LT1618EMS 데이터 시트보기 (PDF) - Linear Technology
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LT1618EMS Datasheet PDF : 16 Pages
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LT1618
TYPICAL APPLICATIO S
VIN
12V
C1
4.7µF
4.5W Direct Broadcast Satellite (DBS) Power Supply with Short-Circuit Protection
L1
C2
0.068Ω
33µH
1µF
D1
L3
2.2µH
2
7
ISN
SW
3
ISP
LT1618
8
1
VIN
FB
9
SHDN
IADJ GND
45
VC
10
RC
2k
CC
33nF
L2
33µH
ADD 5V
3.3V
RHCP LHCP
0V
R1
100k
R5
R2
24.9k 10k
C3
3.3µF
R3
10k
C4
3.3µF
Q1
MMBT3904
Q1
FMMT717
ZETEX
22kHz
NETWORK
TUNING
D2
MURS110
13.5V/18.5V
R4
1k
C1: TAIYO YUDEN EMK316BJ475
C2: TAIYO YUDEN TMK316BJ105
C3, C4: TAIYO YUDEN TMK325BJ335
D1: ON SEMICONDUCTOR MBRM140
L1, L2: SUMIDA CR54-330
L3: SUMIDA CR43-2R2
(408) 573-4150
(408) 573-4150
(408) 573-4150
(800) 282-9855
(847) 956-0666
(847) 956-0666
1618 TA02a
Efficiency
80
75
70
65
60
0
50 100 150 200 250 300
LOAD CURRENT (mA)
1618 TA02b
sn1618 1618fas
9
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