LDS8845002T2 Leadis Technology, LDS8845002T2 Datasheet - Page 2

• Manufacturer Part Number: LDS8845002T2
• Description: LED Drivers 4Ch no Chrg Pump,3x3 comp to RT9362
• Manufacturer: Leadis Technology

Specifications of LDS8845002T2

• Number Of Segments: 4
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFN EP
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LDS8845
ABSOLUTE MAXIMUM RATINGS
NOTE: Stresses listed above may cause permanent damage to thje device. Functional operation of the device at these or any other conditions
beyond those indicated in the “Recommended Operating Conditions” is not impiled. Exposure to abslute maximum rating conditions for
extended periods may remain possibility to affect device reliability.
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL OPERATING CHARACTERISTICS
*) Voltage drop at led pin, at which LED current falls 10% below set value
© 2008 Leadis Technology
Characteristics subject to change without notice
(Over recommended operating conditions unless specified otherwise) V
V
V
EN, CTRL0, CTRL1 voltage
Storage Temperature Range
Junction Temperature Range
Soldering Temperature (10s)
ESD protection HBM
V
Ambient Temperature Range
Name
Quiescent Current
Shutdown Current
LED Current
LED Current Setting Range
LED Current Accuracy
LED Channel Matching
Current Sink Dropout Voltage*
Short Circuit Output Current Limit
EN, CTRL0,
CTRL1 pins
PWM frequency
PWM duty cycle
Thermal Shutdown
Thermal Hysteresis
Under Voltage Lockout (UVLO)
Threshold
IN
OUT
IN
, LEDx voltage
voltage
Leakage Current
Logic Level
Threshold
Parameter
Parameter
High
Low
High
Low
Input Voltage = V
Input Voltage = 0
Conditions
I
EN = 0V
R
R
2.7 < V
To set value
(I
(I
V
LED
LED MAX
LE D MAX
SET
SET
OUT
= 20mA per channel
= 24k
= 96k
= 0V
IN
– I
+ I
2
< 5.5V
-65 to +150
-40 to +125
V
-40 to +85
2.7 to 5.5
-0.3 to 6
-0.3 to 6
LED MIN
LED MIN
Rating
IN
Rating
IN
= 3.6V, EN = High, T
300
+ 0.7V
2
IN
) /
)
Min
100
1.3
-8
-5
-1
2
1
Unit
Unit
AMB
°C
°C
°C
kV
°C
V
V
V
V
= 25°C
Typ
150
1.3
0.1
2.4
20
3
3
20
22
20
5
100000
Max
100
1.5
0.4
30
+8
+5
30
25
1
1
Doc. No. 8845DS, Rev. 1.5
Units
mA
mA
mA
mV
mA
µA
µA
Hz
°C
%
%
%
V
V