Data Sheet
ADP2384
SPECIFICATIONS
VPVIN = 12 V, T J = −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/Comments
Min
Typ
Max
Unit
PVIN
PVIN Voltage Range
Quiescent Current
Shutdown Current
PVIN Undervoltage Lockout Threshold
VPVIN
IQ
ISHDN
UVLO
4.5
2.1
45
20
V
No switching
EN = GND
PVIN rising
PVIN falling
2.9
80
4.3
3.8
3.6
120
4.5
mA
µA
V
3.5
V
FB
FB Regulation Voltage
VFB
IFB
0°C < TJ < 85°C
−40°C < TJ < 125°C
0.594
0.591
0.6
0.6
0.01
0.606
0.609
0.1
V
V
µA
FB Bias Current
ERROR AMPLIFIER (EA)
Transconductance
EA Source Current
EA Sink Current
gm
ISOURCE
ISINK
340
40
40
470
60
60
600
80
80
µS
µA
µA
INTERNAL REGULATOR (VREG)
VREG Voltage
Dropout Voltage
VVREG
VPVIN = 12 V, IVREG = 50 mA
VPVIN = 12 V, IVREG = 50 mA
7.6
65
8
340
100
8.4
V
mV
mA
Regulator Current Limit
135
SW
High-Side On Resistance1
Low-Side On Resistance1
High-Side Peak Current Limit
VBST − VSW = 5 V
VVREG = 8 V
44
11.6
70
20
mΩ
mΩ
4.8
4.5
6.1
20
7.4
A
mV
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
tMIN_ON
tMIN_OFF
125
200
168
260
ns
ns
VBOOT
5
5.5
V
fSW
fSW
RT = 100 kΩ
530
200
600
670
1400
kHz
kHz
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
200
100
100
1.3
1400
kHz
ns
ns
V
0.4
3.9
V
1600
3.2
Clock cycles
µA
ISS_UP
2.5
Power-Good Range
FB Rising Threshold
FB Rising Hysteresis
FB Falling Threshold
FB Falling Hysteresis
PGOOD from low to high
PGOOD from high to low
PGOOD from low to high
PGOOD from high to low
95
5
105
11.7
%
%
%
%
Rev. 0 | Page 3 of 24
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