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PAM2701 데이터시트(PDF) 7 Page - Power Analog Micoelectronics

부품명 PAM2701
상세설명  4-Channel Regulated Charge Pump White LED Driver
PDF  14 Pages
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제조업체  PAM [Power Analog Micoelectronics]
홈페이지  http://www.poweranalog.com
Logo PAM - Power Analog Micoelectronics

PAM2701 데이터시트(HTML) 7 Page - Power Analog Micoelectronics

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7
7. Output Voltage vs Input Voltage
0
1
2
3
4
5
6
7
2.8
3.1
3.4
3.7
4
4.3
Input Voltage (V)
1X Mode
1.5X Mode
8. Output Resistance vs Input Voltage
1
1.5
2
2.5
3
3.5
4
4.5
2.8
3.1
3.4
3.7
4
4.3
Input Voltage (V)
1X Mode
，IO=100mA
1.5X Mode
，IO=100mA
9. LED Current Setting Using the External
Resistor R
SET
LED Current vs R
Resistance
SET
10.LED Current Setting Using a DC Voltage
to RSET Pin
LED Current vs Analog Control Voltage
0
5
10
15
20
25
30
35
0
0.3
0.6
0.9
1.2
Analog Control Voltage (V)
11.LED Current Setting Using a PWM Signal to EN Pin
LED Current vs Duty Cycle @ f=100Hz
0
5
10
15
20
25
30
35
0
2040
6080
100
PWM Duty Cycle (%)
VIN=4.2V
VIN=3.2V
LED Current vs Duty Cycle @ f=1KHz
0
5
10
15
20
25
30
35
0
20406080
100
PWM Duty Cycle (%)
VIN=4.2V
VIN=3.2V
Typical Characteristics
0
5
10
15
20
25
30
35
0
100
200
300
400
500
600
RSET Resistance (KΩ)
R
SET
,
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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