Datasheet

Data Sheet ADP2386
Rev. A | Page 3 of 24
SPECIFICATIONS
V
PVIN
= 12 V, T
J
= −40°C to +125°C for minimum/maximum specifications, and T
A
= 25°C for typical specifications, unless otherwise noted.
Table 1.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
PVIN
PVIN Voltage Range
V
PVIN
4.5
20
V
Quiescent Current I
Q
No switching 2.4 2.9 3.6 mA
Shutdown Current I
SHDN
EN = GND 50 80 110 µA
PVIN Undervoltage Lockout Threshold UVLO PVIN rising 4.3 4.4 V
PVIN falling 3.6 3.8 V
FB
FB Regulation Voltage V
FB
−40°C < T
J
< 85°C 0.594 0.6 0.606 V
−40°C < T
J
< 125°C 0.591 0.6 0.609 V
FB Bias Current I
FB
0.01 0.1 µA
ERROR AMPLIFIER (EA)
Transconductance g
m
380 480 580 µS
EA Source Current
I
SOURCE
45
60
75
µA
EA Sink Current I
SINK
45 60 75 µA
INTERNAL REGULATOR (VREG)
VREG Voltage
V
VREG
V
PVIN
= 12 V, I
VREG
= 50 mA
7.6
8
8.4
V
Dropout Voltage V
PVIN
= 12 V, I
VREG
= 50 mA 340 mV
Regulator Current Limit 62 100 137 mA
SW
High-Side On Resistance
1
V
BST
− V
SW
= 5 V 44 70 mΩ
Low-Side On Resistance
1
V
VREG
= 8 V 11 18 mΩ
High-Side Peak Current Limit 7.2 9.6 11.5 A
Low-Side Negative Current-Limit
2
2.5 A
SW Minimum On Time t
MIN_ON
125 165 ns
SW Minimum Off Time t
MIN_OFF
200 260 ns
BST
Bootstrap Voltage
V
BOOT
4.6
5
5.4
V
OSCILLATOR (RT PIN)
Switching Frequency f
SW
R
T
= 100 kΩ 540 600 660 kHz
Switching Frequency Range f
SW
200 1400 kHz
SYNC
Synchronization Range 200 1400 kHz
SYNC Minimum Pulse Width
100
ns
SYNC Positive Pulse Maximum Duty Cycle D
MAX_SYNC
50 %
SYNC Input High Voltage 1.3 V
SYNC Input Low Voltage 0.4 V
SS
Internal Soft Start 1600 Clock cycles
SS Pin Pull-Up Current I
SS_UP
2.3 3.2 3.9 µA