SGM2523C
SGM2523D
Programmable Current Limit Switches
ELECTRICAL CHARACTERISTICS
(TJ = -40℃ to +125℃, VIN = 2.6V to 22V, VEN/nFAULT = 2V, RILIM = 95.3kΩ, CSS = Open, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage and Internal Under-Voltage Lockout
Operating Input Voltage
VIN
VUVR
2.6
22
V
V
UVLO Threshold Voltage, Rising
UVLO Hysteresis
2.30
2.42
100
150
0.8
2.60
VUVHYS
IQ_ON
IQ_OFF
mV
µA
µA
Supply Current, Enabled
VEN/nFAULT = 2V, VIN = 12V
VEN/nFAULT = 0V, VIN = 12V
100
230
2
Supply Current, Disabled
Enable and Fault Flag (EN/nFAULT)
EN/nFAULT Threshold Voltage, Rising
EN/nFAULT Threshold Voltage, Falling
VENR
VENF
1.34
1.28
1.39
1.33
1.44
1.38
V
V
EN/nFAULT Threshold Voltage to Reset
Thermal Fault, Falling
VENF_RST
0.54
100
60
V
nA
Ω
EN/nFAULT Input Leakage Current
IEN/nFAULT VEN/nFAULT = 0V to 18V
Device in fault condition, VEN/nFAULT = 0V,
-100
15
0
EN/nFAULT Pull-Down Resistance
REN/nFAULT
29
IEN/nFAULT = 100mA
Soft-Start: Output Ramp Control (SS)
SS Charging Current
ISS
VSS = 0V
0.8
1
1.2
µA
SS to OUT Gain
GAINSS ΔVOUT/ΔVSS
6.10
6.25
6.40
V/V
Current Limit Programming (ILIM)
ILIM Pin Bias Current
IILIM
8.6
9.8
0.1
11
µA
A
R
ILIM = 10kΩ
RILIM = 35.7kΩ
0.23
0.31
0.93
0.90
0.37
0.48
1
0.51
0.64
1.07
1.10
Current Limit
ILIMIT
RILIM = 45.3kΩ
RILIM = 95.3kΩ, TJ = +25℃
RILIM = 95.3kΩ
1
Fast-Trip Comparator Threshold
ILIM Open Resistor Detect Threshold
MOSFET-Power Switch
IFAST-TRIP RILIM in kΩ
2 × ILIMIT
3.0
A
V
VILIM_OPEN VILIM rising, RILIM = Open, VIN = 5V to 22V
2.6
40
3.4
FET On-Resistance
RDS(ON)
75
125
mΩ
Pass FET Output (OUT)
VEN/nFAULT = 0V, VOUT = 0V (Sourcing),
ILKG_OUT
-0.5
-0.5
0.1
0.2
0.5
0.5
TJ = -40℃ to +85℃
VEN/nFAULT = 0V, VOUT = 300mV (Sinking),
OUT Bias Current in Off State
µA
ISINK_OUT
TJ = -40℃ to +85℃
Thermal Shutdown (TSD)
Thermal Shutdown Threshold, Rising
Thermal Shutdown Hysteresis
TTSD
155
20
℃
℃
TTSDHYS
SG Micro Corp
www.sg-micro.com
NOVEMBER 2022
4