lt3517 Linear Technology Corporation, lt3517 Datasheet - Page 17

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lt3517

Manufacturer Part Number
lt3517
Description
Full-featured Led Driver With 1.5a Switch Current
Manufacturer
Linear Technology Corporation
Datasheet

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TYPICAL APPLICATION
V
3V
IN
C1: KEMET C0805C225K4RAC
C2, C5: KEMET C1206C106K4RAC
C3: MURATA GRM21BR71H104KA01B
C4: MURATA GCM033R71A103KA03
D1: ZETEX ZLLS1000TA
L1, L2: TOKO B992AS-4R3N
C2
2.2μF
SHDN
5.5V SEPIC Converter with Short-Circuit Protection
10nF
C4
CTRL
SYNC
SHDN
TGEN
V
10k
R3
V
REF
IN
V
C
PWM
LT3517
GND
4.3μH
L1
SS
SW
ISP
ISN
TG
R
FB
C3
0.1μF
T
10μF
C5
4.3μH
R
6.04k
2MHz
T
L2
D1
C2
10μF
R
0.22Ω
SENSE
3517 TA07a
R1
221k
R2
49.9k
V
5.5V
350mA
OUT
90
80
70
60
50
40
30
0
50
100
Effi ciency
I
150
LOAD
(mA)
200
LT3517
250
17
300
3517 TA07b
3517f
350

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