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IR3863MPBF
Electrical Specifications (continued)
Unless otherwise specified, these specification apply over VIN = 12V, 4.5V<VCC<5.5V, 0 o C ≤ T J ≤ 125 o C.
PARAMETER
NOTE
TEST CONDITION
MIN
TYP
MAX
UNIT
GATE DRIVE
Deadtime
1
Monitor body diode conduction
5
30
ns
on PHASE pin
BOOTSTRAP PFET
Forward Voltage
I(BOOT) = 10mA
300
mV
UPPER MOSFET
Static Drain-to-Source On-
VCC = 5V, I D = 5A, T J = 25 o C
21.1
26
m Ω
Resistance
LOWER MOSFET
Static Drain-to-Source On-
VCC = 5V, I D = 5A, T J = 25 o C
20.1
25
m Ω
Resistance
FAULT PROTECTION
ISET Pin Output Current
ISET Pin Output Current
1
On the basis of 25 o C
On the basis of 25 o C
17
19
4400
21
μA
ppm/
Temperature Coefficient
o C
Under Voltage Threshold
Under Voltage Hysteresis
1
Falling V FB & Monitor PGOOD
Rising V FB
0.37
0.4
7.5
0.43
V
mV
Over Voltage Threshold
Rising V FB & Monitor PGOOD
0.586 0.625 0.655
V
Over Voltage Hysteresis
1
Falling V FB
7.5
mV
VCC Turn-on Threshold
VCC Turn-off Threshold
-40 o C to 125 o C
3.9
3.6
4.2
3.9
4.5
4.2
V
V
VCC Threshold Hysteresis
300
mV
EN Rising Threshold
-40 o C
to
125 o C
1.1
1.25
1.45
V
EN Hysteresis
400
mV
EN Input Current
PGOOD Pull Down
EN = 3.3V
25
15
50
μA
Ω
Resistance
PGOOD Delay Threshold
(V SS )
1
V
Thermal Shutdown
1
125
140
o C
Threshold
Thermal Shutdown
1
20
o C
Threshold Hysteresis
Note 1: Guaranteed by design, not tested in production
Note 2: Upgrade to industrial/MSL2 level applies from date codes 1227 (marking explained on
application note AN1132 page 2). Products with prior date code of 1227 are qualified with MSL3
for Consumer Market.
8/8/2012 Rev3.2
6
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