IRDC3621 International Rectifier, IRDC3621 Datasheet - Page 4

BOARD EVAL DUAL SYNC BUCK CTRLR

IRDC3621

Manufacturer Part Number
IRDC3621
Description
BOARD EVAL DUAL SYNC BUCK CTRLR
Manufacturer
International Rectifier
Datasheet

Specifications of IRDC3621

Main Purpose
DC/DC, Step Down
Outputs And Type
2, Non-Isolated
Voltage - Output
1.8V, 2.5V
Current - Output
10A, 10A
Voltage - Input
5.5 ~ 14.5V
Regulator Topology
Buck
Frequency - Switching
400kHz
Board Type
Fully Populated
Utilized Ic / Part
IR3621
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
IR3621 & (PbF)
Note 2: Guaranteed by design but not tested for production.
4
PARAMETER
V
Output Voltage
Output Current
Protection Section
OVP Trip Threshold
OVP Fault Prop Delay
OCSET Current
Hiccup Duty Cycle
Hiccup High Level Threshold
Hiccup Low Level Threshold
Thermal Shutdown Trip Point
Thermal Shutdown Hysteresis
Output Drivers Section
LO Drive Rise Time
HI Drive Rise Time
LO Drive Fall Time
Hi Drive Fall Time
Dead Band Time
OUT3
Internal Regulator
High Side Driver
Low Side Driver
(HDrv)
(LDrv)
Figure 2 - Rise Time, Fall Time and Deadband for Driver Section
9V
2V
9V
2V
Tr
Deadband
OVP
SYMBOL
H_to_L
OVP
I
T
T
T
T
OCSet
T
r(LO)
f(LO)
r(HI)
f(HI)
(delay)
DB
Tf
Output forced to 1.25V
Note2
Hiccup pin pulled high, Note2
Note2
Note2
Note2
Note2
C
C
C
C
See Figure 2
L
L
L
L
=1500pF,Figure 2
=1500pF, Figure 2
=1500pF,Figure 2
=1500pF,Figure 2
Tr
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TEST CONDITION
Tf
REF
Deadband
L_to_H
1.1
MIN
5.8
44
16
2
V
REF
1.15
TYP
6.25
140
20
20
18
18
25
25
50
5
V
REF
1.2
MAX
100
6.7
0.8
24
50
50
50
50
5
V
REF
UNITS
mA
µA
µs
ns
ns
ns
ns
ns
%
V
V
V
V
C
C

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