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Teilenummer | PC113 |
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Beschreibung | Step Up Converter for White LED Driver | |
Hersteller | SITI | |
Logo | ||
Gesamt 14 Seiten PC112/PC113
Version : A.001
Issue Date : 2004/10/01
File Name : SP-PC112/PC113-A.001.doc
Total Pages: 14
Step Up Converter for White LED Driver
新竹市科學園區展業一路 9 號 7 樓之 1
SILICON TOUCH TECHNOLOGY INC.
9-7F-1, Prosperity Road I, Science Based Industrial Park,
Hsin-Chu, Taiwan 300, R.O.C.
Tel:886-3-5645656 Fax:886-3-5645626
點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
PC112/PC113
Typical performance characteristics
R1=22Ω, L1=6.8µH, C1=4.7µF, C2=4.7µF, C3=1µF, Schottky diode VF=0.18, Ta = 25 oC ,
(unless otherwise specified)
0.89
0.88
0.87
0.86
0.85
0.84
0.83
0.82
0.81
0.8
5
Efficiency vs Load current
VIN=4.2V
VIN=3.6V
VIN=2.85V
2LEDs
10 15 20 25 30
Load current (mA)
0.88
0.87
0.86
0.85
0.84
0.83
0.82
0.81
0.8
5
Efficiency vs Load current
VIN=4.2V
VIN=3.6V
VIN=2.85V
3LEDs
10 15 20
Load current (mA)
25
30
0.88
0.87
0.86
0.85
0.84
0.83
0.82
0.81
0.8
0.79
0.78
5
Efficiency vs Load current
VIN=4.2V
VIN=3.6V
4LEDs
VIN=2.85V
10 15 20
Load current (mA)
25
30
0.11
0.108
0.106
0.104
0.102
0.1
0.098
0.096
0.094
0.092
0.09
5
Feedback voltage vs Load current
4x LEDs
3x LEDs
2x LEDs
10 15 20 25 30
Load current (mA)
Efficiency vs Temperature (High Load)
85
84
83
82
81
80
3 WLEDs, 25mA
79
VIN=4.2V
VIN=3.6V
VIN=2.85V
78
-40 -20 0 20 40 60 80 100 120 140
Temperature (degree)
Efficiency vs Temperature (Light Load)
84
83
VIN=2.85V
82
81
VIN=3.6V
80 VIN=4.2V
79
78
3 WLEDs, 5mA
77
76
-40 -20 0 20 40 60 80 100 120 140
Temperature (degree)
-5 - Version:A.001
6 Page 點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
Package Specification (SOT23-6)
PC112/PC113
C
EH
L
e
θ1
D
A2 A
A1
b
SYMBOL
A
A1
A2
b
C
D
E
e
H
L
θ1
Dimensions in Millimeters
MIN NOM MAX
1.00
1.10
1.30
0.00 - 0.10
0.70
0.80
0.90
0.35
0.40
0.50
0.10
0.15
0.25
2.70
2.90
3.10
1.40
1.60
1.80
- 1.90(TYP) -
2.60
2.80
3.00
0.37 -
-
1° 5° 9°
-11 -
Version:A.001
12 Page | ||
Seiten | Gesamt 14 Seiten | |
PDF Download | [ PC113 Schematic.PDF ] |
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