ir3831 International Rectifier Corp., ir3831 Datasheet - Page 2

• Manufacturer Part Number: ir3831
• Description: Synchronous Buck Regulator For Ddr Applications
• Manufacturer: International Rectifier Corp.

ORDERING INFORMATION
ABSOLUTE MAXIMUM RATINGS
(Voltages referenced to GND unless otherwise specified)
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02/20/09
PACKAGE INFORMATION
Note1:
Note2:
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the
5mm x 6mm POWER QFN
Vin ……………………………………………………. -0.3V to 25V
Vcc ……………….….…………….……..……….…… -0.3V to 8V (Note2)
Boot
SW
Boot to SW
OCSet
Input / output Pins
PGND to GND ……………...………………………….. -0.3V to +0.3V
Storage Temperature Range ................................... -55°C To 150°C
Junction Temperature Range ................................... -40°C To 150°C (Note2)
ESD Classification …………………………… ……… JEDEC Class 1C
Moisture sensitivity level………………...………………JEDEC Level 3@260 °C
device. These are stress ratings only and functional operation of the device at these or any other
conditions beyond those indicated in the operational sections of the specifications are not implied.
Must not exceed 8V
Vcc must not exceed 7.5V for Junction Temperature between -10
…………………………………………..……… -0.3V to 25V(DC), -4V to 25V(AC, 100ns)
……………………………………..……….…. -0.3V to 33V
………………………………………….……. -0.3V to 30V
DESIGNATOR
……..…………………………….…..….. -0.3V to Vcc+0.3V (Note1)
PACKAGE
M
M
……………………………….. ... -0.3V to Vcc+0.3V (Note1)
Enable
Boot
V
IR3831MTR1PbF
IR3831MTRPbF
DESCRIPTION
IN
PACKAGE
Vp
13
1
14
12
FB COMP Gnd Rt
2
3
Gnd
15
4
PIN COUNT
SW
11
5
15
15
6
SS OCSet
10
8
9
7
o
C and -40
PARTS PER
PGnd
PGood
V
CC
IR3831MPbF
REEL
4000
750
θ
θ
JA
J
o
-
PCB
C
=
35
=
2
o
C
o
C
/
/
W
W
2