Texas Instruments LP38798EVM User Manual Download Page 5

OUT(FB)

2

3

4

5

6

7

8

1

SET

FB

GND(CP)

CP

EN

IN(CP)

V

IN

V

OUT

GND

GND

R1

R2

LP38798SD-ADJ

GND

IN

IN

OUT

OUT

9

10

11

12

V

EN

DAP

+

+

C2

C1

C3

C4

C5

TP1

TP2

TP3

TP4

TP5

J1

J5

J2

J3

J4

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Schematic for LP38798EVAL

Figure 6. Copper Layer 3 (Mid-Layer 2) as Viewed from Top

Figure 7. Copper Layer 4 (Bottom Layer) as Viewed from Top

5

Schematic for LP38798EVAL

5

SNOA914 – March 2013

LP38798EVM User's Guide

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Copyright © 2013, Texas Instruments Incorporated

Summary of Contents for LP38798EVM

Page 1: ...ting the Output Voltage 2 5 Schematic for LP38798EVAL 5 List of Figures 1 LP38798EVM Schematic 3 2 LP38798SD ADJ 12 lead WSON Connection Diagram 3 3 Top Layer as Viewed from Top 3 4 Copper Layer 1 Top Layer as Viewed from Top 4 5 Copper Layer 2 Mid Layer 1 as Viewed from Top 4 6 Copper Layer 3 Mid Layer 2 as Viewed from Top 5 7 Copper Layer 4 Bottom Layer as Viewed from Top 5 List of Tables 1 Bill...

Page 2: ...oad should be connected between the VOUT and GND terminals Under basic evaluation conditions all of the test points can be left open The evaluation board will be in the normal operating mode when input power is applied Use of the ENABLE function is optional Pulling the ENABLE pin low either by connecting to voltage lower than the typical OFF threshold of 1 00V or by connecting directly to ground w...

Page 3: ...3 TP4 TP5 J1 J5 J2 J3 J4 www ti com Setting the Output Voltage Target VOUT R1 R2 Typical VOUT 3 00V 22 6 kΩ 15 0 kΩ 3 008V 3 30V 26 1 kΩ 15 0 kΩ 3 288V 4 70V 44 2 kΩ 15 0 kΩ 4 736V 5 00V 47 5 kΩ 15 0 kΩ 5 000V Figure 1 LP38798EVM Schematic Figure 2 LP38798SD ADJ 12 lead WSON Connection Diagram Figure 3 Top Layer as Viewed from Top 3 SNOA914 March 2013 LP38798EVM User s Guide Submit Documentation F...

Page 4: ... www ti com Figure 4 Copper Layer 1 Top Layer as Viewed from Top Figure 5 Copper Layer 2 Mid Layer 1 as Viewed from Top 4 LP38798EVM User s Guide SNOA914 March 2013 Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 5: ... C5 TP1 TP2 TP3 TP4 TP5 J1 J5 J2 J3 J4 www ti com Schematic for LP38798EVAL Figure 6 Copper Layer 3 Mid Layer 2 as Viewed from Top Figure 7 Copper Layer 4 Bottom Layer as Viewed from Top 5 Schematic for LP38798EVAL 5 SNOA914 March 2013 LP38798EVM User s Guide Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 6: ...tion 08055C103KAT2A 478 1383 1 ND 10nF 10 50V X7R 0805 Connector Jack Banana Emerson Network Power J1 J2 108 0902 001 J151 ND RED Connectivity Solutions Connector Jack Banana Emerson Network Power J3 J4 108 0903 001 J152 ND BLACK Connectivity Solutions Terminal Double Turret 0 109in J5 Keystone Electronics 1502 2 1502 2K ND hole Resistor 47 5kΩ 1 0 125W R1 Vishay Dale CRCW080547K5FKEA 541 47 5KCCT...

Page 7: ...ency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio frequency interference Operation of the equipment may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required t...

Page 8: ... its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this l...

Page 9: ...er you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to this product Also please do not transfer this product unless you give the same notice above to the transferee Please note that if you could not follow the instructions above you will be subject to penalties of Radio Law of Japan Texas Instruments Japan Limited address 24 1 Nishi Shi...

Page 10: ... property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and intended loads Any loads applied outside of the specified output range may result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Plea...

Page 11: ...esponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

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