LP5526TL/NOPB National Semiconductor, LP5526TL/NOPB Datasheet - Page 3

• 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

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

Pin #
Pin Descriptions
Package Mark
Ordering Information
5D
5C
4D
4C
3D
3C
2D
2C
1D
1C
5E
5B
5A
4E
4B
4A
3E
3B
3A
2E
2B
2A
1E
1B
1A
GPIO[0] / PWM
GND_WLED
GND_RGB
GND_SW
Order Number
GPIO[2]
GPIO[1]
VDDIO
GNDT
VDDA
Name
RLED
GLED
NRST
VDD2
VDD1
VREF
BLED
MAIN
IRGB
GND
LP5526TLX
SCL
SDA
SUB
LP5526TL
SW
IRT
FB
Logic Input/Output
Logic Input/Output
Logic Input/Output
Logic Input/Output
Logic Input
Ground
Ground
Ground
Ground
Ground
Output
Output
Output
Output
Output
Output
Output
Output
Power
Power
Power
Type
Input
Input
Input
Input
Package Marking
5526
5526
Boost Converter Power Switch
Boost Converter Feedback
Red LED Output (Current Sink / Open Drain Switch)
Green LED Output (Current Sink / Open Drain Switch)
Blue LED Output (Current Sink / Open Drain Switch)
Power Switch Ground
External Reset, Active Low
Clock Input for I
External RGB LED Maximum Current Set Resistor
Ground for RGB LED Currents
Supply Voltage 3.0...5.5 V
Supply Voltage for Digital Input/Output Buffers and Drivers
Data Input/Output for I
General Purpose Logic Input/Output
General Purpose Logic Input/Output / External PWM Input
Ground for White LED Currents (MAIN and SUB Outputs)
Ground
Supply Voltage 3.0...5.5 V
Reference Voltage (1.23V)
General Purpose Logic Input/Output
MAIN Display White LED Current Output (Current Sink)
SUB Display White LED Current Output (Current Sink)
Internal LDO Output (2.80V)
Ground for Core Circuitry
Oscillator Frequency Set Resistor
3
2
C Compatible Interface
Supplied As
TNR 3000
TNR 250
2
C Compatible Interface
Description
20179796
Spec/Flow
NoPb
NoPb
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