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59PR9875N Datasheet(PDF) 33 Page - International Rectifier

Part # 59PR9875N
Description  16A Highly Integrated SupIRBuck Single-Input Voltage, Synchronous Buck Regulator
PDF  49 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

59PR9875N Datasheet(HTML) 33 Page - International Rectifier

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IR3448
33
www.irf.com
© 2013 International Rectifier
August 01, 2013
EXTERNALLY BIASED SINGLE SUPPLY
IR3448
Boot
SW
FB
VSNS
Vcc
PGood
Vin
PGND
AGND
CByp
Rt/Sync
Comp
RS+
RS-
RSo
Cpvin2
Lo
Cbyp
Cvcc
Rpg
Rt
Cvin
39.2 K
10 K
10uF
100pF
Vin
0.3uH
7 x 22uF
Cpvin3
0.1uF
1uF
Ren1
21 K
Ren2
41.2 K
Cc3
160pF
Cc2
10nF
Cc1
2200pF
Rbode
20
Rfb2
7.5 K
Rfb1
7.5 K
Rsns2
7.5 K
Rsns1
7.5 K
Rc2
3 K
Rc1
57.6
Vo
PGood
Cpvin1
330uF
PVin
En
OCselect
Cout
6 x 47 uF
Co1
0.1 uF
0.1uF
Rboot
2
Figure 30: Application circuit for a 5V to 1.2V, 13A Point of Load Converter
Suggested bill of material for application circuit 5V to 1.2V
Part Reference
Qty
Value
Description
Manufacturer
Part Number
Cpvin1
1
330uF
SMD, electrolytic, 25V, 20%
Panasonic
EEV-FK1E331P
Cpvin2
7
22uF
1206, 25V, X5R, 10%
Murata
GRM31CR61E226KE15L
Cref
1
100pF
0603, 50V, C0G, 5%
Murata
GRM1885C1H101JA01D
Cvin
1
1.0uF
0603, 25V, X5R, 20%
Murata
GRM188R61E105KA12D
Cvcc
1
10uF
0603, 10V, X5R, 20%
TDK
C1608X5R1A106M
Cpvin3 Cboot Co1
3
0.1uF
0603, 25V, X7R, 10%
Murata
GRM188R71E104KA01D
Cc1
1
2200pF
0603, 50V, X7R, 10%
Murata
GRM188R71H222KA01D
Cc2
1
10nF
0603, 50V, X7R, 10%
Murata
GRM188R71H103KA01D
Cc3
1
160pF
0603, 50V, NPO, 5%
Murata
GRM1885C1H161JA01D
Cout1
6
47uF
0805, 6.3V, X5R, 20%
TDK
C2012X5R0J476M
L0
1
0.300uH
11 x 7.2 x 7.5mm,
DCR=0.29mΩ
Vitec
59PR9874N
Rbode
1
20
Thick Film, 0603, 1/10W, 1%
Panasonic
ERJ-3EKF20R0V
Rboot
1
2
Thick Film, 0603, 1/10W, 5%
Panasonic
ERJ-3GEYJ2R0V
Rc1
1
57.6
Thick Film, 0603, 1/10W, 1%
Panasonic
ERJ-3EKF57R6V
Rc2
1
3K
Thick Film, 0603, 1/10W, 1%
Panasonic
ERJ-3EKF3001V
Ren1
1
21K
Thick Film, 0603, 1/10W, 1%
Panasonic
ERJ-3EKF2102V
Ren2
1
41.2K
Thick Film, 0603, 1/10W, 1%
Panasonic
ERJ-3EKF4122V
Rfb1 Rfb2
Rsns1Rsns1
4
7.5K
Thick Film, 0603, 1/10W, 1%
Panasonic
ERJ-3EKF7501V
Rt
1
39.2K
Thick Film, 0603, 1/10W, 1%
Panasonic
ERJ-3EKF3922V
Rpg
1
10K
Thick Film, 0603, 1/10W, 1%
Panasonic
ERJ-3EKF1002V
U1
1
IR3448
PQFN 5x6mm
International
Rectifier
IR3448MPBF



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