LTC3879 Linear Technology Corporation, LTC3879 Datasheet - Page 23

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

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TYPICAL APPLICATIONS
1000pF
10.0k
10.0k
R
R1
C
1000pF
10.0k
10.0k
FB1
R
C1
R1
C
FB1
0.1μF
C1
C
0.1μF
SS
C
SS
R
6.81k
16.9k
76.8k
R
FB2
R
20.0k
95.3k
R2
13k
C
R2
R
FB2
C
576k
R
511k
ON
R
C
100pF
100k
R
ON
C2
C
100pF
100k
PG
R
C2
PG
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
TRACK/SS
PGOOD
V
MODE
I
SGND
I
V
TH
ON
RNG
FB
TRACK/SS
PGOOD
V
MODE
I
SGND
I
V
TH
ON
RNG
FB
LTC3879
LTC3879
BOOST
PGND
INV
BOOST
RUN
PGND
INV
SW
4.5V to 24V Input, 1.8V/10A Output at 500kHz
V
BG
RUN
TG
CC
IN
SW
V
BG
TG
4.5V to 32V Input, 1V/5A Output at 250kHz
CC
IN
16
15
14
13
12
11
10
9
16
15
14
13
12
11
10
9
4.7μF
C
4.7μF
VCC
C
VCC
C
0.22μF
B
C
0.22μF
ZLLS1000
B
CMDSH-3
C
0.1μF
D
F
C
0.1μF
B
D
F
B
2.2Ω
2.2Ω
R
R
F
F
C
C
C
L1: SUMIDA CDEP105NP-0R8MC-50
IN1
OUT1
OUT2
M1
BSC093N04LS
M2
BSC093N04LS
: TDK C3225X5R1E106MT
C
C
C
L1: WURTH 744311220
M1
FDS8690
M2
FDS8670
IN1
OUT1
OUT2
: SANYO 2R5TPE330M9
: MURATA GRM31CR60J107ME39
: MURATA GRM32ER71H475K
: SANYO 2R5TPE330M9
: TDK C3216X5R0J476M
C
330μF
0.8μH
10μF
OUT1
2.5V
C
L1
25V
IN1
C
330μF
2.2μH
4.7μF
OUT1
C
2.5V
L1
50V
+
IN1
+
+
+
C
100μF
6.3V
C
56μF
25V
OUT2
IN2
C
47μF
6.3V
C
22μF
35V
OUT2
IN2
3879 TA03
3879 TA04
V
4.5V TO 24V
V
1.8V
10A
LTC3879
IN
OUT
V
4.5V TO 32V
V
1V
5A
IN
OUT
23
3879f