MIC2292-34YML TR Micrel Inc, MIC2292-34YML TR Datasheet - Page 4

• Manufacturer Part Number: MIC2292-34YML TR
• Description: IC LED DRIVER WHITE BCKLGT 8-MLF
• Manufacturer: Micrel Inc
• Type: Backlight, White LEDr

Specifications of MIC2292-34YML TR

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 1.4MHz ~ 1.8MHz
• 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
• Operating Supply Voltage (typ): 3.3/5/9V
• Number Of Segments: 3
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Package Type: MLF
• Pin Count: 8
• Mounting: Surface Mount
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 10V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Efficiency: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 576-1735-2; MIC2292-34YMLTR; MIC2292-34YMLTR

MIC2292/93
Typical Characteristics
M9999-091509
SCHOTTKY FORWARD VOLTAGE DROP (mV)
700
600
500
400
300
200
100
86
81
76
71
66
61
56
51
46
41
36
83
78
73
68
63
58
53
48
5
4
3
2
1
0
0
0 2 4 6 8 10 12 14 16 18 20
0
0 2 4 6 8 10 12 14 16 18 20
MIC2292 3 Series LED
2
Quiescent Current
Schottky Forward
MIC2293 6 Series
vs. Input Voltage
V
V
LED Efficiency
IN
IN
Voltage Drop
= 4.2V
V
Efficiency
= 4.2V
4
IN
I
I
LED
OUT
= 3.6V
V
V
IN
IN
V
6
(mA)
(mA)
(V)
= 3.6V
IN
= 3.0V
L = 10µH
C
V
L = 10µH
C
8
OUT
IN
OUT
= 3.0V
= 1µF
= 1µF
10
12
100
99
98
97
96
95
94
93
92
91
90
1.4
1.2
0.8
0.6
0.4
0.2
2.5
1.5
0.5
86
81
76
71
66
61
56
51
46
41
36
0
-40 -20
1
0
2
1
0
30 40 50 60 70 80 90 100
0 2 4 6 8 10 12 14 16 18 20
MIC2293 3 Series LED
2
Feedback Voltage
vs. Input Voltage
Switch Frequency
Schottky Reverse
TEMPERATURE (°C)
Leakage Current
V
TEMPERATURE (°C)
vs. Temperature
V
R
V
0
IN
4
= 25V
R
V
Efficiency
= 4.2V
V
= 16V
IN
V
I
4
R
LED
20
IN
= 3.6V
= 10V
6
(V)
(mA)
40
8
L = 10µH
C
V
60
OUT
IN
= 3.0V
10
= 1µF
80 100
12
550
500
450
400
350
300
83
78
73
68
63
58
53
48
50
45
40
35
30
25
20
15
10
5
4
3
2
1
0
-40
-50
5
0
0 2 4 6 8 10 12 14 16 18 20
0
I
I
I
E N
E N
E N
V
EN Pin Bias Current
= 10V
IN
= 4.2V
= 3.0V
Saturation Voltage
2
Shutdown Current
TEMPERATURE (°C)
MIC2292 6 Series
= 4.2V
vs. Input Voltage
TEMPERATURE (°C)
vs. Temperature
vs. Temperature
LED Efficiency
0
0
4
I
LED
V
V
I
IN
E N
IN
40
V
6
I
= 3.6V
S W
(mA)
IN
(V)
= 3.6V
September, 2009
= 3.0V
= 500mA
L = 10µH
C
50
8
OUT
80
= 1µF
10
Micrel, Inc.
120
100
12