IR3895MTR1PBF International Rectifier, IR3895MTR1PBF Datasheet - Page 35
IR3895MTR1PBF
Manufacturer Part Number
IR3895MTR1PBF
Description
16A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
Manufacturer
International Rectifier
Datasheet
1.IR3895MTR1PBF.pdf
(42 pages)
Specifications of IR3895MTR1PBF
Part Status
Active and Preferred
Package
PQFN / 5 x 6
Circuit
Single Output
Iout (a)
16
Switch Freq (khz)
0 - 1500
Input Range (v)
1.0 - 16
Output Range (v)
0.5 - 12
Pbf
PbF Option Available
TYPICAL OPERATING WAVEFORMS
PVin = 12V, Vo = 1.2V, Iout = 0‐16A, Room Temperature, No Air flow
Figure 40: External frequency synchronization to 800kHz
Figure 38: Feed forward for Vin change from 6.8 to 16V,
from free running 600kHz, Ch
Figure 42: Voltage margining using Vref pin
35
Voltage,Ch
Ch
1
:Vout
FEBRUARY 01, 2012 | DATA SHEET| Rev 3.0
Ch
1
:V
,
3
Ch3:P
:SW Node Voltage
out
, Ch
Good,
2
:V
Ch
1
in
:V
4
o,
:V
Ch2:Rt/Sync
ref
Single‐Input Voltage, Synchronous Buck Regulator
- 35 -P
16A Highly Integrated SupIRBuck
Ch
Figure 43: Voltage tracking using Vp pin
Figure 39: Start/Stop using S_Ctrl Pin,
1
Figure 41: Over Voltage Protection,
:V
out
Ch
, Ch
1
Ch
‐Vout, Ch3:P
2
:Enable, Ch
1
:Vout, Ch
3
Good
3
:PGood
: P
,Ch
Good,
4
Ch
:V
IR3895
p
4
:S_Ctrl
PD‐97746