IR3894MTR1PBF International Rectifier, IR3894MTR1PBF Datasheet - Page 32

• Manufacturer Part Number: IR3894MTR1PBF
• Description: 12A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
• Manufacturer: International Rectifier

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

APPLICATION DIAGRAM
Suggested bill of materials for the application circuit
Reference
C1 C5 C6
R1 Rpg
R5 R7
R6 R8
CVcc
Cvin
Part
Cref
Cin
C4
C2
Co
C3
R3
R4
R2
U1
Lo
Rt
32
Qty
Figure 28: Application Circuit for a 12V to 1.2V, 12A Point of Load Converter
1
4
3
1
1
1
8
1
1
1
1
1
2
2
1
1
2
1
1
FEBRUARY 01, 2012 | DATA SHEET | Rev 3.0
1nF
2200pF
0.51uH
IR3894
330uF
220pF
Value
0.1uF
2.2uF
1.0uF
1.82K
4.02K
2.87K
39.2K
49.9K
10uF
22uF
10nF
7.5K
100
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%
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%
- 32 -`
12A Highly Integrated SupIRBuck
Manufacturer
Murata
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Murata
Murata
Murata
Murata
Murata
Vitec
TDK
TDK
TDK
IR
GRM188R71E104KA01B
GRM1885C1E102JA01D
GRM188R71H222KA01B
GRM1885C1H221JA01D
GRM188R61E105KA12D
GRM188R71E103KA01J
C1608X5R1C225M
C3216X5R1E106M
C2012X5R0J226M
ERJ-3EKF1821V
ERJ-3EKF4021V
ERJ-3EKF2871V
ERJ-3EKF1000V
ERJ-3EKF3922V
ERJ-3EKF4992V
ERJ-3EKF7551V
EEV-FK1E331P
IR3894MPBF
Part Number
59PR9876N
IR3894
PD‐97745