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LT3909 Datasheet(PDF) 5 Page - Linear Technology

Part # LT3909
Description  2-String 횞 50mA, 2MHz Step-Up LED Driver
PDF  8 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3909 Datasheet(HTML) 5 Page - Linear Technology

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5
dc2176af
DEMO MANUAL DC2176A
parts List
ITEM QTY REFERENCE
PART DESCRIPTION
MANUFACTURER/PART NUMBER
Required Circuit Components
1
1
C1
Cap, 1µF X7R 50V 10% 0805
Murata GRM21BR71H105KA12L
2
1
C2
Cap, 2.2µF X7R 50V 20% 1206
TDK C3216X7R1H225M
3
1
C3
Cap, 1µF X5R 6.3V 20% 0603
TDK C1608X5R0J105M
4
1
L1
Inductor, 6.8µH 4020
Wurth Electronik 74437324068
5
1
R1
Res, Chip 24.9k 0.06W 1% 0603
Vishay CRCW060324K9FKEA
6
1
R2
Res, Chip 976k 0.01W 1% 0603
Vishay CRCW0603976KFKEA
7
1
R3
Res, Chip 31.6k 0.10W 1% 0603
Vishay CRCW060331K6FKEA
8
1
R4
Res, Chip 402k 0.06W 1% 0603
Vishay CRCW0603402KFKEA
9
1
R5
Res, Chip 130k 0.06W 1% 0603
Vishay CRCW0603130KFKEA
10
1
U1
IC, LED Driver DFN(12) (DD) 3mm × 3mm
Linear Technology Corporation LT3909EDD#PBF
Additional Demo Board Circuit Components
1
0
C4 (Opt)
Cap, 10nF X7R 100V 10% 0603
AVX 06031C103KAT2A
2
1
C5
Cap, Tant Polymer 10µF 50V 20% 7343
AVX TCJD106M050R0120
3
0
D1 (Opt)
Schottky Diode, 1A SOD-323
Diodes Inc SBR1A40S3
4
1
R6
Res, Chip 100k 0.06W 5% 0603
Vishay CRCW0603100KJEA
5
0
R7, R9, R10, R11 (Opt)
Res, 0603
6
1
R8
Res, Chip 100k 0.06W 1% 0603
Vishay CRCW0603100KFKEA
7
1
R12
Res, Chip 1k 0.06W 5% 0603
Vishay CRCW06031K00JEA
8
28
R13, R14, R15, R16, R17, R18, R19,
R20, R21, R22, R23, R24, R25, R26,
R27, R28, R29, R30, R31, R32, R33,
R34, R35, R36, R37, R38, R39, R40
Res/Jumper, Chip 0 0.125W 0805
Vishay CRCW08050000ZOEA
Hardware: For Demo Board Only
1
12
E1, E2, E3, E4, E5, E6 ,E7, E8, E9,
E10, E11, E12
Turret, Testpoint
Mill Max 2501-2-00-80-00-00-07-0
2
4
MH1 to MH4
Stand-Off, Nylon 1/4" Tall (Snap On)
Keystone, 8831(Snap On)



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