IR3894MTR1PBF International Rectifier, IR3894MTR1PBF Datasheet - Page 33
IR3894MTR1PBF
Manufacturer Part Number
IR3894MTR1PBF
Description
12A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
Manufacturer
International Rectifier
Datasheet
1.IR3894MTR1PBF.pdf
(42 pages)
Specifications of IR3894MTR1PBF
Part Status
Active and Preferred
Package
PQFN / 5 x 6
Circuit
Single Output
Iout (a)
12
Switch Freq (khz)
0 - 1500
Input Range (v)
1.0 - 16
Output Range (v)
0.5 - 12
Pbf
PbF Option Available
Available stocks
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Part Number
Manufacturer
Quantity
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TYPICAL OPERATING WAVEFORMS
PVin = 12V, Vo = 1.2V, Iout = 0‐12A, Room Temperature, No Air flow
Figure 33: Inductor node at 12A load, Ch
Figure 31: Start up with Pre Bias Voltage,
Ch
1
33
:Vout, Ch
Figure 29: Start up at 12A Load,
FEBRUARY 01, 2012 | DATA SHEET | Rev 3.0
0A Load, Ch
2
:Vin, Ch
3
:P
1
Good
:V
o
Ch
4
Single‐Input Voltage, Synchronous Buck Regulator
:Enable
1
:SW node
- 33 -`
12A Highly Integrated SupIRBuck
Ch
Figure 32: Output Voltage Ripple,
Figure 34: Short Circuit Recovery,
Figure 30: Start up at 12A Load,
1
: Vout , Ch
Ch
1
‐Vout, Ch
12A Load, Ch
2
:Vin, Ch
4
:Iout (5A/Div)
1
3
:Vout
:P
Good
, Ch
IR3894
4
:V
cc
PD‐97745