SGM6232 Datasheet, PDF (4/14 Pages) SG Micro Corp – 1.4MHz Step-Down Converter

SGM6232
2A, 38V, 1.4MHz Step-Down Converter
ELECTRICAL CHARACTERISTICS
(VIN = 12V, TA = +25°C, unless otherwise noted.)
PARAMETER
Input Voltage Range
Feedback Voltage
Shutdown Supply Current
Quiescent Supply Current
High-side Switch (M1) On-Resistance
Low-side Switch (M2) On-Resistance
Error Amplifier Transconductance
Error Amplifier Voltage Gain
SW Leakage Current
Current Limit
Current Sense to COMP Transconductance
Maximum Duty Cycle
Minimum Duty Cycle
EN Threshold Voltage
EN Threshold Voltage
EN Pull-Up Current
Oscillator Frequency
Short Circuit Oscillator Frequency
Under-Voltage Lockout Threshold
Under-Voltage Lockout
Threshold Hysteresis
Soft-Start Period
Thermal Shutdown Temperature
SYMBOL
VIN
VFB
I_SHDN
I_Q
RONH
RONL
G_EA
A_EA
ILSW
ILIM
G_CS
D_MAX
DMIN
VIH
V_IL
fOSC
T_SHDN
CONDITIONS
V_EN = 0V
V_EN = 2.6V, V_FB = 1V
∆V_FB = ±12.5mV
VEN = 0V, VSW = 0V
V_FB = 0.6V
VFB = 1V
V_EN = 0V
VFB = 0V
V_IN Rising
CSS = 0.1μF
MIN
4.5
0.776
500
1.2
0.8
1.15
3.5
TYP
0.8
10
0.8
100
10
800
10000
4.2
6.2
80
0
1.4
1.4
140
3.8
230
10
160
MAX
38
0.824
18
1.7
1120
1
0.4
2
1.6
4.2
UNITS
V
V
μA
mA
mΩ
Ω
μA/V
V/V
μA
A
A/V
%
%
V
V
μA
MHz
kHz
V
mV
ms
℃
SG Micro Corp
4
www.sg-micro.com