MIC2860_P Datasheet, PDF (4/12 Pages) Micrel Semiconductor – High Efficiency 2 Channel WLED Driver with PWM Control

Micrel Inc.
Typical Characteristics
Peak LED Current
vs. RSET
35
30
25
20
15
10
5
0
5
10
15
20
25
30
35
R_SET (KΩ)
Dropout Voltage
vs. Temperature
35
30
LED2
25
20
LED1
15
10
5
0
-40 -20
R_SET = 19.1KΩ
0 20 40 60 80 100 120
TEMPERATURE (°C)
Matching
vs. Temperature
0.4
0.35
0.3
0.25
0.2
R_SET = 9.53KΩ
0.15
0.1
R_SET = 19.1KΩ
0.05
0
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
MIC2860-2P
Dropout Voltage
vs. RSET
70
60
50
40
LED1
30
LED2
20
10
0
0
10
20
30
40
RSET (KΩ)
LED Current
vs. Temperature
32
31.5
31
LED1
30.5
30
29.5
LED2
29
28.5
28
-40 -20
R_SET = 9.53KΩ
0 20 40 60 80 100 120
TEMPERATURE (°C)
Dropout Voltage
vs. Temperature
70
60
LED1
50
40
LED2
30
20
10
0
-40 -20
R_SET = 9.53KΩ
0 20 40 60 80 100 120
TEMPERATURE (°C)
LED Current
vs.T emperature
16
15.5
ILED1
15
ILED2
14.5
14
13.5
13
-40 -20
R_SET = 19.1KΩ
0 20 40 60 80 100 120
TEMPERATURE (°C)
September 2010
4
M9999-092710-A