mic3230 Micrel Semiconductor, mic3230 Datasheet - Page 2

• Manufacturer Part Number: mic3230
• Description: Constant Current Boost Controller For Driving High Power Leds
• Manufacturer: Micrel Semiconductor

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