MIC2287C MICREL [Micrel Semiconductor], MIC2287C Datasheet - Page 4

• Manufacturer Part Number: MIC2287C
• Manufacturer: MICREL [Micrel Semiconductor]

MIC2287C
Typical Characteristics
M0510-020906
100
99
98
97
96
95
94
93
92
91
90
78
76
74
72
70
50
45
40
35
30
25
20
15
10
84
82
80
5
0
-50
0
0
I
I
I
EN
EN
EN
3 Series LED Efficienc y
EN Pin Bias Current
= 10V
= 4.2V
= 3.0V
2
Feedback Voltage
TEMPERATURE (C)
vs. Input Voltage
5
vs. Temperature
V
V
0
4
IN
IN
10
I
V
OUT
= 3.6V
I
= 4.2V
EN
IN
6
V
L = 10H
C
(V)
= 3.6V
(mA)
IN
OUT
15
= 3.0V
50
8
= 0.22F
20
10
100
12
25
300
600
500
400
300
200
100
550
500
450
400
350
70
74
72
84
82
80
78
76
5
4
3
2
1
0
0
-40
0
0
0
Switch Saturation Voltage
6 Series LED Efficienc y
V
100
2
IN
Shutdown Current
Saturation Voltage
vs. Input Voltage
TEMPERATURE (C)
vs. Temperature
5
= 4.2V
0
vs. Current
4
200
V
10
4
I
I
IN
V
OUT
SW
IN
= 2.5V
40
6
L = 10H
C
I
(mA)
(V)
SW
(mA)
300
OUT
15
= 500mA
V
V
8
V
= 0.22F
IN
IN
IN
80
400
= 3.0V
= 3.6V
20
= 5V
10
500
120
12
25
900
850
800
750
700
650
600
1.4
1.2
0.8
0.6
0.4
0.2
5
4
3
2
1
0
0
-40
1
0
-40
V
IN
2
Switch Frequency
TEMPERATURE (C)
Quiescent Current
TEMPERATURE (C)
vs. Temperature
vs. Temperature
= 2.5V
vs. Input Volta g e
0
0
Current Limit
4
40
40
V
IN
6
(V)
February 2006
80
80
8
10
120
120
Micrel
12