LX1990ILM Microsemi Analog Mixed Signal Group, LX1990ILM Datasheet - Page 9

• Manufacturer Part Number: LX1990ILM
• Description: IC LED DRIVER LINEAR 6-MLP
• Manufacturer: Microsemi Analog Mixed Signal Group
• Type: Linear (Non-Switching)r

Specifications of LX1990ILM

• Constant Current: Yes
• Topology: PWM
• Number Of Outputs: 2
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Voltage - Supply: 2.75 V ~ 5.5 V
• Voltage - Output: 0.1 V ~ 10 V
• Mounting Type: Surface Mount
• Package / Case: 6-MLP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 30mA
• Internal Switch(s): Yes
• For Use With: LX1990-03EVAL - BOARD EVAL LED DRIVER 2CHANNELLX1990-02 EVAL - EVAL BOARD FOR LED DRIVER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency: -
• Efficiency: -

Copyright © 2001
Rev. 1.0d, 2005-03-14
TM
PW M
3.3V
10K
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
100K
ON/OFF
Figure 11 – Using the LX1990 With High Voltage Supplies
Optional circuit for
higher efficiency
2.2K
LX432SC
R
SET
Integrated Products
A P P L I C A T I O N
®
Microsemi
ISET GND
VDD
ENA
I
I
OUTA
OUTB
Dual Programmable LED Current Sink
10 W hite
LEDs each
output
20K
20K
BC846B x2
.47µF
48V
LX1990
Page 9