A
synchronous converter
• Synchronous rectification
• Wettable flanks QFN package (WQFN)
• Low quiescent current
0.8 μA in shutdown (typical)
15 μA in active mode with no load (typical)
• Wide voltage conversion range:
tON-MIN = 60 ns (typical)
tOFF-MIN = 70 ns (typical)
• Low MOSFET ON-resistance:
RDS_ON_HS = 53 mΩ (typical)
RDS_ON_LS = 31 mΩ (typical)
• External bias input to improve efficiency
• Pin-selectable auto mode or forced PWM
operation
• Adjustable frequency range: 350 kHz to 2.2 MHz
• Synchronizable to external clock
• Internal compensation
• Power-good flag
• Precision enable to program system UVLO
• Flexible soft-start features:
Start-up into pre-biased load
Fixed or adjustable soft-start time
Output voltage tracking
• Cycle-by-cycle current limiting
• Short-circuit protection with hiccup mode
• Create a custom design with the WEBENCH®
power designer using LM73605 or LM73606
