MIC2289-24BML TR Micrel Inc, MIC2289-24BML TR Datasheet - Page 8

• Manufacturer Part Number: MIC2289-24BML TR
• Description: IC LED DRIVER WHITE BCKLGT 8-MLF
• Manufacturer: Micrel Inc
• Type: Backlight, White LEDr

Specifications of MIC2289-24BML 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: Contains lead / RoHS non-compliant
• Voltage - Output: -
• Efficiency: -
• Other names: MIC2289-24BMLTR; MIC2289-24BMLTR

Micrel, Inc.
July 2007
6-Series LED Circuit without External Soft-Start
Figure 5. 6-Series LED Circuit
without External Soft Start
TIME (100µs/di v.)
L = 10µH
C
C
V
I
6 LEDs
IN
OUT
IN
OUT
= 1µF
= 3.6V
= 0.22µF
= 20mA
8
6-Series LED Circuit with External Soft-Start
Figure 6. 6-Series LED Circuit
with External Soft Start
TIME (100µs/di v.)
L = 10µH
C
C
V
I
6 LEDs
C
OUT
IN
IN
OUT
SS
M9999-071007
= 1µF
= 3.6V
= 2200pF
= 20mA
= 0.22µF
MIC2289