ltc3850gn-2 Linear Technology Corporation, ltc3850gn-2 Datasheet - Page 30

• Manufacturer Part Number: ltc3850gn-2
• Description: Dual, 2-phase Synchronous Step-down Switching Controller
• Manufacturer: Linear Technology Corporation

LTC3850-2
TYPICAL APPLICATIONS
30
V
OUT1
3.3V
5A
+
L1: TDK RLF 7030T-2R2M5R4
L2: TDK ULF10045T-3R3N6R9
C
C
OUT1
OUT2
6mΩ
2.2μH
C
220μF
OUT1
L2
63.4k
15pF
: SANYO 4TPE220MF
: SANYO 6TPE150MI
1%
M1
20k
1%
10k
1%
1000pF
4.7μF
Figure 16. 3.3V/5A, 5V/5A Converter Using Sense Resistors
0.1μF
10Ω
10Ω
100pF
1000pF
D3
0.1μF
SW1
MODE/PLLIN
RUN1
TG1
BOOST1
BG1
SENSE1
SENSE1
V
I
TK/SS1
TH1
FB1
V
IN
2.2Ω
LTC3850-2
+
–
PGOOD INTV
SGND
FREQ/PLLFLTR
1μF
SENSE2
SENSE2
BOOST2
TK/SS2
EXTV
RUN2
PGND
SW2
V
CC
TG2
BG2
I
TH2
FB2
CC
+
–
0.1μF
D4
3.16k
1%
10k
1%
0.1μF
1000pF
10Ω
10Ω
15k
1%
1000pF
100pF
M2
20k
1%
10pF
105k
1%
3.3μH
22μF
50V
38502 F16
L2
6mΩ
+
V
7V TO
24V
IN
C
150μF
V
5V
5A
OUT2
OUT2
38502f