ADP2384(Rev0) 데이터 시트보기 (PDF) - Analog Devices
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ADP2384 Datasheet PDF : 24 Pages
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Data Sheet
ADP2384
SPECIFICATIONS
VPVIN = 12 V, TJ = −40°C to +125°C for minimum/maximum specifications, and TA = 25°C for typical specifications, unless otherwise noted.
Table 1.
Parameter
PVIN
PVIN Voltage Range
Quiescent Current
Shutdown Current
PVIN Undervoltage Lockout Threshold
FB
FB Regulation Voltage
FB Bias Current
ERROR AMPLIFIER (EA)
Transconductance
EA Source Current
EA Sink Current
INTERNAL REGULATOR (VREG)
VREG Voltage
Dropout Voltage
Regulator Current Limit
SW
High-Side On Resistance1
Low-Side On Resistance1
High-Side Peak Current Limit
Low-Side Negative Current-Limit
Threshold Voltage2
SW Minimum On Time
SW Minimum Off Time
BST
Bootstrap Voltage
OSCILLATOR (RT PIN)
Switching Frequency
Switching Frequency Range
SYNC
Synchronization Range
SYNC Minimum Pulse Width
SYNC Minimum Off Time
SYNC Input High Voltage
SYNC Input Low Voltage
SS
Internal Soft Start
SS Pin Pull-Up Current
PGOOD
Power-Good Range
FB Rising Threshold
FB Rising Hysteresis
FB Falling Threshold
FB Falling Hysteresis
Symbol Test Conditions/Comments
VPVIN
IQ
ISHDN
UVLO
No switching
EN = GND
PVIN rising
PVIN falling
VFB
0°C < TJ < 85°C
−40°C < TJ < 125°C
IFB
gm
ISOURCE
ISINK
VVREG
VPVIN = 12 V, IVREG = 50 mA
VPVIN = 12 V, IVREG = 50 mA
VBST − VSW = 5 V
VVREG = 8 V
tMIN_ON
tMIN_OFF
VBOOT
fSW
fSW
RT = 100 kΩ
ISS_UP
PGOOD from low to high
PGOOD from high to low
PGOOD from low to high
PGOOD from high to low
Min
Typ Max
4.5
20
2.1
2.9
3.6
45
80
120
4.3
4.5
3.5
3.8
0.594 0.6
0.591 0.6
0.01
0.606
0.609
0.1
340
470
600
40
60
80
40
60
80
7.6
8
8.4
340
65
100
135
44
70
11.6 20
4.8
6.1
7.4
20
125
168
200
260
4.5
5
5.5
530
600
670
200
1400
200
1400
100
100
1.3
0.4
1600
2.5
3.2
3.9
Unit
V
mA
µA
V
V
V
V
µA
µS
µA
µA
V
mV
mA
mΩ
mΩ
A
mV
ns
ns
V
kHz
kHz
kHz
ns
ns
V
V
Clock cycles
µA
95
%
5
%
105
%
11.7
%
Rev. 0 | Page 3 of 24
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