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ADP2303ARDZ-5.0-R7 Folha de dados(PDF) 3 Page - Analog Devices

Nome de Peças ADP2303ARDZ-5.0-R7
Descrição Electrónicos  2 A/3 A, 20 V, 700 kHz, Nonsynchronous Step-Down Regulators
PDF  28 Pages
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

ADP2303ARDZ-5.0-R7 Folha de dados(HTML) 3 Page - Analog Devices

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ADP2302/ADP2303
Rev. 0 | Page 3 of 28
SPECIFICATIONS
VIN = 3.3 V, TJ = −40°C to +125°C for minimum/maximum specifications, and TA = 25°C for typical specifications, unless otherwise noted.
Table 1.
Parameters
Symbol
Test Conditions
Min
Typ
Max
Unit
VIN
Voltage Range
VIN
3.0
20
V
Supply Current
IVIN
No switching, VIN = 12 V
720
950
μA
Shutdown Current
ISHDN
VEN = 0 V, VIN = 12 V
24
45
μA
Undervoltage Lockout Threshold
UVLO
VIN rising
2.7
2.9
V
VIN falling
2.2
2.4
V
FB
Regulation Voltage
VFB
ADP230xARDZ (adjustable)
0.788
0.8
0.812
V
ADP230xARDZ-2.5
2.463
2.5
2.538
V
ADP230xARDZ-3.3
3.25
3.3
3.35
V
ADP230xARDZ-5.0
4.925
5.0
5.075
V
Bias Current
IFB
ADP230xARDZ (adjustable)
0.01
0.1
μA
SW
On Resistance1
VBST − VSW = 5 V, ISW = 200 mA
80
120
160
mΩ
ADP2302, VBST − VSW = 5 V
2.7
3.5
4.4
A
Peak Current Limit
ADP2303, VBST − VSW = 5 V
4.6
5.5
6.4
A
Leakage Current
VEN = VSW = 0 V, VIN = 12 V
0.1
5
μA
Minimum On Time
126
170
ns
Minimum Off Time
210
280
ns
OSCILLATOR FREQUENCY
fSW
595
700
805
kHz
SOFT START TIME
2048
Clock cycles
EN
Input Threshold
VEN
1.12
1.2
1.28
V
Input Hysteresis
100
mV
Pull-Down Current
1.2
μA
BOOTSTRAP VOLTAGE
VBOOT
VIN = 12 V
4.7
5.0
5.3
V
PGOOD
PGOOD Rising Threshold
82.5
87.5
92.5
%
PGOOD Hysteresis
2.5
%
PGOOD Deglitch Time2
32
Clock cycles
PGOOD Output Low Voltage
150
300
mV
PGOOD Leakage Current
VPGOOD = 5 V
0.1
1
μA
THERMAL SHUTDOWN
Threshold
Rising temperature
150
°C
Hysteresis
15
°C
1 Pin-to-Pin measurements.
2 Guaranteed by design.



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