LT3466 Просмотр технического описания (PDF) - Linear Technology
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LT3466 Datasheet PDF : 20 Pages
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LT3466
TYPICAL APPLICATIO S
Li-Ion to 8/8 White LEDs
3V TO 5V
CIN
1µF
L1
47µH
L2
47µH
COUT1
2.2µF
SW1 VIN SW2
VOUT1
VOUT2
LT3466
COUT2
2.2µF
FB1
FB2
CTRL1 RT CTRL2
OFF ON
OFF ON
63.4k
1%
RFB1
10Ω
CIN: TAIYO YUDEN JMK107BJ105
COUT1, COUT2: TAIYO YUDEN GMK325BJ225
L1, L2: TOKO A918CE-470M
RFB2
10Ω
3466 TA05a
Li-Ion to 9/9 White LEDs
3V TO 5V
CIN
1µF
L1
68µH
L2
68µH
COUT1
1µF
SW1 VIN SW2
VOUT1
VOUT2
LT3466
COUT2
1µF
FB1
FB2
CTRL1 RT CTRL2
OFF ON
147k OFF ON
1%
RFB1
16.5Ω
CIN: TAIYO YUDEN JMK107BJ105
COUT1, COUT2: TAIYO YUDEN UMK325BJ105
L1, L2: TOKO A920CY-680M
RFB2
16.5Ω
3466 TA06a
Conversion Efficiency
85
VIN = 3.6V
8/8 LEDs
80
75
70
65
60
55
50
0
5
10
15
20
LED CURRENT (mA)
3466 TA05b
Conversion Efficiency
90
VIN = 3.6V
9/9 LEDs
85
80
75
70
65
60
0
4
8
LED CURRENT (mA)
12
3466 TA06b
3466fa
16
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