SC206KSIT
120 kHz Bandwidth, High Voltage Isolation
Current Sensor with Integrated Overcurrent Detection
Fault Enable (FAULT_EN
Pin) Input Low Voltage
Threshold
VIL
VIH
RFEI
0.1×VCC
–
0.8 × VCC
–
–
–
1
V
V
Fault Enable (FAULT_EN
Pin) Input High Voltage
Threshold
–
Fault Enable (FAULT_EN
Pin) Input Resistance
–
–
MΩ
OVERCURRENT CHARACTERISTICS
Set FAULT_EN to low, VOC = 0.25 ×
VCC , COC = 0 F; then run a DC IP
exceeding the corresponding
overcurrent threshold; then reset
FAULT_EN from low to high and
measure the delay from the rising edge
Fault Enable (FAULT_EN
Pin) Delay8
tFED
–
15
μs
¯
of FAULT_EN to the falling edge of
FAULT
Set FAULT_EN to low, VOC = 0.25 ×
VCC , COC = 0 F; then run a DC IP
exceeding the corresponding
Fault Enable (FAULT_EN
Pin) Delay(Non-Latching
overcurrent threshold; then reset
FAULT_EN from low to high and
measure the delay from the rising edge
of FAULT_EN to the falling edge of
tFED(NL
–
150
–
ns
)
9
versions)
FAULT
FAULT_EN set to high for a minimum
of 20 μs before the overcurrent event;
Overcurrent Fault
Response Time
switchpoint set at VOC = 0.25 × VCC
;
tOC
–
–
1.9
–
–
μs
μs
delay from I exceeding overcurrent
P
fault threshold to
V
< 0.4 V,
FAULT
FAULT_EN set to high for a minimum
of 20 μs before the undercurrent event;
switchpoint set at VOC = 0.25 × VCC
delay from IP falling below the
Undercurrent Fault
Response
Time(Non-Latching
versions)
;
tUC
3
threshold to
overcurrent fault
V
> 0.8 ×
V
, without
external
CC
= 330 kΩ
FAULT
COC capacitor, R
PU
Time from VFAULTEN < VIL to
> 0.8 × V , RPU = 330 kΩ
Overcurrent Fault Reset
Delay
tOCR
tOCH
ROC
–
–
2
500
250
–
–
–
–
ns
ns
V
CC
Time from VFAULTEN <VIL to rising edge
FAULT
Overcurrent Fault Reset
Hold Time
V
of
FAULT
Overcurrent Input Pin
Resistance
TA = 25°C, VOC pin to GND
MΩ
VOLTAGE REFERENCE CHARACTERISTICS
TA = 25 °C
reference)
(Not a highly accurate
VZCR
0.48×VCC 0.5×VCC 0.51×VCC
Voltage Reference Output
V
Source current
Sink current
3
50
–
–
–
–
mA
μA
Voltage Reference Output
Load Current
IZCR
Voltage Reference Output
Drift
∆VZCR
–
±10
–
mV
6/13
SECELECTRONICS [ SEC Electronics Inc. ]
