QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 476
1.25MHZ 3A PEAK SWITCH CURRENT MONOLITHIC STEP-DOWN CONVERTER
C3
10nF
D3 CMDSH-3
R3
2.2k
U1
LT1765EFE
/Shdn
FB
Vc
Gnd
Boost
Vsw
Sync
Vin
R1
10.7k
Vin
Vout
C5
10uF 6.3V X5R 0805
C4
100pF
Ceramic
C2
2.2uF 10V X5R 0805
D1
B220A
R2
10.0k
Ceramic
2.5V @2A
C8
0.22uF
5V +/-10%
L1
CDRH4D28-1R2M
Figure 11.
Modifications to the Demo Circuit that Optimize the Load Response for V
IN
= 5V±10%, V
OUT
= 2.5V at 2A
6
