LP5526TL/NOPB National Semiconductor, LP5526TL/NOPB Datasheet - Page 23

IC LED DRVR WT/RGB BCKLT 25-USMD

LP5526TL/NOPB

Manufacturer Part Number
LP5526TL/NOPB
Description
IC LED DRVR WT/RGB BCKLT 25-USMD
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
Backlight, White LED, RGB (I²C Interface)r
Datasheet

Specifications of LP5526TL/NOPB

Constant Current
Yes
Topology
PWM, Step-Up (Boost)
Number Of Outputs
5
Internal Driver
Yes
Type - Primary
Backlight, Light Management Unit (LMU)
Type - Secondary
RGB, White LED
Frequency
1MHz
Voltage - Supply
3 V ~ 5.5 V
Voltage - Output
8 V ~ 20 V
Mounting Type
Surface Mount
Package / Case
25-MicroSMD
Operating Temperature
-30°C ~ 85°C
Current - Output / Channel
150mA
Internal Switch(s)
Yes
Efficiency
88%
For Use With
LP5526TLEV - BOARD EVAL LP5526 LMU LED DRIVER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LP5526TLTR
Symbol
I
NOTE: Data guaranteed by design
When a READ function is to be accomplished, a WRITE function must precede the READ function, as shown in the Read Cycle
waveform.
2
C TIMING PARAMETERS (V
10
C
1
2
3
4
5
5
6
7
8
9
b
Hold Time (repeated) START Condition
Clock Low Time
Clock High Time
Setup Time for a Repeated START Condition
Data Hold Time (Output direction, delay generated by LP5526)
Data Hold Time (Input direction, delay generated by Master)
Data Setup Time
Rise Time of SDA and SCL
Fall Time of SDA and SCL
Set-up Time for STOP condition
Bus Free Time between a STOP and a START Condition
Capacitive Load for Each Bus Line
DD1,2
= 3.0 to 4.5V, V
Parameter
DDIO
I
2
C Timing Diagram
I
2
= 1.8V to V
C Read Cycle
23
DD1,2
)
20+0.1C
15+0.1C
Min
600
600
300
100
600
0.6
1.3
1.3
10
0
Limit
b
b
20179754
Max
900
900
300
300
200
www.national.com
20179794
Units
pF
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
µs

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