LT1374C Linear Technology, LT1374C Datasheet - Page 16

• Manufacturer Part Number: LT1374C
• Description: 4.5A/ 500kHz Step-Down Switching Regulator
• Manufacturer: Linear Technology

LT1374
APPLICATIONS
16
GROUND PLANE
CONNECT TO
GND
AWAY FROM HIGH FREQUENCY,
KEEP FB AND V
HIGH CURRENT COMPONENTS
AROUND GND PIN FOR GOOD
V
THERMAL CONDUCTIVITY
IN
U
PLACE FEEDTHROUGHS
INFORMATION
U
C
COMPONENTS
W
C3
Figure 5. Suggested Layout (Topside Only Shown)
MINIMIZE LT1374, C3, D1 LOOP
V
C1
IN
1
Figure 6. High Speed Switching Path
R3
R2
U
U1
CIRCULATING
FREQUENCY
SWITCH NODE
HIGH
PATH
D1
D2
C4
L1
L1
C5
LOAD
1374 F06
5V
GROUND PLANE
CONNECT TO
GND
KELVIN SENSE
V
OUT
V
C6
OUT
DIRECTLY FROM
END OF OUTPUT
TAKE OUTPUT
CAPACITOR
13745 F05