SIMPLE SWITCHER® 40V, 3.5A Step-Down Converter with 40µA IQ, SCT2432Q Replace LMR14030-Q1.
SCT2432Q
SCT2432Q.pdf
SCT2432Q.pdfFEATURES
• Qualified for Automotive Applications
• AEC-Q100 Qualified with the Following Results:
- Device Temperature Grade 1: -40°C to 125°C
Ambient Operating Temperature Range
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C3
• Wide Input Range: 3.8V-40V
• Up to 3.5A Continuous Output Current
• 0.8V ±1% Feedback Reference Voltage
• Integrated 80mΩ High-Side and 50mΩ Low-Side
Power MOSFETs
• Pulse Skipping Mode (PSM) with 25uA Quiescent
Current in Sleep Mode
• 100ns Minimum On-time
• Programmable Soft-start Time
• Adjustable Frequency 300KHz to 2.2MHz
• 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
PIN CONFIGUTION
优势替代
FEATURES
• Qualified for Automotive Applications
• Device Temperature Grade 1: -40 °C to
125 °C Ambient Operating Temperature Range
• Device HBM ESD Classification Level H1C
• Device CDM ESD Classification Level C4A
• 4 V to 40 V Input Range
• 3.5 A Continuous Output Current
• Ultra-low 40 µA Operating Quiescent Current
• 90 mΩ High-Side MOSFET
• Minimum Switch-On Time: 75 ns
• Current Mode Control
• Adjustable Switching Frequency from 200 kHz to 2.5 MHz
• Frequency Synchronization to External Clock
• Spread Spectrum Option for Reduced EMI
• Internal Compensation for Ease of Use
• High Duty Cycle Operation Supported
• Precision Enable Input
• 1 µA Shutdown Current
• External Soft-start
• Thermal, Overvoltage and Short Protection
• 8-Pin HSOIC with PowerPAD™ Package
PIN CONFIGUTION
