Linear Technology LTC4412, Demo Manual

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dc1635afc
DEMO MANUAL DC1635A
QUICK START PROCEDURE
U1
LTC4412HV
V
IN
Q1B
SiA921EDJ
JMP2
0Ω
R2
0Ω
SENSE
V
AUX1
V
IN1
GND
C
IN1
0.1µF
R1
680k
C
OUT1
0.1µF
STAT1
V
OUT1
GATE
CTL STAT
Q1A
SiA921EDJ
JMP1
0Ω
U2
LTC4414HV
V
IN
Q3
Si7463DP
JMP4
0Ω
R5
0Ω
SENSE
V
AUX2
V
IN2
GND
C
IN2
0.1µF
R4
100k
C
OUT2
0.1µF
STAT2
DC1635 F02a
V
OUT2
GATE
CTL STAT
Q2
Si7463DP
CIRCUIT A CIRCUIT B
JMP3
0Ω
Figure 2a. Standard Configurations with Automatic Switchover Between Sources
Figure 2b. Optional, Fully-Isolated Configurations with External Logic Control
U1
LTC4412HV
V
IN
Q1B
SiA921EDJ
Q6B
SiA921EDJ
JMP6
0Ω
SENSE
V
AUX1
V
IN1
CTL1
GND
C
IN1
0.1µF
R1
680k
C
OUT1
0.1µF
STAT1
V
OUT1
GATE
CTL STAT
Q1A
SiA921EDJ
Q6A
SiA921EDJ
DUAL PKG DUAL PKG
JMP5
0Ω
U2
LTC4414HV
V
IN
Q3
Si7463DP
Q15
Si7463DP
JMP8
0Ω
SENSE
V
AUX2
V
IN2
CTL2
GND
C
IN2
0.1µF
R4
100k
C
OUT2
0.1µF
STAT2
DC1635 F02b
V
OUT2
GATE
CTL STAT
Q2
Si7463DP
Q14
Si7463DP
JMP7
0Ω
Diodes shown are body diodes of their respective MOSFETs. Do not install extra diodes or the operation of the
power paths may be compromised.