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ADM1270 Datasheet(PDF) 3 Page - Analog Devices

Part No. ADM1270
Description  High Voltage Input Protection Device
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM1270 Datasheet(HTML) 3 Page - Analog Devices

 
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Data Sheet
ADM1270
Rev. A | Page 3 of 21
SPECIFICATIONS
VCC/VSENSE+ = 4 V to 60 V, VSENSE = (VSENSE+ − VSENSE−) = 0 V, TA = −40°C to +125°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
POWER SUPPLY
Operating Voltage Range
VCC
4
60
V
Quiescent Current
ICC
360
500
μA
GATE on
UV PIN
Input Current
IUV
0.005
0.2
μA
UV ≤ 5.5 V, TA = −40°C to +85°C
0.005
1
μA
UV ≤ 5.5 V, TA = −40°C to +125°C
UV Threshold
UVTH
0.985
1.0
1.015
V
UV falling
UV Threshold Hysteresis
UVHYST
55
60
65
mV
UV Glitch Filter
UVGF
4
7
μs
50 mV overdrive
UV Propagation Delay
UVPD
6
8
μs
UV low to GATE pull-down circuit active
OV PIN
Input Current
IOV
0.005
0.2
μA
OV ≤ 5.5 V, TA = −40°C to +85°C
0.005
1
μA
OV ≤ 5.5 V, TA = −40°C to +125°C
OV Threshold
OVTH
0.985
1.0
1.015
V
OV rising
OV Threshold Hysteresis
OVHYST
25
30
35
mV
OV Glitch Filter
OVGF
0.5
2.0
μs
50 mV overdrive
OV Propagation Delay
OVPD
1.5
2.5
μs
OV high to GATE pull-up circuit active
SENSE−
Input Current
ISENSE−
20
40
70
μA
SENSE− = 60 V
VCAP PIN
Internally Regulated Voltage
VVCAP
3.546
3.6
3.636
V
0 μA ≤ IVCAP ≤ 1 mA, CVCAP = 1 μF
Undervoltage Lockout
UVLO
Rising
UVLORISE
3.4
V
VCC rising
Falling
UVLOFALL
3.0
V
VCC falling
Hysteresis
UVLOHYST
230
mV
ISET PIN
Input Current
IISET
0.005
0.2
μA
VISET ≤ VVCAP, TA = −40°C to +85°C
0.005
1
μA
VISET ≤ VVCAP, TA = −40°C to +125°C
Reference Select Threshold
VISETRSTH
2.55
2.6
2.65
V
If VISET > VISETRSTH, an internal reference (VCLREF) is used
Internal Reference
VCLREF
2
V
Accuracies included in total sense voltage
accuracies
Gain of Current Sense Amplifier
AVCSAMP
40
V/V
Accuracies included in total sense voltage
accuracies
RPFG PIN
Reverse Protection FET Gate Drive
Voltage
VRPFG
0
V
VCC ≤ 10 V
Reverse Protection FET Gate Drive
Voltage Offset
ΔVRPFG
10
12
14
V
ΔVRPFG = VCC − VRPFG, 60 V ≥ VCC ≥ 14 V, IRPFG ≤ 5 μA
RPFG Pull-Down (On) Current
IRPFGND
7
9
12
μA
VRPFG = VCC
GATE PIN
GATE Drive Voltage
ΔVGATE
10
12
14
V
ΔVGATE = VCC − VGATE, 60 V ≥ VCC ≥ 14 V, IGATE ≤ 5 μA
GATE Pull-Down (On) Current
IGATEDN
20
25
30
μA
VGATE = VCC
GATE Pull-Up (Off ) Current
IGATEUP
Regulation
IGATEUP_REG
−50
−65
−80
μA
ΔVGATE ≥ 2 V, (VSENSE+ − VSENSE−) = 70 mV
Fault
IGATEUP_FLT
−7
−13
−20
mA
ΔVGATE = 2 V


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