LT3799IMSE-1(RevA) 查看數據表（PDF） - Linear Technology
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LT3799IMSE-1 Datasheet PDF : 20 Pages
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LT3799-1
Typical Applications
Universal 20W LED Driver
L2
800µH
L1
33mH
BR1
90V
TO 265V
AC
C1
0.068µF
BR1: DIODES, INC. HD06
D1: CENTRAL SEMICONDUCTOR CMR1U-06M
D2, D3: DIODES INC. BAV20W
DR: CENTRAL SEMICONDUCTOR CMR1U-02M
Z1: FAIRCHILD SMBJ170A
Z2: CENTRAL SEMICONDUCTOR CMZ5937B
T1: COILCRAFT JA4429-AL
M1: FAIRCHILD FDPF15N65
FAULT
R18
100k
C2
0.22µF
R16
32.4k
100k
NTC
R3
499k
R4
499k
R5
3.48k
R9
40.2k
R10
14.3k
R7
100k
R6
D2 20Ω
R8
C4
100k
C5 4.7pF
10µF
R13
D3
2k
VIN
VIN_SENSE
DCM
FB
LT3799-1
R4
100k
R15
4.99k
4:1:1
D4
Z1
170V
D1
VREF
CTRL3
R16
20Ω
GATE
M1
CTRL2
SENSE
CTRL1
INTVCC
GND
C9
4.7µF
RS
0.05Ω C8
2.2nF
C10
560µF
×2
FAULT CT COMP+ COMP–
C7, 0.1µF
1A
4.02k
Z2
33V
37991 TA02
20W
LED
POWER
Component Values for Input Voltage Ranges
R5 (Ω)
Optimized for 110V
6.34k
Optimized for 220V
3.48k
Universal
3.48k
R10 (Ω)
15.8k
24.9k
14.3k
RS (Ω)
0.05
0.075
0.05
C2 (µF)
0.22
0.1
0.22
L1
3.3mH
R20, 10k
90V
TO 270V
AC
R21, 10k
L2, 3.3mH
C1
33nF
BR1 L1
3.3mH
BR1: DIODES, INC. HD06
D1: CENTRAL SEMICONDUCTOR CMMR1U-06
D2, D3: CENTRAL SEMICONDUCTOR BAV20W
D4: CENTRAL SEMICONDUCTOR CMSH2-40L
Z1: DIODES, INC SMAJ150
Z2: CENTRAL SEMICONDUCTOR CMZ5919B
T1: WÜRTH ELEKTRONIK WE-750813002
M1: INFINEON SPU04N60C3
FAULT
Universal Input 4W LED Driver
C2
68nF
R18
100k
R3
499k
R4
499k
R5
3.48k
R7
100k
R6
D2 20Ω
R8
C4
100k
C5 4.7pF
10µF
R13
D3
10k
VIN
VIN_SENSE
DCM
FB
LT3799-1
R9
40.2k
R10
22.1k
VREF
CTRL3
CTRL2
CTRL1
GATE
SENSE
INTVCC
GND
FAULT CT COMP+ COMP–
C6
0.068µF
C7, 0.1µF
20:5:1
R4
100k
R15
4.99k
R16
20Ω
Z1
150V
D1
M1
D4
1A
C10
1500µF
Z2
5.6V
C9
4.7µF
RS
0.3Ω C8
2.2nF
37991 TA03
4W
LED
POWER
For more information www.linear.com/LT3799-1
37991fa
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