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DR73-100-R Fiches technique(PDF) 3 Page - Analog Devices

No de pièce DR73-100-R
Description  1.2 A, 20 V, 700 kHz/1.4 MHz, Nonsynchronous Step-Down Regulator
PDF  28 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

DR73-100-R Fiches technique(HTML) 3 Page - Analog Devices

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ADP2300/ADP2301
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.
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
VIN
Voltage Range
VIN
3
20
V
Supply Current
IVIN
No switching, VIN = 12 V
640
800
μA
Shutdown Current
ISHDN
VEN = 0 V, VIN = 12 V
18
35
μA
Undervoltage Lockout Threshold
UVLO
VIN rising
2.80
2.95
V
VIN falling
2.15
2.40
V
FB
Regulation Voltage
VFB
TJ = 0°C to +125°C
0.788
0.800
0.812
V
TJ = −40°C to +125°C
0.784
0.800
0.816
V
Bias Current
IFB
0.01
0.1
μA
SW
On Resistance1
VBST − VSW = 5 V, ISW = 150 mA
440
700
mΩ
Peak Current Limit2
VBST − VSW = 5 V, VIN = 12 V
1.5
1.9
2.5
A
Minimum On Time
100
135
ns
Minimum Off Time
ADP2300
145
190
ns
ADP2301
70
120
ns
OSCILLATOR FREQUENCY
ADP2300
0.5
0.7
0.9
MHz
ADP2301
1.0
1.4
1.75
MHz
SOFT START TIME
ADP2300
1460
μs
ADP2301
730
μs
EN
Input Threshold
VEN
1.13
1.2
1.27
V
Input Hysteresis
100
mV
Pull-Down Current
1.2
μA
BOOTSTRAP VOLTAGE
VBOOT
No switching, VIN = 12 V
5.0
V
THERMAL SHUTDOWN
Threshold
140
°C
Hysteresis
15
°C
1 Pin-to-pin measurements.
2 Guaranteed by design.



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