L5101 查看數據表（PDF） - Unisonic Technologies
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L5101 Datasheet PDF : 9 Pages
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L5101
TYPICAL CHARACTERISTICS
Supply Current vs. Supply Voltage(V)
70
60
FB=VIN
50
40
Non-Switching
30
2
3
4
5
6
Supply Voltage(V)
RDS-ON vs. Supply Voltage (V)
1.4
1.3
1.2
1.1
1.0
0.9
0.8
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (V)
3 LEDs Efficiency vs. LED Current
90
85
VIN = 3.0V
80
75
VIN = 4.2V
VIN = 3.6V
70
3 LEDs, 10μH
65
L1: 976AS-100M, TOKO
D1: RB521S-30, ROHM
60
0
5
10
15
20
LED Current (mA)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
LINEAR INTEGRATED CIRCUIT
Supply Current vs. Supply Voltage (V)
1.6
FB=GND
1.4
1.2
1.0
0.8
0.6
Switching
2
3
4
5
6
Supply Voltage(V)
3 LEDs Efficiency vs. LED Current
90
VIN = 4.2V
85
80
75
VIN = 3.0V
VIN = 3.6V
70
3 LEDs, 6.8μH
65
L1: 976AS-6R8M, TOKO
D1: RB521S-30, ROHM
60
0
5
10
15
20
LED Current (mA)
4 LEDs Efficiency vs. LED Current
90
VIN = 4.2V
85
80
VIN = 3.6V
75
VIN = 3.0V
70
4 LEDs, 10μH
65
L1: 976AS-100M, TOKO
D1: RB521S-30, ROHM
60
0
5
10
15
20
LED Current (mA)
8 of 9
QW-R103-026,A
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