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SL40307A-R19KHF 数据表(PDF) 38 Page - International Rectifier

部件名 SL40307A-R19KHF
功能描述  Single-Input Voltage, Synchronous Buck Regulator
PDF  53 Pages
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制造商  IRF [International Rectifier]
网页  http://www.irf.com
标志 IRF - International Rectifier

SL40307A-R19KHF 数据表(HTML) 38 Page - International Rectifier

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IR3846
38 www.irf.com
© 2013 International Rectifier
August 01, 2013
EXTERNALLY BIASED SINGLE SUPPLY
IR3846
Boot
SW
FB
VSNS
Vcc
PGood
Vin
PGND
AGND
Vp
Vref
Rt/Sync
Comp
RS+
RS-
RSo
Cpvin2
Cboot
Lo
Cref
Cvcc
Rpg
Rt
Cvin
39.2 K
10 K
10uF
100pF
Vin
0.1uF
0.190uH
7 x 22uF
Cpvin3
0.1uF
1uF
Ren1
21 K
Ren2
41.2 K
Cc3
100pF
Cc2
8.2nF
Cc1
2200pF
Rbode
20
Rfb2
4.53 K
Rfb1
4.53 K
Rsns2
4.53 K
Rsns1
4.53 K
Rc2
3.9 K
Rc1
78.7
Vo
PGood
Cpvin1
330uF
PVin
En
OCselect
Cout
6 x 100 uF
Co1
0.1 uF
Figure 39: Application circuit for a 5V to 1.2V, 21A 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
8.2nF
0603, 50V, X7R, 10%
Murata
GRM188R71H822KA01D
Cc3
1
100pF
0603, 50V, NPO, 5%
Murata
GRM1885C1H101JA01D
Cout1
6
100uF
1206, 6.3V, X5R, 20%
Murata
GRM31CR60J107ME39L
L0
1
0.190uH
10x6.8x7.3mm, DCR=0.20mΩ
Inter-
Technical,LLC
SL40307A-R19KHF
Rbd
1
20
Thick Film, 0603, 1/10W, 1%
Panasonic
ERJ-3EKF20R0V
Rc1
1
78.7
Thick Film, 0603, 1/10W, 1%
Panasonic
ERJ-3EKF78R7V
Rc2
1
3.9K
Thick Film, 0603, 1/10W, 1%
Panasonic
ERJ-3EKF3901V
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
4.53K
Thick Film, 0603, 1/10W, 1%
Panasonic
ERJ-3EKF4531V
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
IR3846
PQFN 5x7mm
International
Rectifier
IR3846MPBF



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