lt1374cr-trpbf Linear Technology Corporation, lt1374cr-trpbf Datasheet - Page 18

• Manufacturer Part Number: lt1374cr-trpbf
• Description: 4.5a, 500khz Step-down Switching Regulator
• Manufacturer: Linear Technology Corporation

LT1374
APPLICATIONS
18
PLACE FEEDTHROUGHS
AROUND GND TAB,
C3, D1 FOR GOOD
CONDUCTIVITY
THERMAL
KELVIN SENSE
V
U
OUT
V
V
INFORMATION
OUT
IN
U
D2
C4
R2
Figure 5c. Suggested Layout (Topside Only Shown) DD
W
HIGH CURRENT CMPONENTS OR PATHS
AWAY FROM ANY HIGH FREQUENCY,
V
R3
MINIMIZE LT1374 C3, D1 LOOP
KEEP FB AND V
IN
C3
CONNECT TO GND PLANE
Figure 6. High Speed Switching Path
7 6 5 4
TAB IS GND
U
CIRCULATING
U1
FREQUENCY
C
SWITCH NODE
COMPONENTS
HIGH
PATH
3 2 1
D1
C
R
C2
C
L1
C
C
LOAD
L1
C5
1374 F06
5V
GND
C6
V
OUT
1374 F05c
TAKE OUTPUT
DIRECTLY FROM
END OF OUTPUT
CAPACITOR
1374fd