IRDC3637 International Rectifier, IRDC3637 Datasheet - Page 2

• Manufacturer Part Number: IRDC3637
• Description: BOARD EVAL SYNC BUCK REGULATOR
• Manufacturer: International Rectifier

Specifications of IRDC3637

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 7A
• Voltage - Input: 4.5 ~ 5.5V
• Regulator Topology: Buck
• Frequency - Switching: 400kHz
• Board Type: Fully Populated
• Utilized Ic / Part: IR3637
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

IR3637SPBF
ABSOLUTE MAXIMUM RATINGS
Vcc Supply Voltage ................................................
Vc Supply Voltage ..................................................
Storage Temperature Range .....................................
Operating Junction Temperature Range .....................
ESD Classification .................................................
Moisture Sensitivity Level ........................................
PACKAGE INFORMATION
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Vcc=5V, Vc=12V and 0°C<Tj<125°C.
PARAMETER
Feedback Voltage
Fb Voltage
Fb Voltage Line Regulation
UVLO
UVLO Threshold - Vcc
UVLO Hysteresis - Vcc
UVLO Threshold - Vc
UVLO Hysteresis - Vc
UVLO Threshold - Fb
Supply Current
Vcc Dynamic Supply Current
Vc Dynamic Supply Current
Vcc Static Supply Current
Vc Static Supply Current
Soft-Start Section
Charge Current
Shutdown Threshold
Note1: Guaranteed by design. Not production tested.
2
Caution:
ratings only and function of the device at these or any other conditions beyond those indicated in the operational sections of the specifica-
tions is not implied. Exposure to “Absolute Maximum Rating” conditions for extended periods may affect device reliability
LDrv
Gnd
Vcc
Fb
θ
θ
1
2
3
4
JA
JC
=154°C/W
=41.2°C/W
Stresses above those listed in “Absolute Maximum Rating” may cause permanent damage to the device. These are stress
8
7
6
5
SS/SD
Comp
Vc
HDrv
UVLO Vcc
UVLO Vc
UVLO Fb
Dyn Icc
SYM
Dyn Ic
L
SS
V
I
SD
I
CCQ
REG
CQ
FB
IB
25°C<Tj<75°C
0°C<Tj<125°C
4.5<Vcc<5.5
Supply Ramping Up
Supply Ramping Up
Fb Ramping Down
Freq=400kHz, C
Freq=400kHz, C
SS=0V
SS=0V
SS=0V
Note1
TEST CONDITION
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Recommended Operating Conditions
Parameter
HMB Class 2 (2KV) JEDEC Standard
JEDEC Level 1 @ 260°C
Vcc
Vc
-65°C To 150°C
16V
0°C To 125°C
L
L
25V
=1500pF
=1500pF
Min
8
4.5
0.792
0.789
MIN
4.0
3.1
0.3
0.5
-15
4
6
1
0.800
0.800
TYP
0.25
4.2
3.3
0.2
0.4
3.3
-25
15
8
1
Max
5.5
14
0.808
0.811
MAX
0.1
4.4
3.5
0.5
4.7
-35
0.4
16
20
6
Units
V
V
UNITS
mA
mA
mA
mA
06/16/05
µA
%
Rev.1.1
V
V
V
V
V
V
V
V