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ADP2450ASTZ-5-R7 数据表(PDF) 5 Page - Analog Devices

部件名 ADP2450ASTZ-5-R7
功能描述  Power Management IC for Circuit Breaker Applications
PDF  40 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP2450ASTZ-5-R7 数据表(HTML) 5 Page - Analog Devices

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Data Sheet
ADP2450
Rev. B | Page 5 of 40
SPECIFICATIONS
BOOST SHUNT CONTROLLER AND POWER DETECTION SPECIFICATIONS
VIN = 12 V, TJ = −40°C to +125°C for minimum and maximum specifications, and TA = 25°C for typical specifications, unless otherwise noted.
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
POWER INPUT
VIN pin
Input Voltage Range
VIN
4.5
36
V
Quiescent Current1
IQ_VIN
VIN =12 V, FB1 = GND, FB2 = 0.65 V, no switching
1.35
mA
Undervoltage Lockout Threshold (UVLO)2
VIN Rising
2.5
2.7
V
VIN Falling
2.2
2.4
V
FEEDBACK (FB1)
FB1 Regulation Voltage
VFB1
Falling
1.182
1.2
1.218
V
FB1 Hysteresis
19
mV
FB1 Bias Current
IFB1
0.01
0.1
μA
Hysteresis Comparator Response Time
100
ns
BOOST SHUNT DRIVER (DRV)
Rising Time3
CDRV = 2.2 nF, from 0.8 V to 7.2 V
80
ns
Falling Time3
CDRV = 2.2 nF, from 7.2 V to 0.8 V
35
ns
Sourcing Resistor
4
Ω
Sinking Resistor
2
Ω
Peak Source Current4
1
A
Sink Source Current4
1
A
DRV Output High Voltage
VDRV_H
7.6
8
8.4
V
INTERNAL REGULATOR (VREG)
VREG Voltage
VVREG
IVREG = 5 mA
4.7
5
5.3
V
Dropout Voltage
IVREG = 5 mA
27
mV
Regulator Current Limit
200
mA
POWER DETECTION
VPTH Rising Threshold
VPTH_R
1.22
1.25
V
VPTH Falling Threshold
VPTH_F
1.05
1.09
V
VPTH Source Current
VPTH voltage < 1.09 V
4.8
μA
VPTH voltage > 1.22 V
1
μA
Power Detection Deglitch Time
10
μs
DET Output Low Voltage
IDET = 20 mA
0.3
0.55
V
Maximum Sink Current on DET
IDET_MAX
100
mA
ACTUATOR DRIVER (TRG AND GATE)
Input High Voltage
TRG pin
1.2
V
Input Low Voltage
TRG pin
0.4
V
Deglitch Time
TRG pin
30
μs
GATE Maximum Source Current
GATE pin
85
mA
GATE Driver Output Voltage
GATE pin
5
V
THERMAL
Thermal Shutdown Threshold4
150
°C
Thermal Shutdown Hysteresis4
15
°C
1 This current is measured from the VIN pin.
2 This UVLO threshold is only for the boost control block.
3 Bench measurement result.
4 Guaranteed by design, not production tested.



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