IR3831WMTR1PBF International Rectifier, IR3831WMTR1PBF Datasheet - Page 28
IR3831WMTR1PBF
Manufacturer Part Number
IR3831WMTR1PBF
Description
IC REG SYNC BUCK 8A 15-QFN
Manufacturer
International Rectifier
Series
SupIRBuck™r
Datasheet
1.IR3831WMTR1PBF.pdf
(32 pages)
Specifications of IR3831WMTR1PBF
Applications
Converter, DDR
Voltage - Input
1.5 ~ 16 V
Number Of Outputs
1
Voltage - Output
0.6 ~ 14.4 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
15-PowerVQFN
Part Status
Preferred
Package
PQFN / 5 x 6
Circuit
Single Output
Iout (a)
8
Switch Freq (khz)
250 - 1500
Input Range (v)
1.5 - 16
Output Range (v)
0.7 - 0.9*Vin
Ocp Otp Uvlo Pre-bias Soft Start And
PGOOD + EN + OVD + DDR Tracking
Server Storage
Yes
Routers Switches
Yes
Base Station Telecom
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
IR3831WMTR1PBFTR
Rev 14.0
Single point
connection between
AGND & PGND,
should be close to
the SupIRBuck, kept
away from noise
sources.
Feedback
trace should
be kept
away form
noise
sources
Analog
Ground
plane
Fig. 26c. IR3831W layout considerations –
Mid Layer 1
Fig. 26b. IR3831W layout considerations –
Bottom Layer
Fig. 26d. IR3831W layout considerations –
Mid Layer 2
IR3831WMPbF
Use separate traces
for connecting Boot
cap and Rocset to the
switch node and with
the minimum length
traces. Avoid big
loops.
AGnd
Power
Ground
Plane
PGnd
Vin
28