Linear Technology DC2123B Demo Manual Download Page 6

6

dc2123bfa

DEMO MANUAL DC2123B

PARTS LIST

ITEM QTY REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Required Circuit Components

1

2

CC1, CSS1 

CAP., X7R 33nF 25V 10% 0603

AVX 06033C333KAT1A

2

1

C1 

CAP., X5R 0.47µF 16V 20% 0402

TDK C1005X5R1C474MT

3

3

C2, C12, C13 

CAP., X5R 0.1µF 16V 10% 0402

TDK C1005X5R1C104KT

4

1

C3 

CAP., X5R 1µF 100V 10% 1206

TAIYO YUDEN HMK316BJ105KL-T

5

1

C4 

CAP., X5R 4.7µF 10V 10% 0603

TAIYO YUDEN LMK107BJ475KA

6

2

C6, C7 

CAP., X7S 4.7µF 100V 10% 1210

TDK C3225X7S2A475K200AB

7

2

C10, C11

CAP., ALUM. ELECT. 47µF 80V ± 20%

UNITED CHEMI-CON EMZA800ADA470MJA0G

8

2

C14, C15 

CAP., X5R 4.7µF 50V 20% 1210

TAIYO YUDEN UMK325BJ475MM-T

9

2

C20, C30 

CAP., HYBRID COND. POLYMER 220µF 35V 20% SUN ELECTRONIC INDUSTRIES 35HVP220M

10

1

C29 

CAP., X7R 0.033µF 16V 10% 0402

TDK C1005X7R1C333K

11

2

D1, D2 

SCHOTTKY BARRIER 100V SOD323(SC-90)

NXP SEMI. BAT46WJ

12

1

L1 

INDUCTOR, 10µH SER2900

COILCRAFT, SER2918H-103KL

13

2

M1, M2 

MOSFET-N CHANNEL, 60V, TDSON-8 

INFINEON, BSC100N06LS3 G

14

2

M3, M4 

MOSFET-N CHANNEL, 40V, TDSON-8 

INFINEON, BSC032N04LS

15

1

RC1 

RES., CHIP 7.5k 0.06W 5% 0402

VISHAY CRCW04027K50JNED

16

1

RIN1 

RES., 0.0015Ω 1W 1% 2512

PANASONIC, ERJ-M1WTF1M5U

17

1

RS1 

RES., 0.002Ω 1W 1% 2512

PANASONIC, ERJ-M1WTF2M0U

18

1

RS2 

RES., 0.008Ω 1W 1% 2512

PANASONIC, ERJ-M1WSF8M0U

19

2

R1, R4 

RES., CHIP 499k 0.06W 1% 0603

VISHAY CRCW0603499KFKEA

20

1

R3 

RES., CHIP 88.7k 0.06W 1% 0402

VISHAY CRCW040288K7FKED

21

1

R5 

RES., CHIP 51Ω 0.06W 5% 0402

NIC, NRC04F51R0TRF

22

2

R6, R10 

RES., CHIP 200k 0.06W 5% 0603

VISHAY CRCW0603200KJNEA

23

1

R11 

RES., CHIP 27.4k 0.06W 1% 0402

VISHAY CRCW040227K4FKED

24

1

R16 

RES., CHIP 200k 0.06W 5% 0402

VISHAY CRCW0402200KJNED

25

1

R17 

RES., CHIP 100k 0.06W 5% 0402

VISHAY CRCW0402100KJNED

26

1

R18 

RES., CHIP 147k 0.06W 1% 0402

VISHAY CRCW0402147KFKED

27

1

R19 

RES., CHIP 71.5k 0.06W 1% 0603

VISHAY CRCW060371K5FKEA

28

1

R20 

RES., CHIP 3.83k 0.06W 1% 0402

VISHAY CRCW04023K83FKED

29

1

U1 

I.C., 60V BUCK-BOOST VOLT. REG.

LINEAR TECH. CORP. LT3790EFE#PBF

Summary of Contents for DC2123B

Page 1: ...s an aluminum electrolytic capacitor in addition to ceramic capacitors A two stage L C input filter can easily be added for electro magnetic compatibility The L LT LTC LTM Linear Technology and the Li...

Page 2: ...not set too high 4 Once the proper output voltage is established adjust the input voltage and load within the operating ranges and observe the output voltage regulation ripple volt age efficiency and...

Page 3: ...123bfa DEMO MANUAL DC2123B QUICK START PROCEDURE Figure 1 Proper Measurement Equipment Setup for DC2123B Figure 2 Efficiency VIN 12V VIN 24V LOAD CURRENT A 0 1 2 3 4 5 80 85 90 95 100 EFFICIENCY dc212...

Page 4: ...START PROCEDURE Figure 3 Output Voltage Ripple at 5A Output Current VOUT 24V 25MHz Bandwidth Figure 4 Output Voltage Load Transient Response VOUT 24V IOUT 2 5A to 5A to 2 5A 25MHz Bandwidth VIN 14V VI...

Page 5: ...se resistors to be used for most applications 2 The LT3790 CTRL pin linear range is from 0V to 1 1V andhasaturn offthresholdof50mV typical compared to a 200mV to 1 1V linear range and 175mV typical tu...

Page 6: ...H SER2900 COILCRAFT SER2918H 103KL 13 2 M1 M2 MOSFET N CHANNEL 60V TDSON 8 INFINEON BSC100N06LS3 G 14 2 M3 M4 MOSFET N CHANNEL 40V TDSON 8 INFINEON BSC032N04LS 15 1 RC1 RES CHIP 7 5k 0 06W 5 0402 VIS...

Page 7: ...ONAL 12 0 R2 R23 R24 R26 R32 RES 0603 OPTIONAL 13 1 R7 RES CHIP 0 1206 YAGEO RC1206FR 070RL 14 0 R8 R9 R25 Res 0402 OPTIONAL 15 3 R12 R14 R22 RES CHIP 0 0402 VISHAY CRCW04020000Z0ED 16 2 R13 R21 RES C...

Page 8: ...27 ISN 26 PGND 17 PGND 20 FB 37 TG2 24 SW2 21 BG2 19 BG1 18 SW1 16 TG1 14 BST1 15 BST2 22 CCM 32 VIN 12 INTVCC 13 SGND 30 SGND 39 TEST1 29 E20 GND CSS1 33nF R12 0 Ohm C20 220 F 35V E12 CLKOUT RS1 0 0...

Page 9: ...2 Opt 0603 E22 INTVCC R29 Opt 0603 E24 GND C23 47 F 80V Opt 10mm Dia Surface Mount R30 Opt 0603 M10 SOT 23 Opt L3 4 7 H 7443551470 Wurth Electronik Opt R24 Opt 0603 C24 4 7 F 100V 1210 Opt D5 Opt SOD...

Page 10: ...TUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDE...

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