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PAM2701 Arkusz danych(PDF) 6 Page - Power Analog Micoelectronics

Numer części PAM2701
Szczegółowy opis  4-Channel Regulated Charge Pump White LED Driver
PDF  14 Pages
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Producent  PAM [Power Analog Micoelectronics]
Strona internetowa  http://www.poweranalog.com
Logo PAM - Power Analog Micoelectronics

PAM2701 Arkusz danych(HTML) 6 Page - Power Analog Micoelectronics

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6
Typical Characteristics
V = 3.6V, EN = V , R
= 24kΩ, C =C =1μF,T = 25°C,
noted.
IN
IN
SET
IN
O
A
unless otherwise
1. Efficiency vs Input Voltage (4 LEDs)
40
50
60
70
80
90
100
2.4
3
3.6
4.2
4.8
5.4
Input Voltage (V)
20mA per LED
15mA per LED
2. Efficiency vs Output Current (4 LEDs)
40
50
60
70
80
90
100
10
40
70
100
130
160
Output Current (mA)
VIN=3.2V
VIN=4.2V
3. LED Current vs Input Voltage (4 LEDs)
10
12
14
16
18
20
22
24
2.8
3.1
3.4
3.7
4
4.3
Input Voltage (V)
15mA per LED
20mA per LED
4. Supply Current vs Input Voltage (4 LEDs)
0
20
40
60
80
100
120
140
2.4
3
3.6
4.2
4.8
5.4
Input Voltage (V)
15mA per LED
20mA per LED
5. Ground Current vs Input Voltage
0.00
0.50
1.00
1.50
2.00
2.50
3.00
2.8
3.1
3.4
3.7
4
4.3
Input Voltage (V)
1X Mode
1.5X Mode
6. Oscillator Frequency vs Input Voltage
0.9
0.95
1
1.05
1.1
2.8
3.2
3.6
4
4.4
Input Voltage (V)
,
Power Analog Microelectronics Inc
www.poweranalog.com
09/2008 Rev 1.3
PAM2701
4-Channel Regulated Charge Pump White LED Driver



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