IR3894 IRF [International Rectifier], IR3894 Datasheet - Page 33

• Manufacturer Part Number: IR3894
• Description: 12A HIGHLY INTERGRATED SUPLRBUCK
• Manufacturer: IRF [International Rectifier]

Suggested bill of materials for the application circuit
Reference
C1 C5 C6
R5 R6 R7
CVcc
Cvin
Part
Cref
Rpg
Cin
C4
C2
Co
C3
R3
R8
R4
U1
Lo
Rt
33
Qty
1
6
3
1
1
1
4
1
1
1
1
1
4
1
1
1
1
Figure 29: Application Circuit for a 5V to 1V, 12A Point of Load Converter
AUGUST 08, 2012 | DATA SHEET | Rev 3.1
1nF
2200pF
IR3894
330uF
0.4uH
Value
0.1uF
2.2uF
6.8nF
1.0uF
39.2K
49.9K
3.32k
10uF
91pF
47uF
100
2K
0603, 25V, COG, 5%
SMD 11.0x7.2x7.5mm, 0.29mΩ
SMD Electrolytic F size 25V
Thick Film, 0603,1/10W,1%
Thick Film, 0603,1/10W,1%
Thick Film, 0603,1/10W,1%
Thick Film, 0603,1/10W,1%
Thick Film, 0603,1/10W,1%
0805, 6.3V, X5R, 20%
1206, 25V, X5R, 20%
0603, 25V, X7R, 10%
0603, 16V, X5R, 20%
0603, 25V, X7R, 10%
0603, 25V, X5R, 10%
0603, 50V, NP0, 5%
Single‐Input Voltage, Synchronous Buck Regulator
0603,50V,X7R
PQFN 5x6mm
Description
20%
- 33 -`
12A Highly Integrated SupIRBuck
Manufacturer
Murata
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Murata
Murata
Murata
Murata
Vitec
TDK
TDK
TDK
TDK
IR
GRM188R71E104KA01B
GRM1885C1E102JA01D
GRM188R71H222KA01B
GRM188R71H682KA01D
GRM188R61E105KA12D
C3216X5R1E106M
C1608X5R1C225M
C1608C0G1H910J
C2012X5R0J476M
ERJ-3GEYJ202V
ERJ-3EKF3321V
ERJ-3EKF1000V
ERJ-3EKF3922V
ERJ-3EKF4992V
EEV-FK1E331P
IR3894MPBF
Part Number
59PR9875N
IR3894
PD‐97745