MIC2297-15YML TR Micrel Inc, MIC2297-15YML TR Datasheet - Page 4

• Manufacturer Part Number: MIC2297-15YML TR
• Description: IC,Laser Diode/LED Driver,LLCC,10PIN,PLASTIC
• Manufacturer: Micrel Inc
• Type: Backlight, White LEDr

Specifications of MIC2297-15YML TR

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Type - Secondary: White LED
• Frequency: 525kHz ~ 6.75kHz
• Voltage - Supply: 2.5 V ~ 10 V
• Mounting Type: Surface Mount
• Package / Case: 10-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: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MIC2297-15YMLTR; MIC2297-15YMLTR

Typical Characteristics
Micrel
Mach 2008
1200
1000
300
250
200
150
100
800
600
400
200
5.5
4.5
3.5
1.5
1.4
1.3
1.2
1.1
0.9
0.8
0.7
0.6
0.5
50
6
5
4
3
0
1
0
2
0
2
3
3
vs. Switch Voltage
vs. Input Voltage
SWITCH CURRENT (mA)
vs. Input Voltage
BRT VOLTAGE (mV)
Supply Current
vs. BRT Voltage
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
Switch Current
4
4
500
BRT Voltage
FB Voltage
5
5
6
6
Not Switching
V
FB
1000
7
7
= 1V
V
10001200
IN
8
8
= 3.6V
9 10
9 10
1500
100
220
215
210
205
200
195
190
300
280
260
240
220
200
180
160
140
120
100
Efficiency for 10 LEDs @ 20mA
99
98
97
96
95
80
78
76
74
72
70
2
2
2
2
I
FSWITCH
3
3
3
3
vs. Input Voltage
vs. Input Voltage
vs. Input Voltage
Max Duty Cycle
vs. Input Voltage
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
Switch Voltage
4
4
4
4
FB Voltage
= 0.5A
5
5
5
5
4
6
6
6
6
7
7
7
7
L = 6.8µH
8
8
8
8
9 10
9 10
9 10
9 10
800
700
600
500
400
20
18
16
14
12
10
30
25
20
15
10
80
75
70
65
60
55
50
45
40
5
0
2
2
0
Efficiency for 10 LEDs
3
3
5
V
vs. Input Voltage
vs. Input Voltage
BRT VOLTAGE (mV)
IN
vs. BRT Voltage
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
vs. LED Current
LED CURRENT (mA)
4
4
10 15 20 25 30 35
= 4.2V
LED Current
LED Current
Frequency
V
IN
5
5
= 3.6V
6
6
M9999-032708
R
SENSE
7
7
L = 6.8µH
V
MIC2297
10001200
IN
8
8
= 3.2V
9 10
9 10