4.5V to 36V Input, 3A, Synchronous Step Down Converters, SGM61430 Replace LM2576.
SGM61430
SGM61430.pdf
SGM61430.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
• Newer products available:
LMR33630 36-V, 3-A, 400-kHz synchronous
converter
LM76003 60-V, 3.5-A, 2.2-MHz synchronous
converter
• 3.3-V, 5-V, 12-V, 15-V, and adjustable output
versions
• Adjustable version output voltage range,1.23 V to
37 V (57 V for HV version) ±4% maximum over line
and load conditions
• Specified 3-A output current
• Wide input voltage range: 40 V Up to 60 V for HV
version
• Requires only four external components
• 52-kHz fixed-frequency internal oscillator
• TTL-shutdown capability, low-power standby mode
• High efficiency
• Uses readily available standard inductors
• Create a custom design using the LMR33630 or
LM76003 with the WEBENCH® Power Designer
PIN CONFIGUTION
