Linear Technology DC2117A Demo Manual Download Page 8

8

dc2117af

DEMO MANUAL DC2117A

ITEM

QTY REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Additional Demo Board Circuit Components

1

0

CIN8

CAP, 1812 OPTION

OPTION

2

0

COUT4

CAP, 7343 OPTION

OPTION

3

0

C1, C5, C8, C16

CAP, 0603 OPTION

OPTION

4

0

D1, D2

DIODE, OPTION

OPTION

5

0

L1 - ALTERNATE

IND, 33µH 15%

WURTH ELEKTRONIK 7443643300

6

0

L4

IND, 22µH OPTION

COILCRAFT SER2915H-223KL OPTION

7

0

Q1

XSTR, POWER

OPTION

8

0

Q5

XSTR, NMOS OPTION

OPTION

9

0

Q6, Q7

XSTR, OPTIMOS POWER - TRANSISTOR OPTION

INFINEON IPD320N20N3 G OPTION

10

0

Q12, Q13

XSTR, OPTION

OPTION

11

0

R3, R4, R5, R7, R11, R19, R20, 

R21, R37, R38, R39, R40

RES, 0603 OPTION

OPTION

12

0

R33

RES, 1206 OPTION

OPTION

Hardware: For Demo Board Only

1

11

E2, E3, E4, E5, E6, E7, E8, E9, 

E10, E11, E12

TURRET

MILL-MAX 2501-2-00-80-00-00-07-0

2

3

JP1, JP5, JP8

HEADER, 3PIN, 2mm

SULLINS NRPN031PAEN-RC

3

1

JP2

HEADER, 4PIN 2mm

SULLINS NRPN041PAEN-RC

4

3

JP3, JP6, JP7

HEADER, 2PIN, 2mm

SULLINS NRPN021PAEN-RC

5

1

JP4

HEADER, DOUBLE ROW 2X4 2mm

SULLINS NRPN042PAEN-RC

6

4

J1, J2, J3, J4

JACK, BANANA

KEYSTONE 575-4

7

8

XJP1, XJP2, XJP3, XJP4, XJP5, 

XJP6, XJP7, XJP8

SHUNT, 2mm

SAMTEC 2SN-BK-G

8

4

STANDOFF, SNAP ON

KEYSTONE_8833

parts list

Summary of Contents for DC2117A

Page 1: ...ivers can be adjusted from 5V to 10V to enable the use of logic or standard level MOSFETs to maximize efficiency The EXTVCC pin permits the LTC3895 to be powered from the output of the switch ing regu...

Page 2: ...See Figure 2 for proper scope probe technique 1 Place jumpers in the following positions JP1 ON JP4 FCM JP5 ON JP8 OFF 2 With power off connect the input power supply to VIN and GND 3 Turn on the powe...

Page 3: ...Ceramic Capacitor Demonstration circuit 2117A s mode selector allows the converter to run in forced continuous operation pulse skipping operation Burst Mode operation or Burst Mode operation with adju...

Page 4: ...Inductor DCR Current Sensing CONFIGURATION RS1 R24 R28 C16 R37 R38 R39 R40 Current Sense Resistor Default Ref Sch Ref Sch Ref Sch OPEN OPEN OPEN OPEN OPEN Inductor DCR Current Sensing 0 Copper OPEN O...

Page 5: ...ition The onboard BIAS supply output voltage is 12V Alternatively EXTVCC can also be powered by an external power supply 1 Leave the JP7 OPEN 2 Keep the JP8 at the OFF position 3 Apply a DC voltage 14...

Page 6: ...Figure 4 DC2117A VOUT 1 25A 2 5A Load Transient at VIN 48V Figure 5 DC2117A VOUT 1 25A 2 5A Load Transient at VIN 130V 200 s DIV 20MHz BW 100mV DIV DC2117a F04 VOUT 200 s DIV 20MHz BW 100mV DIV DC211...

Page 7: ...IND 1 H VISHAY IHLP 1616BZER1R0M11 18 3 Q2 Q3 Q4 XSTR N CHANNEL DMOS FET INFINEON BSC520N15NS3G 19 1 RS1 RES 2512 0 006 5 1 4W VISHAY WSL25126L000FEA18 20 1 R1 RES 0603 191k 1 1 10W VISHAY CRCW0603191...

Page 8: ...RANSISTOR OPTION INFINEON IPD320N20N3 G OPTION 10 0 Q12 Q13 XSTR OPTION OPTION 11 0 R3 R4 R5 R7 R11 R19 R20 R21 R37 R38 R39 R40 RES 0603 OPTION OPTION 12 0 R33 RES 1206 OPTION OPTION Hardware For Demo...

Page 9: ...NO REV SHEET OF TITLE APPROVALS PCB DES APP ENG TECHNOLOGY Fax 408 434 0507 Milpitas CA 95035 Phone 408 432 1900 1630 McCarthy Blvd LTC Confidential For Customer Use Only CUSTOMER NOTICE LINEAR TECHN...

Page 10: ...ORY 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 INCIDENTA...

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