参数资料
型号: IRDC3842
厂商: International Rectifier
文件页数: 23/32页
文件大小: 0K
描述: BOARD EVAL SYNC BUCK CONVERTER
产品变化通告: (EP) Parts Discontinuation 25/May/2012
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: 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: IR3842
IR3842MPbF
Application Diagram:
Vin =12 V
R 1
4.99 K
C in = 2 X 10 uF +
330 uF
4.5 V <Vcc<5.5V
R 2
750
Vcc
Enable
Vin
Boot
C6
0.1 uF
Vo
R8
R PG
4.7 K
PGood
PGood
Seq
Rt
IR3842
SW
OCSet
Fb
Lo
1.5uH
R OCSet
2.32 K
3.92 K
R9
C7
2.2nF
R10
130
Co=4X22uF
R t
23.7 K
SS/ SD
Gnd
PGnd
Comp
C4
8.2 nF
R3
2.15 K
2.49 K
C SS
0.1 uF
C3
220 pF
Fig. 16. Application circuit diagram for a 12V to 1.8 V, 4 A Point Of Load Converter
Suggested Bill of Materials for the application circuit:
Part Reference
Cin
Lo
Co
R1
R2
R t
Quantity
1
2
1
4
1
1
1
Value
330uF
10uF
1.5uH
22uF
4.99K
750
23.7k
Description
SMD Elecrolytic, Fsize, 25V, 20%
1206, 16V, X7R, 20%
11.5x10x4mm, 20%, 3.8mOhm
0805, 6.3V, X5R, 20%
Thick Film, 0603,1/10 W,1%
Thick Film, 0603,1/10W,1%
Thick Film, 0603,1/10W,1%
Manufacturer
Panasonic
Panasonic - ECG
Delta
Panasonic- ECG
Rohm
Rohm
Rohm
Part Number
EEV-FK1E331P
ECJ-3YX1C106K
MPO104-1R5
ECJ-2FB0J226ML
MCR03EZPFX4991
MCR03EZPFX7500
MCR03EZPFX2372
R OCSet
1 2.32k
Thick Film, 0603,1/10 W,1%
Rohm
MCR03EZPFX2321
R PG
C ss
R3
C3
C4
R8
R9
R10
C7
U1
1
1
1
1
1
1
1
1
1
1
4.7K
0.1uF
2.15k
220pF
8200pF
3.92K
2.49K
130
2200pF
IR3842
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%
SupIRBuck PQFN 5x6mm
Rohm
Panasonic - ECG
Rohm
Panasonic- ECG
Panasonic - ECG
Rohm
Rohm
Panasonic - ECG
Panasonic - ECG
International Rectifier
MCR03EZPFX4701
ECJ-1VB1E104K
MCR03EZPFX2151
ECJ-1VC1H221J
ECJ-1VB1H822K
MCR03EZPFX3921
MCR03EZPFX2491
ERJ-3EKF1300V
ECJ-1VB1H222K
IR3842MPbF
06/18/09
23
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