IR3895MPBF IRF [International Rectifier], IR3895MPBF Datasheet - Page 36
IR3895MPBF
Manufacturer Part Number
IR3895MPBF
Description
16A HIGHLY INTERGRATED SUPLRBUCK
Manufacturer
IRF [International Rectifier]
Datasheet
1.IR3895MPBF.pdf
(43 pages)
- Current page: 36 of 43
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TYPICAL OPERATING WAVEFORMS
PVin = 12V, Vo = 1.2V, Iout = 0‐16A, Room Temperature, No Air flow
Figure 41: External frequency synchronization to 800kHz
Figure 39: Feed forward for Vin change from 6.8 to 16V,
from free running 600kHz, Ch
Figure 43: Voltage margining using Vref pin
36
Voltage,Ch
Ch
1
:Vout
AUGUST 08, 2012 | DATA SHEET| Rev 3.1
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
- 36 -P
16A Highly Integrated SupIRBuck
Ch
Figure 44: Voltage tracking using Vp pin
Figure 40: Start/Stop using S_Ctrl Pin,
1
Figure 42: 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
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