LTC3850-2 Linear Technology, LTC3850-2 Datasheet - Page 34
![no-image](/images/manufacturer_photos/0/3/388/linear_technology_sml.jpg)
LTC3850-2
Manufacturer Part Number
LTC3850-2
Description
2-Phase Synchronous Step-Down Switching Controller
Manufacturer
Linear Technology
Datasheet
1.LTC3850-2.pdf
(36 pages)
- Current page: 34 of 36
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LTC3850-2
34
TYPICAL APPLICATIONS
V
OUT1
2.5V
5A
L1: TOKO FDV0630 2.2μH
L2: TOKO FDV0630 0.75μH
M1, M2: VISHAY SILICONIX Si4816BDY
C
OUT1
2.2μH
V
C
100μF
X2
12V
IN1
OUT1
L1
3.74k
, C
43.2k
1%
47pF
1%
OUT2
: TAIYO YUDEN JMK325BJ107MM
4.7μF
20k
1%
M1
1.40k
1%
4.7μF
10k
1%
2200pF
Figure 20. 2.5V/5A, 1.2V/5A Core-I/O Converter with Dual Inputs
0.1μF
2.2Ω
0.1μF
1μF
100pF
D3
0.1μF
TG1
BOOST1
SW1
BG1
MODE/PLLIN
SENSE1
SENSE1
RUN1
V
I
V
TH1
TK/SS1
IN
FB1
PGOOD
+
–
LTC3850-2
SGND
EXTV
FREQ/PLLFLTR
CC
SENSE2
SENSE2
BOOST2
TK/SS2
INTV
PGND
RUN2
SW2
V
BG2
TG2
I
TH2
FB2
CC
+
–
0.1μF
D4
10k
1%
3.16k
1%
0.1μF
13.0k
10k
0.1μF
6.04k
1%
2200pF
4.32k
1%
M2
100pF
20k
1%
1.2k
1%
0.75μH
4.7μF
2x
100pF
10k
1%
L2
38502 F20
V
3.3V
IN2
C
100μF
X2
V
1.2V
5A
OUT2
OUT2
38502f
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