SGM6230 Datasheet, PDF (5/14 Pages) SG Micro Corp – Step-Down Converter

SGM6230
2A, 38V, 385kHz Step-Down Converter
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 12V, CIN = 22µF, COUT = 47µF and TA = +25°C, unless otherwise noted.
IL
V_OUT
V_IN
VSW
Switching Waveforms
VIN = 12V, VOUT = 3.3V, RLOAD = 2Ω
Time (2μs/div)
Soft-Start Waveforms
Load Transient Response
VOUT
I_L
VOUT
VIN = 12V, VOUT = 3.3V, 1A to 2A Step
Time (200μs/div)
Turn-Off Waveforms
VOUT
IL
VIN = 12V, VOUT = 3.3V, RLOAD = 2Ω
Time (4ms/div)
Efficiency vs. Load Current
100
V_IN = 5V
90
80
V_IN = 12V
70 _{VIN = 24V}
60
50
40
V_OUT =3.3V
L = 10μH
30
0 0.5 1 1.5 2 2.5 3 3.5
Load Current (A)
I_L
VIN = 12V, VOUT = 3.3V, RLOAD = 2Ω
Time (100μs/div)
Efficiency vs. Load Current
100
V_IN = 9V
90
80
V_IN = 12V
70 ^{VIN = 24V}
60
50
V_OUT = 5V
40
L = 10μH
30
0 0.5 1 1.5 2 2.5 3 3.5
Load Current (A)
SG Micro Corp
5
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