LX1992CLM Microsemi Analog Mixed Signal Group, LX1992CLM Datasheet - Page 3

• Manufacturer Part Number: LX1992CLM
• Description: IC LED DRIVR WT/CLR BCKLGT 8-MLP
• Manufacturer: Microsemi Analog Mixed Signal Group
• Type: Backlight, White LED, Color LEDr

Specifications of LX1992CLM

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: Backlight
• Type - Secondary: Color, White LED
• Voltage - Supply: 1.6 V ~ 6 V
• Mounting Type: Surface Mount
• Package / Case: 8-MLP
• Operating Temperature: 0°C ~ 70°C
• Current - Output / Channel: 50mA
• Internal Switch(s): Yes
• Efficiency: 90%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Frequency: -

Copyright © 2000
Rev. 1.1b, 2005-03-03
Unless otherwise specified, the following specifications apply over the operating ambient temperature 0°C
otherwise noted and the following test conditions: V
FB
ADJ
IN
Operating Voltage
Minimum Start-up Voltage
Start-up Voltage Temperature
Coefficient
Quiescent Current
FB Threshold Voltage
FB Input Bias Current
ADJ Input Voltage Range
ADJ Input Bias Current
Shutdown Input Bias Current
Shutdown High Input Voltage
Shutdown Low Input Voltage
Current Sense Bias Current
Minimum Peak Current
Efficiency
NDRV Sink Current
NDRV Source Current
Off-Time
TM
Parameter
50pF
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
2.5M
Ω
Reference
Logic
Symbol
E L E C T R I C A L C H A R A C T E R I S T I C S
V
V
I
V
V
k
SHDN
I
I
t
A
V
I
I
S I M P L I F I E D B L O C K D I A G R A M
V
SHDN
SHDN
I
I
SNK
SRC
OFF
ADJ
MIN
I
VST
FB
ADJ
CS
η
SU
Q
FB
IN
Linfinity Microelectronics Division
IN
T
V
V
V
I
VADJ < 0.3V
VFB < 0.3V
R
V
V
V
V
SHDN = GND
OUT
A
= 3V, I
FB
FB
CS
IN
IN
IN
FB
SHDN
= +25°C
®
= 3.0V, I
= 5V
= 5V
> 0.3V
= 0.3V
= 0.3V; V
= 560Ω
= (V
Microsemi
< 0.4V
LOAD
ADJ
B
Control
Logic
)/(R
LOAD
= 20mA, SHDN = V
ADJ
Test Conditions
SET
=0.5V
= 20mA
)
Shutdown
Logic
Driver
High Efficiency LED Driver
P
RODUCTION
IN ,
and V
ADJ
= 300mV.
D
ATA
-100
-150
Min
275
100
≤
1.6
0.0
-50
1.6
3.0
53
T
S
A
HEET
LX1992
≤
5 µ
Typ
300
100
0.2
5.0
70°C except where
50
85
50
-2
A
Max
100
325
100
500
6.0
1.6
0.5
0.4
7.0
V
50
83
0
LX1992
IN
SHDN
GND
DRV
SRC
CS
mV/°C
Units
mV
mA
mA
mA
µA
µA
nA
nA
nA
µA
ns
%
V
V
V
V
V
Page 3