MIC2287-24YML TR Micrel Inc, MIC2287-24YML TR Datasheet - Page 4

• Manufacturer Part Number: MIC2287-24YML TR
• Description: IC LED DRIVER WHITE BCKLGT 8-MLF
• Manufacturer: Micrel Inc
• Type: Backlight, White LEDr

Specifications of MIC2287-24YML TR

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Type - Secondary: White LED
• Frequency: 1.05MHz ~ 1.35MHz
• Voltage - Supply: 2.5 V ~ 10 V
• Mounting Type: Surface Mount
• Package / Case: 8-MLF®, QFN
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 20mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Efficiency: -
• Other names: 576-1725-2; MIC2287-24YMLTR; MIC2287-24YMLTR

MIC2287
Typical Characteristics
M9999-070105
100
78
76
74
72
70
84
82
80
99
98
97
96
95
94
93
92
91
90
50
45
40
35
30
25
20
15
10
5
0
-50
0
0
I
3 Series LED Efficiency
I
I
EN
EN
EN
EN Pin Bias Currency
= 10V
= 4.2V
= 3.0V
2
Feedback Voltage
5
vs. Input Voltage
TEMPERATURE (°C)
vs. Temperature
V
V
0
4
IN
IN
10
I
OUT
= 3.6V
V
= 4.2V
I
EN
IN
V
6
L = 10µH
C
(V)
(mA)
IN
= 3.6V
OUT
15
= 3.0V
50
8
= 0.22µF
20
10
100
25
12
300
550
500
450
400
350
600
500
400
300
200
100
70
84
82
80
78
76
74
72
5
4
3
2
1
0
0
-40
0
Switch Saturation Voltage
0
0
6 Series LED Efficiency
V
Saturation Voltage
100
2
Shutdown Current
IN
TEMPERATURE (°C)
vs. Temperature
vs. Input Voltage
5
0
= 4.2V
vs. Current
4
4
200
V
10
I
IN
I
SW
V
OUT
40
IN
= 2.5V
I
6
SW
(mA)
L = 10µH
C
(V)
300
(mA)
OUT
15
= 500mA
8
V
V
V
= 0.22µF
IN
80
IN
IN
400
= 3.0V
= 5V
= 3.6V
20
10
120
500
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
Quiescent Current
Switch Frequency
TEMPERATURE (°C)
vs. Input Voltage
TEMPERATURE (°C)
vs. Temperature
vs. Temperature
= 2.5V
0
0
Current Limit
4
V
IN
40
40
6
(V)
8
80
80
10
Micrel, Inc.
July 2005
120
120
12