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ADM1075-1ARUZ bảng dữ liệu(PDF) 5 Page - Analog Devices

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ADM1075-1ARUZ bảng dữ liệu(HTML) 5 Page - Analog Devices

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Data Sheet
ADM1075
Rev. A | Page 5 of 52
SPECIFICATIONS
VEE = −48 V, VSENSE = (VSENSE+ − VSENSE−) = 0 mV, shunt regulation current = 10 mA, TJ = −40°C to +105°C, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
SYSTEM SUPPLY
Voltage Transient Immunity
−200
V
Typical Operating Voltage
−80
−35
V
Determined by external component, RSHUNT
SHUNT REGULATOR
Operating Supply Voltage Range, VIN
11.5
12.3
13
V
Shunt regulation voltage, IIN = 5.5 mA to 30 mA,
maximum IIN dependent on TA, θJA (see the Powering the
ADM1075 section)
Quiescent Supply Current
5.5
mA
VIN = 13 V
Undervoltage Lockout, VUVLO_RISING
9.2
V
Undervoltage Lockout Hysteresis
600
mV
Power Directly Without Shunt
9.2
11.5
V
UV PINS—UNDERVOLTAGE DETECTION
Undervoltage Rising Threshold, VUVH
0.99
1.0
1.01
V
Undervoltage Falling Threshold, VUVL
0.887
0.9
0.913
V
Total Undervoltage Hysteresis
100
mV
When UVL and UVH are tied together
Undervoltage Fault Filter
3.5
7.5
μs
UV Propagation Delay
5
8
μs
UV low to GATE pull-down active
UVL/UVH Input Current
1
50
nA
OV PIN—OVERVOLTAGE DETECTION
Overvoltage Rising Threshold, VOVR
0.99
1.0
1.01
V
Overvoltage Hysteresis Current
4.3
5
5.7
μA
Overvoltage Fault Filter
1.75
3.75
μs
OV Propagation Delay
2
4
μs
OV high to GATE pull-down active
OV Input Current
1
50
nA
GATE PIN
Gate Voltage High
11
12
13
V
IGATE = −1.0 μA
Gate Voltage Low
10
100
mV
IGATE = 100 μA
Pull-Up Current
−50
−30
μA
VGATE = 0 V to 8 V; VSS = 2 V
Pull-Down Current (Regulation)
100
μA
VGATE ≥ 2 V
Pull-Down Current (UV/OV/OC)
5
10
mA
VGATE ≥ 2 V
Pull-Down Current (Severe OC)
750
1500
2000
mA
VGATE ≥ 6 V
Pull-Down On-Time (Severe OC)
8
16
μs
Gate Hold-Off Resistance
20
Ω
0 V ≤ VIN ≤ 9.2 V
SENSE+, SENSE−
SENSE+, SENSE− Input Current, ISENSEx
100
μA
VSENSE ≤ 65 mV for ADM1075-1, per individual pin;
VSENSE ≤ 130 mV for ADM1075-2, per individual pin
SENSE+, SENSE− Input Imbalance, IΔSENSEx
1
μA
IΔSENSEx = ISENSE+ − ISENSE−
VCAP
Internally Regulated Voltage, VVCAP
2.66
2.7
2.74
V
0 ≤ IVCAP ≤ 100 μA; CVCAP = 1 μF
ISET
ISET Reference Select Threshold, VISETRSTH
1.35
1.5
1.65
V
If VISET > VISETRSTH an internal 1 V reference (VCLREF) is used
ISET Internal Reference, VCLREF
1
V
Accuracies included in total sense voltage accuracies
Gain of Current Sense Amplifier, AVCSAMP
50/25
V/V
Accuracies included in total sense voltage accuracies
ISET Input Current, IISET
100
nA
VISET ≤ VCAP
ADM1075-1 ONLY (GAIN = 50)
Hot Swap Sense Voltage
Hot Swap Sense Voltage Current Limit,
VSENSECL
19.4
20
20.6
mV
VISET > 1.65 V; VGATE = 3 V; IGATE = 0 μA; VSS ≥ 2 V; VPLIM = 0 V
24.5
25
25.5
mV
VISET = 1.25 V; VGATE = 3 V; IGATE = 0 μA; VSS ≥ 2 V; VPLIM = 0 V
19.5
20
20.5
mV
VISET = 1.0 V; VGATE = 3 V; IGATE = 0 μA; VSS ≥ 2 V; VPLIM = 0 V
14.5
15
15.5
mV
VISET = 0.75 V; VGATE = 3 V; IGATE = 0 μA; VSS ≥ 2 V; VPLIM = 0 V


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