LX1745CPW Microsemi Analog Mixed Signal Group, LX1745CPW Datasheet - Page 5

• Manufacturer Part Number: LX1745CPW
• Description: IC LED DRVR WT/CLR BCKLT 20TSSOP
• Manufacturer: Microsemi Analog Mixed Signal Group
• Type: Backlight, White LED, Color LEDr

Specifications of LX1745CPW

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 3
• Internal Driver: Both
• Type - Primary: Backlight
• Type - Secondary: Color, White LED
• Voltage - Supply: 1.6 V ~ 6 V
• Voltage - Output: 25V
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 100mA
• Internal Switch(s): Yes
• Efficiency: 90%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency: -

Copyright © 2000
Rev. 1.2, 2006-02-27
REF
LFB
BRT
IN
OVP
ADJx
ADJx
TM
50pF
50pF
50pF
Reference
Voltage
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
2.5MΩ
2.5MΩ
2.5MΩ
Reference
Reference
Reference
Logic
Logic
Logic
S I M P L I F I E D B L O C K D I A G R A M
Figure 1 – Simplified Block Diagram
Integrated Products Division
®
Microsemi
Current
Control
Control
Logic
Limit
Logic
Triple Output Boost – LED Driver / LCD Bias
Current
Control
Logic
Limit
Current
Limit
Shutdown
Logic
Driver
Driver
P
Driver
RODUCTION
D
ATASHEET
4μA
LSHDN
SHDNx
LX1745
GND
DRV
SRC
SWx
SWx
FBx
FBx
CS
Page 5