lx1996 Microsemi Corporation, lx1996 Datasheet - Page 10

• Manufacturer Part Number: lx1996
• Description: Multi-string Led Back-light Controller
• Manufacturer: Microsemi Corporation

Copyright © 2007
Rev. 1.0, 2007-12-14
Shorted LED Response – 1 to 5 Shorted LEDS in a Single String
Current
Output
Boost
LED
VIN
L E D P R O T E C T I O N W A V E F O R M S
5 LED Short – VCS incremented by shorting one LED at a time up to VCS short threshold of 15V
TM
L E D C U R R E N T W A V E F O R M S
Line Transient Response; VIN 10V to 20V Step
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Analog Mixed Signal Group
CS Current
Voltage
Current
Boost
Boost
V
CS
Microsemi
®
Multi-string LED Back-light Controller
Current
Output
Boost
LED
VIN
L E D P R O T E C T I O N W A V E F O R M S
L E D C U R R E N T W A V E F O R M S
Line Transient Response; VIN 20V to 10V Step
P
RODUCTION
LED Open Response
D
ATASHEET
THRESHOLD
OVP
V
V
V
LX1996
BOOST
CS
OVP
Page 10