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MIC3230 Datasheet(PDF) 2 Page - Micrel Semiconductor

Part # MIC3230
Description  Constant Current Boost Controller for Driving High Power LEDs
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC3230 Datasheet(HTML) 2 Page - Micrel Semiconductor

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Micrel, Inc.
MIC3230/1/2
January 2009
2
M9999-011409-A
Typical Application
L
47µH
D1
R8
100k
R9
4.33k
COUT
4.7µF
100V
R2
100k
RADJ
1/4W
RFS
16.5k
CCOMP
10nF
CIN
4.7µF/50v
RSLC
51
VFB = 0.25V
RCS
1/2W
Analog ground
Power ground
VOUT
VIN
PWMD
ENABLE
Synch to other MIC3230
ILED Return
LED 1
LED X
Q1
COMP
PWMD
VDD
AGND
PGND
EPAD
IS
OVP
DRV
VIN
EN
IADJ
MIC3230/31
SYNC
FS
C3
10µF
10V
Figure 1. Typical Application of the MIC3230 LED Driver
Product Option Matrix
MIC3230
MIC3231
MIC3232
Input Voltage
6V to 45V
6V to 45V
6V to 45V
Synchronization
Yes
No
No
Dither
No
Yes
No
Frequency Range
Adj from 100kHz to 1MHz
Adj from 100kHz to 1MHz
Fixed Freq. = 400kHz
Package
EPAD TSSOP-16
3mm × 3mm MLF
®-12
EPAD TSSOP-16
3mm × 3mm MLF
®-12
MSOP-10
Ordering Information
Part Number
Temperature Range
Package
Lead Finish
MIC3230YTSE
–40° to +125°C
EPAD TSSOP-16
Pb-Free
MIC3230YML
–40° to +125°C
3mm x 3mm MLF
®-12L
Pb-Free
MIC3231YTSE
–40° to +125°C
EPAD TSSOP-16
Pb-Free
MIC3231YML
–40° to +125°C
3mm x 3mm MLF
®-12L
Pb-Free
MIC3232YMM
–40° to +125°C
MSOP-10
Pb-Free


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