Electrical Specifications
Unless otherwise specified: -40°C < TJ < 125°C, VC =12V, CVc = 1uF, CSL = 10pF
Parameter
Symbol Min
Typ
Max
Units
Conditions
FAULT (Continued)
Over-Voltage Threshold Hysteresis
Over-Voltage Bias Current
Fault Output Low Voltage
VOV-HS
25
mV
μA
V
IOV
VFTL
-1
1
0.2
0.5
10
60
IFT=2mA, VC>3.5V
Fault Output High Leakage Current
Fault Delay Time
IFT-LC
tFT-DEL
TFT
μA
μs
°C
°C
VFT=14V
20
40
160
-10
Includes output glitch filter
Over Temperature Fault (1)
Over Temperature Fault Hysteresis(1)
TFT-HS
DIFFERENTIAL AMPLIFIER AND COMPARATORS
Common Mode Input Voltage
Differential Operating Input Voltage
SP Input Bias Current
VCM
VSP-SN
ISP
-0.1
-50
-50
5.5
V
SP to GND & SN to GND
SP-SN
125
mV
μA
μA
V
-37
3.5
SP=SN=1.25V
SP=SN=1.25V
SP=0V
SN Input Bias Current
ISN
8
5.5
-2
5
SN Voltage
VSN
Reverse Comparator Threshold
Reverse Comparator Hysteresis
VRVS-TH
VRVS-HS
tRVS-MS
-10
2
-6
mV
mV
VCM = 3.3V
VCM = 3.3V
V
SP-SN = -50mV step, VBK=0
(minimum blanking)
SP-SN = -50mV step, VBK= VVC
Reverse to Slave Low Delay Time
Reverse to Slave Low Delay Time
160
200
600
ns
ns
V
tRVS-SL
VFWD-TH
VFWD-HS
VOC-TH
430
6
(maximum blanking)
Forward Comparator Threshold
Forward Comparator Hysteresis
2
9
mV
mV
VCM = 3.3V
-5
-2
VCM = 3.3V
VCM = 3.3V
Forward Over Current Comparator
Threshold
Forward Over Current Comparator
Hysteresis
60
-8
66
70
-4
mV
mV
VOC-HS
VCM = 3.3V
SLAVE
VSL = 1V, Normal Operating
Conditions, No Faults
Normal Operating Conditions,
No Faults
Slave Source Current
ISL
-60
4.3
-25
5.5
μA
Slave Output Voltage High
VSL-Hi
V
Slave Output Voltage Low
Slave Hold-off Voltage at VC UVLO
Slave Threshold
VSL-Lo
VSL-UV
VSL-TH
tSL-FL
0.2
0.7
0.5
1
V
V
ISL=4mA
ISL=5μA,1.5V<VC<3.5V
1.75
15
2
V
Slave Fall Time
Slave Low to FET Turn Off Delay (1)
Time Master Mode
Slave Low to FET Turn Off Delay (1)
25
ns
VBK=0
VBK=0
tG-SL
tG-SL
20
30
ns
ns
100
130
VBK=VC
Time Slave Mode
Picor Corporation • picorpower.com
PI2121
Rev. 1.0 Page 4 of 21
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