Texas Instruments manual Board Layout, Shows the SLVP089 board layout

Page 13

Board Layout

1.4 Board Layout

Figure 1–4 shows the SLVP089 board layout.

Figure 1–4. Board Layout

C5 Q1

Q2

 

C11

 

R5

C10

 

R7

 

 

U2

R13

 

 

 

 

 

 

C6

CR1

L1

J1

R12

C14

 

 

 

1

CR3

 

 

 

 

 

R6

 

 

 

 

 

R10

JMP1

 

 

R11 CR2

 

 

C12

C15

 

 

R4

 

TEXAS INSTRUMENTS

R3

U1

 

 

 

 

 

 

 

R9

1

C13

C8

SLVP089

J2

 

C4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TL5001

 

 

 

C3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+3.3V, 3 AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R2

 

 

 

 

 

 

 

 

 

 

 

 

SYNC. RECT BUCK

 

 

 

 

 

 

 

 

 

 

 

 

 

R1

 

 

 

C2

 

 

 

 

 

 

 

 

 

 

R8 EVAL BOARD C9 REV2

C1

Hardware1-5

Image 13
Contents User’s Guide 07/98 Literature Number SLVU001A July Important Notice About This Manual Read This FirstTrademarks Contents Tables FiguresTopic HardwareTypical Synchronous Buck Converter IntroductionSchematic Diagram SchematicInput/Output Connections Power SupplyShows the SLVP089 board layout Board LayoutBill of Materials Bill of MaterialsLoad Regulation and Ripple, 3.3-V 9-V Input Test ResultsPower Switch Turn-On and Delay from Q2 Off Inductor and Output Ripple Page Design Procedure Introduction Operating Specifications Operating SpecificationsDuty Cycle Estimate Design Procedures+ 3 W Controller Functions + DD V O Compensation Network Bode Plot