International Rectifier IR3847 Скачать руководство пользователя страница 6

IRDC3847-P1V2

4/11/2013

6

Bill of Materials

Item Quantity

Part Reference

Value

Description

Manufacturer

Part Number

1

7

C2 C3 C4 C5 C6 C7 

C57

22uF

1206, 25V, X5R, 10%

Murata

GRM31CR61E226KE15L

2

1

C1  

330uF

SMD Elecrolytic, Fsize, 25V, 

20%

Panasonic

EEV-FK1E331P

3

6

C9 C14 C24 C25 

C37 C33

0.1uF

0603, 25V, X7R, 10%

Murata

GRM188R71E104KA01D

4

1

C8

2200pF

2200pF,0603,50V,X7R

Murata

GRM188R71H222KA01D

5

1

C11

160pF

50V, 0603, NP0, 5%

Murata

GRM1885C1H161JA01D

6

10

C16 C17  C18 C19 
C20  C27 C28 C29 

C30 C36

47uF

0805, 6.3V, X5R, 20%

TDK

C2012X5R0J476M

7

1

C26

8.2nF

0603, 50V, X7R,  10%

Murata

GRM188R71H822KA01D

8

1

L1

0.215uH 0.215uH, DCR=0.29mohm

Cyntec

PCDC1008-R215EMO

9

1

R1

1.91K

0603,1/10W,1%

Panasonic

ERJ-3EKF1911V

10

1

R2

4.22K

0603,1/10W,1%

Panasonic

ERJ-3EKF4221V

11

1

R3

4.22K

0603,1/10W,1%

Panasonic

ERJ-3EKF4221V

12

1

R4

127

0603,1/10W,1%

Panasonic

ERJ-3EKF1270V

13

1

R6

20

0603,1/10 W,1%

Vishay/Dale

CRCW060320R0FKEA

14

1

R9

39.2K

0603,1/10 W,1%

Panasonic

ERJ-3EKF3922V

15

7

R8 R28 R10 R11 

R44 R33 R34 

0

0603,1/10 W,5%

Vishay/Dale

CRCW06030000Z0EA

16

1

C39

1uF

0603, X5R, 25V, 20%

TDK

C1608X5R1E105M

17

1

C66

10uF

0603, X5R, 10V, 20%

TDK

C1608X5R1A106M

18

2

R15 R32

4.22K

0603,1/10 W,1%

Panasonic

ERJ-3EKF4221V

19

2

R30 R31

0

1206,1/4 W, 5%

Yageo

RC1206JR-070RL

20

1

R18

49.9K

0603,1/10 W,1%

Panasonic

ERJ-3EKF4992V

21

1

R19

7.5K

0603,1/10 W,1%

Panasonic

ERJ-3EKF7501V

22

2

R17 R29

10K

0603,1/10 W,1%

Panasonic

ERJ-3EKF1002V

23

1

Jumper

PLUG 40 POS DBL ROW 

STR

Omron Electronics Inc.

XG8W-4041-ND

24

2

Vin+ Vout+

RED

SCREW TERMINAL

Keystone Electronics

8199-2

25

2

Vin- Vout-

BLACK

SCREW TERMINAL

Keystone Electronics

8199-3

26

1

U1

IR3847

IR3847 5mm X6mm

International Rectifier

IR3847MPBF

Содержание IR3847

Страница 1: ...zation with smooth clocking internal LDO true differential remote sensing and pre bias start up A thermally compensated output over current protection function is implemented by sensing the voltage de...

Страница 2: ...d be removed for this purpose CONNECTIONS and OPERATING INSTRUCTIONS LAYOUT The PCB is a 6 layer board All of layers are 2 Oz copper The IR3847 and most of the passive components are mounted on the to...

Страница 3: ...re located close to IR3847 The feedback resistors are connected to the output of the remote sense amplifier of the IR3847 and are located close to the IR3847 To improve efficiency the circuit board is...

Страница 4: ...N S R32 4 22K C36 N S Vcc 1 C34 N S D2 N S 1 2 C51 N S D3 N S 1 2 PVin Vsns R18 49 9K C1 330uF R29 10K R33 0 C27 47uF C8 2200pF U3 IR3847 Vin 17 LGnd 11 Rt Sy nc 4 SW 22 Vcc 18 Comp 8 Vsns 6 PGnd 26 O...

Страница 5: ...N S R23 N S R24 N S R25 N S ExtLoadCtrl 1 M1 IRF6721 N S U2 MIC4452 SO8 N S VS 1 IN 2 GND 4 GND 5 OUT1 6 OUT2 7 VS 8 N A 3 R36 N S R37 N S S3 SW 2 1 3 C47 N S C49 N S R39 N S Vout C48 N S C63 N S Vo_...

Страница 6: ...sonic ERJ 3EKF4221V 11 1 R3 4 22K 0603 1 10W 1 Panasonic ERJ 3EKF4221V 12 1 R4 127 0603 1 10W 1 Panasonic ERJ 3EKF1270V 13 1 R6 20 0603 1 10 W 1 Vishay Dale CRCW060320R0FKEA 14 1 R9 39 2K 0603 1 10 W...

Страница 7: ...nductor node at 25A load Ch2 LX Fig 3 Start up at 25A Load Ch1 Vin Ch2 Vo Ch3 PGood Ch4 Vcc Fig 2 Start up at 25A Load Ch1 Vin Ch2 Vo Ch3 PGood Ch4 Enable Fig 4 Start up with 1 08V Pre Bias 0A Load Ch...

Страница 8: ...RDC3847 P1V2 4 11 2013 8 TYPICAL OPERATING WAVEFORMS Vin 12 0V Vo 1 2V Io 2 5A 12 5A Fsw 600kHz Room Temperature No air flow Fig 8 Transient Response 2 5A to 12 5A step 2 5A us Ch2 Vout Ch4 Iout 10A V...

Страница 9: ...IRDC3847 P1V2 4 11 2013 9 TYPICAL OPERATING WAVEFORMS Vin 12 0V Vo 1 2V Io 15A 25A Fsw 600kHz Room Temperature No air flow Fig 9 Transient Response 15A to 25A step 2 5A us Ch2 Vout Ch4 Iout 10A V...

Страница 10: ...IRDC3847 P1V2 4 11 2013 10 TYPICAL OPERATING WAVEFORMS Vin 12 0V Vo 1 2V Io 0A 25A Fsw 600kHz Room Temperature No air flow Fig 10 Bode Plot at 25A load Fo 108 0kHz Phase Margin 50 2...

Страница 11: ...EFORMS Vin 12 0V Vo 1 2V Io 0A 25A Fsw 600kHz Room Temperature No air flow 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Power Loss W...

Страница 12: ...P1V2 4 11 2013 12 THERMAL IMAGES Vin 12 0V Vo 1 2V Io 0A 25A Fsw 600kHz Room Temperature No air flow Fig 13 Thermal Image of the board at 25A load Test point 1 is IR3847 750C Test point 2 is inductor...

Страница 13: ...3 IR WORLD HEADQUARTERS 233 Kansas St El Segundo California 90245 USA Tel 310 252 7105 TAC Fax 310 252 7903 Visit us at www irf com for sales contact information Data and specifications subject to cha...

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