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PCMB065T-2R2MS Datasheet(PDF) 34 Page - International Rectifier

Part # PCMB065T-2R2MS
Description  Dual output, 4A/Phase, Highly Integrated SupIRBuck
PDF  47 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

PCMB065T-2R2MS Datasheet(HTML) 34 Page - International Rectifier

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Dual output, 4A/Phase, Highly Integrated SupIRBuck
TM
Single-Input Voltage, Synchronous Buck Regulator
IR3891
34
www.irf.com
© 2013 International Rectifier
May 08, 2013
EXTERNALLY BIASED DUAL RAIL
U1
IR3891
L0
SW1
Comp1
FB1
Vsns1
Boot1
EN1
PGood1
Ren12
Ren11
PGood2
EN2
Boot2
SW2
Comp2
FB2
L1
Vsns2
Ren22
Ren21
Cpvin1
Cvcc
Cpvin2
Cpvin3
Cvin
Rfb12
Rc12
Cc13
Cc12
Cc11
Rc22
Rfb22
Rc21
Cc21
Cc22
Cc23
Cboot1
Cboot2
0.1 uF
0.1 uF
49.9 K
Rpg2
2.2 uF
1 uF
49.9 K
Rpg1
2 x 0.1 uF
49.9 K
7.5 K
49.9 K
7.5 K
330 uF
4 x 10 uF
16.5 K
Rsns12
6.34 K
Rsns11
4 x 22 uF
5.6 nF
100 pF
5.9 K
127
1000 pF
16.5 K
6.34 K
Rfb11
Rc11
39.2 K
Rt
Vo1
PVin
PG2
PG1
2.2 uH
1.5 uH
18.2 K
13 K
Rfb21
4 x 22 uF
Vo2
Rsns22
18.2 K
Rbd2
20
Rsns21
13 K
140
1000 pF
100 pF
5.6 nF
3.74 K
Rbd1
20
Cout1
0.1 uF
Co1
Cout2
0.1 uF
Co2
Vin
Figure 30: Application circuit for a 12V to 1.8V and 1.2V, 4A Point of Load Converter using external 5V VCC



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