参数资料
型号: IRDC3853
厂商: International Rectifier
文件页数: 25/35页
文件大小: 0K
描述: BOARD EVAL FOR IR3853
标准包装: 1
系列: SupIRBuck™
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 1.8V
电流 - 输出: 0 ~ 4A
输入电压: 12V
稳压器拓扑结构: 降压
频率 - 开关: 600kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: IR3853
PD-97516
IR3853MPbF
Application Diagram:
Vin=12V
R 1
49.9 K
C in = 2 X 10 uF +
330 uF+1x0.1uF
4.5V <Vcc<5.5V
R 2
7.5K
R PG
10 K
PGood
C Vcc
1uF
Seq
Vcc
PGood
Sync
Enable
Vin
Boot
SW
OCSet
Vsns
R OCSet
2.55 K
C6
0.1 uF
R7
4.02 K
R5
2.55 K
Lo
1.5uH
R8
4.02 K
C7
2.2nF
R10
Vo
Co=4X22uF
Vo
C SS
R t
23.7 K
Rt
SS/ SD
Gnd
PGnd
Fb
Comp
C4
8.2 nF
R3
2.43 K
R9
2.55 K
130
0.1 uF
C3
220 pF
Fig. 17. Application circuit diagram for a 12V to 1.8 V, 4A Point Of Load Converter
Suggested Bill of Materials for the application circuit:
Part Reference
Cin
Lo
Co
R1
R2
R t
R PG
C ss C6
R3
C3
C4
R8 R6
R9 R5 Rocset
R10
C7
C Vcc
U1
Quantity
1
2
1
1
4
1
1
1
1
2
1
1
1
2
3
1
1
1
1
Value
330uF
10uF
0.1uF
1.5uH
22uF
49.9k
7.5k
23.7k
10k
0.1uF
2.43k
220pF
8.2nF
4.02k
2.55k
130
2200pF
1.0uF
IR3853
Description
SMD Elecrolytic, Fsize, 25V, 20%
1206, 25V, X5R, 20%
0603, 25V, X7R, 10%
7x7x5mm, 20%, 6.7mOhm
0805, 6.3V, X5R, 20%
Thick Film, 0603,1/10 W,1%
Thick Film, 0603,1/10W,1%
Thick Film, 0603,1/10W,1%
Thick Film, 0603,1/10W,1%
0603, 25V, X7R, 10%
Thick Film, 0603,1/10W,1%
50V, 0603, NPO, 5%
0603, 50V, X7R, 10%
Thick Film, 0603,1/10W,1%
Thick Film, 0603,1/10W,1%
Thick Film, 0603,1/10W,1%
0603, 50V, X7R, 10%
0603, 16V, X5R, 20%
SupIRBuck, 4A, PQFN 4x5mm
Manufacturer
Panasonic
TDK
Panasonic
Cyntec
TDK
Rohm
Rohm
Rohm
Rohm
Panasonic
Rohm
Panasonic
Panasonic
Rohm
Rohm
Panasonic
Panasonic
Panasonic
International Rectifier
Part Number
EEV-FK1E331P
C3216X5R1E106M
ECJ-1VB1E104K
PCMB065T-1R5MS
C2102X5R0J226M
MCR03EZPFX4992
MCR03EZPFX7501
MCR03EZPFX2372
MCR03EZPFX1002
ECJ-1VB1E104K
MCR03EZPFX2431
ECJ-1VC1H221J
ECJ-1VB1H822K
MCR03EZPFX4021
MCR03EZPFX2551
ERJ-3EKF1300V
ECJ-1VB1H222K
ECJ-BVB1C105M
IR3853MPbF
Rev 4.0
25
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