Datasheet

LTC3829
36
3829fa
For more information www.linear.com/LTC3829
TYPICAL APPLICATION
D2 CMDSH-3
CLKOUT V
FB
I
TH
ISET DIFFN DIFFP DIFFOUT AVP EXTV
CC
PGOOD ITEMP GND TK/SS
34 13 14 15
1 2
38
4
23 17 37 39
CLKOUT
V
OSENSE
–
V
OSENSE
+
EXTV
CC
PGOOD
ITEMP
SENSE1
+
PLLIN
ILIM
FREQ
MODE
RUN
IFAST
SENSE1
–
SENSE2
+
C21
1000pF
SENSE2
–
SENSE3
+
C22
1000pF
SENSE3
–
C23
1000pF
LTC3829
DIFFOUT
S3N
13.5k
40.2k
0Ω
66.5Ω
TG1 SW1 BG1 TG2 SW2 BG2 TG3
SW3
BG3
D1 CMDSH-3
100k
40.2k
R26 100Ω R25 100Ω R24 100Ω R23 100Ω R22 100Ω R21 100Ω
S3P
S2N S2P S1N S1P
9
47pF
DIFFOUT
20.0k
30.1k
100pF
C
SS
0.1µF
0.1µF
2.2Ω
0.1µF
1nF
5 6 7 8 11 12
18 16 10 35 36
25
3
PLLIN
V
IN
24
INTV
CC
33 32 31 30
BOOST1
TG1
SW1
BG1
INTV
CC
V
IN
RUN MODE
4.7µF
16V
0.1µF
26 27 28 29
BOOST2
TG2
SW2
BG2
D3 CMDSH-3
0.1µF
19 20 21 22
BOOST3
TG3
SW3
BG3
Q1
V
IN
10µF
16V
X5R
L1
0.33µH
R
SENSE1
0.001Ω
R
SENSE2
0.001Ω
R
SENSE3
0.001Ω
Q3
Q4
100µF 6.3V X5R
V
OUT
330µF 2.5V SANYO ×2
+
Q5
V
IN
10µF
16V
X5R
S2P S2N
L2
0.33µH
Q1,Q5,Q9: RJK0305DPB Q3,Q4,Q7,Q8,Q11,Q12: RJK0330DPB
Q7 Q8
100µF 6.3V X5R
V
OUT
1.5V 60A GND
V
OUT
V
OSENSE
–
V
OSENSE
+
10Ω
V
OUT
3829 TA02
330µF 2.5V SANYO ×2
+
Q9
V
IN
10µF
16V
X5R
L3
0.33µH
Q11
Q12
100µF 6.3V X5R
330µF 2.5V SANYO ×2
+
V
IN
180µF 16V
V
IN
7V TO 14V GND
+
180µF 16V
+
S3P S3N S1P S1N
10Ω
1.5V, 60A Converter Using Sense Resistors, f
SW
= 400kHz