LX1990ILM Microsemi Analog Mixed Signal Group, LX1990ILM Datasheet - Page 3

• 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
Unless otherwise specified, the following specifications apply over the operating ambient temperature -40°C
following test conditions: V
Supply Voltage (V
ENA (ENABLE) Input Voltage
I
I
I
I
SET
SET
OUTA
OUTA
Power Characteristics
Quiescent Current
Quiescent Current
Sleep Current
Enable Input
Enable Logic Threshold
Enable Input Current
I
I
ISET Input
I
I
Output Characteristics
Output Current Amplitude
OUTA to OUTB Current Matching
ISET to IOUT Current Ratio
ISET to IOUT Current Ratio
Output Current I
Dropout Voltage
Dropout Voltage
Maximum Output Current, I
Shorted To Gnd. Each Output
Output Off State Current
1
2
SET
SET
SET
SET
At enable voltages greater than 0.4V but less than 0.8V the outputs will remain off but the sleep current may be greater than 1µA.
Dropout is defined as the OUTA/B to GND voltage at which the output current sink drops 10% from the nominal value.
Voltage
Current
/ I
/ I
to Out Pulse Response
to Out Pulse Response
Current Range
Voltage
OUTB
OUTB
TM
Compliance Voltage Range
Output Current Range
Parameter
1
SET
2
2
DD
)
= 0µA
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
DD
SET
= 2.7 to 5.5 V
R E C O M M E N D E D O P E R A T I N G C O N D I T I O N S
Parameter
Symbol
I
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
I
I
V
V
OUT_MATCH
I
OUT_RATIO
OUT_RATIO
OUT_ZERO
I
I
V
T
DROPOUT
DROPOUT
T
OUTOFF
_SLEEP
I
V
I
I
I
IN_EN
D(OFF)
I
TH_EN
_QUI
_QUI
D(ON)
ISET
OUT
I
ISET
SC
DC
, I
SET
= 200µA
VDD = 2.7V; ISET = 0uA
VDD = 5.5V; ISET = 300uA
VDD = 5.5V, ENA
ENA = V
R
I
0.5 < V
I
I
I
0.5 < V
I
I
V
ENA
SET
OUT
OUT
OUT
OUT
OUT
SET
ISET
/I
/I
= 200uA
Integrated Products
= 20mA ; (I
= 20mA
= 30mA
SET
SET
®
terminated to GND
= Zero Volts; VDD=5V
Microsemi
≤
OUT
OUT
; I
; I
, V
DD
0.4V
SET
SET
< 5.5V, I
< V
OUT
= 5.5V
= 200µA ; V
= 200µA ; V
LOAD
OUTA
≤
Test Conditions
, I
5.5V, VLOAD
≤
SET
– I
Dual Programmable LED Current Sink
SET
0.4V
OUTB
= 200µA
= 0µA
DD
DD
) / I
= 5.5V
= 2.7V
OUTA
* 100
≤
10V. Typical values are at T
Min
2.7
0.1
0.1
0
0
0
LX1990
Typ
1.225
Min
18.5
0.8
0
≤
T
LX1990
A
≤
Typ
0.08
1.55
1.25
102
150
200
100
1.4
3.0
1.2
1.4
0.4
20
99
10
4
Max
85°C and the
1.25
300
V
5.5
10
30
A
DD
= 25°C
Max
1.275
21.5
300
100
300
400
2.4
10
20
2
4
1
2
2
5
LX1990
Units
mA
µA
V
V
V
V
Units
mA
mA
µA
µA
V
mA
mA
mV
mV
µA
µA
µS
µS
µA
%
V
DC
DC
DC
Page 3
DC
DC