4.5V to 36V Input, 3A, Synchronous Step Down Converters, SGM61430 Replace LM2576.
SGM61430
SGM61430.pdf
FEATURES
? 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
? 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