LTC3879 Linear Technology Corporation, LTC3879 Datasheet - Page 24

• Manufacturer Part Number: LTC3879
• Description: Wide Operating Range No RSENSE Step-Down Controller
• Manufacturer: Linear Technology Corporation

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TYPICAL APPLICATIONS
LTC3879
24
1000pF
10.0k
10.0k
R
C
R1
FB1
C1
1000pF
0.1μF
10.0k
R
C
C
FB1
SS
C1
R
32.4k
0.1μF
80.6k
C
10k
FB2
R2
R
SS
C
R
191k
24.9k
FB2
R
C
C
100pF
100k
R
C2
2.7M
R
PG
ON
C
100pF
100k
R
C2
R
715k
PG
1
2
3
4
5
6
7
8
ON
TRACK/SS
PGOOD
V
MODE
I
SGND
I
V
TH
ON
RNG
FB
1
2
3
4
5
6
7
8
TRACK/SS
PGOOD
V
MODE
I
SGND
I
V
TH
ON
LTC3879
RNG
FB
LTC3879
2.7M
BOOST
PGND
INV
RUN
SW
V
BG
BOOST
TG
CC
IN
PGND
INV
RUN
13V to 32V Input, 12V/5A Output at 300kHz
SW
V
BG
TG
16
15
14
13
12
11
10
9
CC
IN
4.5V to 28V Input, 2.5V/5A Output at 500kHz
16
15
14
13
12
11
10
9
4.7μF
C
VCC
4.7μF
C
C
0.22μF
VCC
B
CMDSH-3
C
0.22μF
B
C
0.1μF
D
ZLLS1000
F
B
C
0.1μF
D
F
B
2.2Ω
R
F
2.2Ω
R
F
M1-1
1/2 Si4816BDY
M1-2
1/2 Si4816BDY
C
C
L1: WURTH 744311220
C
C
L1: IHLP5050FD01 10μH
IN1
OUT
IN1
OUT1
M1
BSC093N04LS
M2
BSC093N04LS
: MURATA GRM32ER71H475K
: MURATA GRM32ER71H475K
: MURATA GRM32ER60J107M 2
: SANYO 16SVPA82MAA
4.7μF
C
50V
IN1
2.2μH
4.7μF
C
L1
50V
IN1
10μH
L1
+
+
C
100μF
6.3V
+
OUT
2
C
22μF
35V
C
82μF
16V
IN2
OUT1
C
22μF
35V
IN2
3879 TA06
3879 TA05
V
13V TO 32V
V
12V
5A
IN
OUT
V
4.5V TO 28V
V
2.5V
5A
IN
OUT
3879f