IR3840MTRPBF International Rectifier, IR3840MTRPBF Datasheet - Page 28
IR3840MTRPBF
Manufacturer Part Number
IR3840MTRPBF
Description
IC REG SYNC SUPIRBUCK 12A 5X6QFN
Manufacturer
International Rectifier
Series
SupIRBuck™r
Type
Step-Down (Buck)r
Datasheet
1.IR3840MTR1PBF.pdf
(32 pages)
Specifications of IR3840MTRPBF
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
0.7 ~ 14.4 V
Current - Output
12A
Frequency - Switching
250kHz ~ 1.5MHz
Voltage - Input
1.5 ~ 16 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
15-PowerVQFN
Power - Output
2.6W
Part Status
Active
Package
PQFN / 5 x 6
Circuit
Single Output
Iout (a)
12
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 + SEQ
Server Storage
Yes
Routers Switches
Yes
Base Station Telecom
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
IR3840MTRPBF
Manufacturer:
IR
Quantity:
20 000
06/18/09
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. 25c. IRDC3840 demoboard layout
considerations – Mid Layer 1
Fig. 25b. IRDC3840 demoboard layout
considerations – Bottom Layer
Fig. 25d. IRDC3840 demoboard layout
considerations – Mid Layer 2
Use separate traces
for connecting Boot
cap and Rocset to the
switch node and with
the minimum length
traces. Avoid big
loops.
IR3840MPbF
AGnd
Power
Ground
Plane
PGnd
Vin
28