LXMG1930-28-0X MICROSEMI [Microsemi Corporation], LXMG1930-28-0X Datasheet - Page 3
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LXMG1930-28-0X
Manufacturer Part Number
LXMG1930-28-0X
Description
3-String 5W LED Backlight Boost Driver Module
Manufacturer
MICROSEMI [Microsemi Corporation]
Datasheet
1.LXMG1930-28-0X.pdf
(8 pages)
Copyright © 2009
Rev. 1.1, 2009-11-25
Parameter
Potentiometer Dimming on
BRITE_A
PWM Frequency Range
for BRITE_A
BRITE_A PWM Voltage
BRITE_A Sink Current
Output Current Dim Range
(Analog Dimming)
LED Current On Rise Time
LED Current Off Fall Time
Device Protection
LED Short Protection
Threshold
CS Pin Over-Voltage Limit
LED Current Sink Outputs
LED DC Current
Programming Range
LED DC Current
LED DC Current
LED DC Current
LED DC Current
LED DC Current
Current Matching Between
Strings.
Regulated CS Pin Voltage
LED String Voltage
LED String Voltage
LED Panel Thermal Protection
LED Over Temperature
Shut Down Threshold
Over Temperature
Recovery Voltage
OT Sink Current
Unless otherwise specified, the following specifications apply over the recommended operating condition and ambient temperature of 0°C to
TM
60°C except where otherwise noted; V
11861 Western Avenue, Garden Grove, CA. 92841, 800-877-6458, 714-898-8121, Fax: 714-893-2570
V
BRITE_A-PWM
Symbol
T
f
I
T
Vcs
V
I
BRITE_A
BRITE_A
I
ΔI
ΔI
ΔI
POT
CS_Rise
CSMAX
V
CSMIN
CS_Fall
V
V
CSOV
I
I
CS
LED
OT
CSA
CSB
CSC
OT
OT
SD
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
Test Conditions / Comment
BRITE_A = 0V
I
> 2.2V
Voltage at CSx pin that latches off its
respective string.
Voltage at CSx pin that clamps Anode Output
Combination of DIP Switch1~3 ON/OFF
VDIP-SW1~3 = OFF
Delta current SW1~3 = OFF to DIP-SW1= ON
Delta current SW1~3 = OFF to DIP-SW2= ON
Delta current SW1~3 = OFF to DIP-SW3= ON
VDIP-SW1~3 = ON
V
At the lowest CS pin, I
DIP- SW1~3 = ON
Rated LED current
OT = 0V
LED
IN
CSX
= 4.75V; BRITE_A = Open; ENABLE = V
= 50mA, BRITE_A = 0V Versus BRITE_A
Analog Mixed Signal Group
= 0.8V to 5V
Microsemi
®
3-String 5W LED Backlight Boost Driver Module
CSX
= 50mA;
P
LXMG1930-28-0x
RODUCTION
IN
; DIP-SW1~3 = ON; OT = open
14.25
D
4.75
47.5
Min
400
100
2.5
9.5
0.5
V
15
23
19
-2
ATASHEET
IN
1.47
Typ
500
200
400
240
0.9
1.8
12
10
15
25
15
10
20
50
5
25000
15.75
Max
5.25
10.5
52.5
600
5.5
27
50
21
35
2
RATIO
Units
mA
mA
mA
mA
mA
mA
kΩ
µA
µA
Hz
ns
ns
%
V
V
V
V
V
V
V
Page 3