Infineon Technologies IR3899 Скачать руководство пользователя страница 7

IRDC3899-P1V2 

9/18/2012 

 
 
 
 
 

                                                        

 

7

 

 Bill of Materials 

Item 

 

Qty

 

Part Reference

 

Value

 

Description

 

Manufacture

r

 

Part Number

 

1

 

1

 

C1

 

330uF

 

SMD Electrolytic F size 25V 20%

 

Panasonic

 

EEV-FK1E331P

 

2

 

4

 

C2 C3 C4 C5 

 

10uF

 

1206, 16V, X5R, 20%

 

TDK

 

C3216X5R1C106M

 

3

 

3

 

C7 C14 C24

 

0.1uF

 

0603, 25V, X7R, 10%

 

Murata

 

GRM188R71E104KA01B

 

C12 

1nF 

0603, 50V, 5%  

 

Murata 

GRM1885C1H102JA01D 

5

 

1

 

C8

 

2200pF

 

0603,50V,X7R

 

Murata

 

GRM188R71H222KA01B

 

6

 

1

 

C11

 

82pF

 

0603, 50V, NP0, 5%

 

Murata

 

GRM1885C1H820JA01D

 

7

 

6

 

C15 C16 C17 C18 C19 

C20

 

47uF

 

0805, 6.3V, X5R, 20%

 

TDK

 

C2012X5R0J476M 

 

8

 

1

 

C23 

 

2.2uF

 

 0603, 16V, X5R, 20%

 

TDK

 

C1608X5R1C225M

 

9

 

1

 

C26

 

4.7nF

 

 0603, 25V, X7R, 10%

 

Murata

 

GRM188R71E472KA01J

 

10

 

1

 

C32

 

1.0uF

 

 0603, 25V, X5R, 10%

 

Murata

 

GRM188R61E105KA12D

 

11

 

1

 

L1

 

1.0uH

 

SMD 6.36x6.56x3mm, 

5.62mΩ

 

Coilcraft

 

XAL6030-102ME 

12

 

1

 

R1

 

5.23K

 

Thick Film, 0603,1/10W,1%

 

Panasonic

 

ERJ-3EKF5231V

 

13

 

2

 

R2 R11

 

5.62K

 

Thick Film, 0603,1/10W,1%

 

Panasonic

 

ERJ-3EKF5621V

 

14

 

2

 

R3 R12

 

4.02K

 

Thick Film, 0603,1/10W,1%

 

Panasonic

 

ERJ-3EKF4021V

 

15

 

1

 

R4

 

100

 

Thick Film, 0603,1/10W,1%

 

Panasonic

 

ERJ-3EKF1000V

 

16

 

1

 

R6 

 

20

 

Thick Film, 0603,1/10W,1%

 

Panasonic

 

ERJ-3EKF20R0V

 

17

 

1

 

R9 

 

60.4K

 

Thick Film, 0603,1/10W,1%

 

Panasonic

 

ERJ-3EKF6042V

 

18

 

5

 

R10 R13 R14 R15 R50

 

0

 

Thick Film, 0603,1/10W

 

Panasonic

 

ERJ-3GEY0R00V

 

19

 

2

 

R17 R18

 

49.9K

 

Thick Film, 0603,1/10W,1%

 

Panasonic

 

ERJ-3EKF4992V

 

20

 

1

 

R19

 

7.5K

 

Thick Film, 0603,1/10W,1%

 

Panasonic

 

ERJ-3EKF7501V

 

21

 

1

 

U1

 

IR3899

 

PQFN 4x5mm

 

IR

 

IR3899MPBF

 

Содержание IR3899

Страница 1: ...external frequency synchronization with smooth clocking internal LDO and pre bias start up Output over current protection function is implemented by sensing the voltage developed across the on resista...

Страница 2: ...vide the desired tracking ratio between output voltage and the tracking input CONNECTIONS and OPERATING INSTRUCTIONS LAYOUT The PCB is a 4 layer board 2 23 x2 using FR4 material All layers use 2 Oz co...

Страница 3: ...IRDC3899 P1V2 9 18 2012 3 Connection Diagram Vin Gnd Gnd Vout Enable VDDQ Vref Sync S Ctrl AGnd PGood Vsns Vcc Vcc Top View Bottom View Fig 1 Connection Diagram of IR3899 98 97 Evaluation Boards...

Страница 4: ...IRDC3899 P1V2 9 18 2012 4 Fig 2 Board Layout Top Layer Fig 3 Board Layout Bottom Layer Single point connection between AGnd and PGnd...

Страница 5: ...IRDC3899 P1V2 9 18 2012 5 Fig 5 Board Layout Mid Layer 2 Fig 4 Board Layout Mid Layer 1...

Страница 6: ...ohm SYNC 1 C16 47uF Agnd 1 C17 47uF R7 N A C18 47uF C19 47uF C20 47uF R13 0 ohm C25 N S C23 2 2uF S_Ctrl 1 C12 1nF A 1 B 1 R18 49 9K C1 330uF 25V R50 0 ohm C27 N S VCC C8 2200pF VCC Input ceramic 1206...

Страница 7: ...7nF 0603 25V X7R 10 Murata GRM188R71E472KA01J 10 1 C32 1 0uF 0603 25V X5R 10 Murata GRM188R61E105KA12D 11 1 L1 1 0uH SMD 6 36x6 56x3mm 5 62m Coilcraft XAL6030 102ME 12 1 R1 5 23K Thick Film 0603 1 10W...

Страница 8: ...Fig 10 Output Voltage Ripple 9A load Ch1 Vout Fig 11 Inductor node at 9A load Ch2 LX Fig 8 Start up at 9A Load Ch1 Vin Ch2 Vo Ch3 Pgood Ch4 Vcc Fig 7 Start up at 9A Load Ch1 Vin Ch2 Vo Ch3 PGood Ch4 E...

Страница 9: ...IRDC3899 P1V2 9 18 2012 9 TYPICAL OPERATING WAVEFORMS Vin 12 0V Vo 1 2V Io 0 9A Room Temperature no air flow Fig 13 Transient Response 0A to 3A step Ch1 Vout Ch4 Iout...

Страница 10: ...IRDC3899 P1V2 9 18 2012 10 TYPICAL OPERATING WAVEFORMS Vin 12 0V Vo 1 2V Io 0 9A Room Temperature no air flow Fig 14 Bode Plot at 9A load shows a bandwidth of 78 13KHz and phase margin of 55 5 degrees...

Страница 11: ...ficiency versus load current TYPICAL OPERATING WAVEFORMS Vin 12 0V Vo 1 2V Io 0 9A Room Temperature no air flow 74 76 78 80 82 84 86 88 90 0 9 1 8 2 7 3 6 4 5 5 4 6 3 7 2 8 1 9 Efficiency Io A 0 0 0 2...

Страница 12: ...IRDC3899 P1V2 9 18 2012 12 THERMAL IMAGES Vin 12 0V Vo 1 2V Io 0 9A Room Temperature No Air flow Fig 17 Thermal Image of the board at 9A load Test point 1 is IR3899 Test point 2 is inductor...

Страница 13: ...be placed to an accuracy of 0 050mm on both X and Y axes Self centering behavior is highly dependent on solders and processes and experiments should be run to confirm the limits of self centering on s...

Страница 14: ...indow in order to accommodate any layer to layer misalignment i e 0 1mm in X Y However for the smaller Signal type leads around the edge of the device IR recommends that these are Non Solder Mask Defi...

Страница 15: ...lder paste to make good solder joints with the ground pad high reductions sometimes create similar problems Stencils in the range of 0 125mm 0 200mm 0 005 0 008 with suitable reductions give the best...

Страница 16: ...90245 USA Tel 310 252 7105 TAC Fax 310 252 7903 This product has been designed and qualified for the Industrial market Visit us at www irf com for sales contact information Data and specifications sub...

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