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ADP2443ACPZN-R7 数据表(PDF) 5 Page - Analog Devices

部件名 ADP2443ACPZN-R7
功能描述  Process control and industrial automation
PDF  25 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP2443ACPZN-R7 数据表(HTML) 5 Page - Analog Devices

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ADP2443
Data Sheet
Rev. 0 | Page 4 of 24
SPECIFICATIONS
VPVIN = 12 V, TJ = −40°C to +125°C for minimum/maximum specifications, TA = 25°C for typical specifications, unless otherwise noted.
Table 1.
Parameters
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
PVIN
PVIN Voltage Range
VPVIN
4.5
36
V
Quiescent Current
IQ
No switching, RAMP connected to PVIN
through a resistor
0.868
1.1
mA
Shutdown Current
ISHDN
EN = GND
28
57
µA
PVIN Undervoltage Lockout Threshold
PVIN rising
4.3
4.45
V
PVIN falling
3.8
3.9
V
FB
Regulation Voltage
VFB
−40°C < TJ < +125°C
0.594
0.6
0.606
V
Bias Current
IFB
0.05
0.2
µA
ERROR AMPLIFIER (EA)
Transconductance
gm
485
515
545
µS
Source Current
ISOURCE
VFB = 0.45 V
50
µA
Sink Current
ISINK
VFB = 0.75 V
50
µA
INTERNAL REGULATOR (VREG)
VREG Voltage
VVREG
VPVIN = 12 V, IVREG = 10 mA
4.9
5
5.1
V
Dropout Voltage
VPVIN = 12 V, IVREG = 30 mA
320
mV
Regulator Current Limit
100
mA
SW
High-Side On Resistance1
RDSON_HS
BST pin voltage (VBST) − VSW = 5 V
98
147
mΩ
Low-Side On Resistance1
RDSON_LS
VVREG = 5 V
35
58
mΩ
Low-Side Valley Current Limit
3.9
4.7
5.1
A
Low-Side Negative Current Limit
2
2.5
3
A
Leakage Current
VSW = 0 V, EN = GND
1.5
7.9
µA
SW Minimum On Time
tMIN_ON
50
65
ns
SW Minimum Off Time
tMIN_OFF
200
235
ns
BST
Bootstrap Voltage
VBOOT
4.65
5
5.2
V
OSCILLATOR (RT/SYNC)
Switching Frequency
fSW
RT = 280 kΩ
540
600
660
kHz
Switching Frequency Range
200
1800
kHz
Synchronization Range
200
1800
kHz
SYNC Minimum Pulse Width
100
ns
SYNC Minimum Off Time
100
ns
SYNC Input Voltage
High
1.3
V
Low
0.4
V
SS
SS Pin Pull-Up Current
ISS
3.0
3.4
3.8
µA
PGOOD
Power-Good Range
FB Rising Threshold
108
110
112
%
FB Rising Hysteresis
5
%
FB Falling Threshold
88
90
92
%
FB Falling Hysteresis
5
%
Power-Good Deglitch Time
Both rising and falling
16
Clock cycles
Power-Good Leakage Current
VPGOOD = 5 V
0.1
1
µA
Power-Good Output Low Voltage
IPGOOD = 1 mA
220
300
mV



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