LT3466 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT3466 Datasheet PDF : 20 Pages
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LT3466
TYPICAL APPLICATIO S
2 Li-Ion Cells to 10/10 White LEDs
6V TO 9V
CIN
1µF
L1
47µH
L2
47µH
COUT1
0.47µF
SW1 VIN SW2
VOUT1
VOUT2
LT3466
COUT2
0.47µF
FB1
FB2
CTRL1 RT CTRL2
OFF ON
63.4k OFF ON
1%
RFB1
CIN: TAIYO YUDEN LMK212BJ105
10Ω
COUT1, COUT2: TAIYO YUDEN UMK316BJ474
L1, L2: TOKO A914BYW-470M
RFB2
10Ω
3466 TA09a
Conversion Efficiency
90 VIN = 7V
85 10/10 LEDs
80
75
70
65
60
55
50
0
5
10
15
20
LED CURRENT (mA)
3466 TA09b
2 Li-Ion Cells to 16/16 White LEDs
6V TO 9V
VLED1
C1
0.1µF
C2
D1
0.1µF
D2
CIN C5
1µF 0.1µF
D3
L1
L2
D4
47µH 47µH
16
LEDs
C3
0.22µF
SW1 VIN SW2
VOUT1
VOUT2
LT3466
FB1
RFB1
10Ω
CTRL1
OFF ON
CIN: TAIYO YUDEN LMK212BJ105
C1, C2, C4, C5: TAIYO YUDEN UMK212BJ104
C3, C6: TAIYO YUDEN UMK316BJ224
D1-D4: PHILIPS BAV99
L1, L2: TOKO A914BYW-470M
FB2
RT CTRL2
38.3k OFF ON
1%
C6
0.22µF
C4
0.1µF
VLED2
16
LEDs
RFB2
10Ω
3466 TA10a
Conversion Efficiency
90 VIN = 7V
85 16/16 LEDs
80
75
70
65
60
55
50
0
5
10
15
20
LED CURRENT (mA)
3466 TA11b
3466fa
18
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