4.5~36V Input,3A Synchronous Step down DC/DC with PSM Mode,SGM61431 Replace LMR23630.
SGM61431
SGM61431.pdf
SGM61431.pdfFEATURES
• Wide 4.5V to 36V Input Voltage Range
• Up to 3A Continuous Output Current
• SGM61430:
0.8V to 24V Output Voltage Range
PFM at Light Load Condition
• SGM61431:
0.8V to 24V Output Voltage Range
FPWM at Light Load Condition
• 390kHz Switching Frequency (Normal Operation)
• SYNC Input for External Switching Clock
• Integrated RDSON Switches: 115mΩ/90mΩ (TYP)
• High Efficiency at Light Load Condition
• Ultra-Low Shutdown Current: 0.6μA (TYP)
• Peak Current Mode Control
• Precision Enable Threshold with UVLO Setting
• Cycle-by-Cycle Current Limit
• 1.5ms (TYP) Internal Soft-Start Time
• -40℃ to +125℃ Operating Temperature Range
• Available in a Green SOIC-8 (Exposed Pad) Package
PIN CONFIGUTION
优势替代
FEATURES
• 4 V to 36 V Input Range
• 3 A Continuous Output Current
• Integrated Synchronous Rectification
• Internal Compensation for Ease of Use
• 400 kHz Switching Frequency With PFM and
Forced PWM Mode Options
• Frequency Synchronization to External Clock
• 75 µA Quiescent Current at No Load
• Minimum Switch-On Time: 60 ns
• High Duty Cycle Operation Supported
• Precision Enable Input
• Output Short-Circuit Protection with Hiccup Mode
• Thermal and Overvoltage Protection
• 8-Pin HSOIC with PowerPAD™ Package
PIN CONFIGUTION
