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dc2469af

DEMO MANUAL DC2469A

PARTS LIST

ITEM

QTY REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Required Circuit Components

1

1

CVIN

Cap, X5R 1µF 50V 10% 0603

Murata, GRM188R61H105KAALD

2

2

C26, C27 

Cap, X7R 4.7µF 50V 10% 1206

Murata, GRM31CR71H475KA12L

3

2

CVIN1, CVIN2 

Cap, X7R 4.7µF 16V 10% 0805

Murata, GRM21BR71C475KA73L

4

1

CVIN3 

Cap, X5R 10µF 6.3V 20% 0603

Murata, GRM188R60J106ME47D

5

4

CVIN4, CVIN5, CVIN6, CVIN7

Cap, X5R 10µF 50V 10% 1206

Murata, GRM31CR61H106KA12L

6

1

C1 

Cap, Alum 22µF 50V 10%

Sun Elect Ind, 50CE22BSS 

7

3

C2, C3, C32

Cap, X7R 0.1µF 50V 10% 0402

Murata, GRM155R71H104KE14J

8

2

C6, C9

Cap, X5R 47µF 16V 10% 1210

Murata, GRM32ER61C476KE15K

9

1

C7 

Cap, Alum 47µF 16V 20%

Sun Elect Ind, 16CE47BS 

10

1

C8

Cap, X7R 0.1µF 50V 10% 0603

Murata, GRM188R71H104KA93D 

11

2

C10, C17

Cap, X7R 0.1µF 16V 10% 0402

Murata, GRM155R71C104KA88D

12

2

C11, C15 

Cap, X7R 47nF 25V 20% 0603

Murata, GRM188R71C473KA01D

13

2

C12, C22

Cap, X5R 47µF 10V 10% 1206

Murata, GRM31CR61A476KE15L

14

3

C13, C19, C23 

Cap, X7R 2.2µF 10V 10% 0402

Murata, GRM155R61A225KE95D

15

1

C18

Cap, X5R 100µF 6.3V 20% 1206

Murata, GRM31CR60J107ME39K

16

2

C20, C21 

Cap, X7R 4.7µF 10V 10% 0603

Murata, GRM188R61A475KE15D

17

1

C25 

Cap, C0G 1500pF 25V 5% 0603

Murata, GRM1885C1E152JA01D

18

1

C29

Cap, C0G 2.2pF 50V ±0.25pF 0603

Murata, GRM1885C1H2R2CA01D

19

1

C30

Cap, C0G 4.7pF 50V ±0.25pF 0603

Murata, GRM1885C1H4R7CA01D

20

1

C31

Cap, C0G 22pF 50V 5% 0603

Murata, GRM1885C1H220JA01D

21

2

C34, C38

Cap, X7R 10µF 50V 10% 1210

Murata, GRM32ER71H106KA12L

22

1

D1 

Schottky Rectifier, 60V, 5A, SOT1289

Nexperia, PMEG060V050EPD

23

2

D2, D3

Schottky Rectifier, 0.2A, SOD523

NXP, PMEG6002EB

24

1

FB1 

BEAD, 4A 1206

Wurth Elektronik, 742792150

25

1

L1

Res, Jumper, Chip, 0Ω 0805

Vishay, CRCW08050000Z0EA

26

1

L2  

Inductor, 3.3µH XEL4030

Coilcraft, XEL4030-332ME

27

1

L3  

Inductor, 1.5µH XEL4030

Coilcraft, XEL4030-152ME

28

1

L4  

Inductor, 1µH NPIM42P

NIC Comp Corp, NPIM42P1R0MTRF 

29

1

L5

Inductor, 1.5µH

Wurth Elektronik, 7448700015

30

1

Q1 

MOSFET-N Channel, PG-TSDSON-8

Infineon, BSZ067N06LS3 G

31

1

R1 

RES, CHIP, 0.008, 1W, 1%, 0815

Susumu, RL3720WT-R008-F

32

4

R2, R3, R4, R5

Res, Chip 24.9k 0.1W 1% 0603

Vishay, CRCW060324K9FKEA 

33

1

R6 

Res, Chip 3.32M 0.1W 1% 0603

Vishay, CRCW06033M32FKEA 

34

1

R7 

Res, Chip 365k 0.1W 1% 0603

Vishay, CRCW0603365KFKEA 

35

1

R8 

Res, Chip 806k 0.1W 1% 0603

Vishay, CRCW0603806KFKEA 

36

5

R9, R11, R13, R14, R19

Res, Chip 200k 0.1W 1% 0603

Vishay, CRCW0603200KFKEA 

37

1

R12 

Res, Chip 464k 0.1W 1% 0603

Vishay, CRCW0603464KFKEA 

38

1

R15

Res, Chip 1M 0.1W 1% 0603

Vishay, CRCW06031M00FKEA 

39

1

R16 

Res, Chip 30.1k 0.1W 1% 0603

Vishay, CRCW060330K1FKEA 

40

1

R17

Res, Chip 187k 0.1W 1% 0603

Vishay, CRCW0603187KFKEA 

41

1

R18

Res, Chip 150k 0.1W 1% 0603

Vishay, CRCW0603150KFKEA 

Summary of Contents for LINEAR DC2469A

Page 1: ...ks are the property of their respective owners PERFORMANCE SUMMARY Many popular features such as soft start cycle by cycle current limit power good for each of the four channels are packed in the 40 l...

Page 2: ...regulators channels 1 2 as well Check if the EN UVLO is set in correct position Check if too much load is applied to VOUT4 SEPIC does not have overcurrent or short circuit protection capability NOTE...

Page 3: ...d 0 at R10 the circuit is set in pulse skipping mode The circuit runs in full frequency with lower load cur rent in this mode To synchronize to an external clock apply the external clock to the SYNC t...

Page 4: ...4 dc2469af DEMO MANUAL DC2469A Figure 1 Proper Measurement Equipment Setup QUICK START PROCEDURE...

Page 5: ...UAL DC2469A Figure 2 Proper Scope Probe Placement for Measuring Input or Output Ripple Figure 3 Thermal Image Top View IOUT1 1A IOUT2 1A IOUT3 1A TA 25 C FSW 2MHz A VIN 6V B VIN 24V QUICK START PROCED...

Page 6: ...urst Mode OPERATION PULSE SKIPPING MODE LOAD CURRENT A 0 0 3 0 5 0 8 1 1 3 1 5 1 8 2 2 3 2 5 30 40 50 60 70 80 90 EFFICIENCY Efficiency VOUT 8V DC2469A F04b Figure 4 Load Transient from 50mA to 450mA...

Page 7: ...C0G 2 2pF 50V 0 25pF 0603 Murata GRM1885C1H2R2CA01D 19 1 C30 Cap C0G 4 7pF 50V 0 25pF 0603 Murata GRM1885C1H4R7CA01D 20 1 C31 Cap C0G 22pF 50V 5 0603 Murata GRM1885C1H220JA01D 21 2 C34 C38 Cap X7R 10...

Page 8: ...ice LT8603EUJ Additional Demo Board Circuit Components 1 0 C4 C5 Cap 0402 2 0 C14 C16 C28 C36 C37 C41 C43 Cap 0603 3 0 C33 Cap 1206 4 0 Q2 NPN MMBT3904 SOT 23 5 0 R10 R20 R25 R26 R29 R30 R31 R35 R38 R...

Page 9: ...1 R38 OPT C27 4 7 F 50V 1206 E4 GND L1 0 0805 C37 OPT C15 47nF X7R R35 OPT 0 R3 24 9k 1 R13 200k 1 E17 SYNC C13 2 2 F 0402 10V C23 2 2 F 0402 10V C43 OPT C12 47 F 10V X5R 1206 R30 OPT JP5 VOUT2 VOUT1...

Page 10: ...disclose or transfer any portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to prom...

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