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: 115m?/90m? (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
優勢替代
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
