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See Technical Specifications

LP8550TLE/NOPB +BOM

High-Efficiency LED Backlight Driver for Notebooks

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

LP8550TLE/NOPB
Datasheet:

LP8550TLE/NOPB Datasheet (PDF)
Type:

DC DC Regulator
Topology:

Step-Up (Boost)
Internal Switch(s):

Yes
Number Of Outputs:

6
EDA/CAD Models:

Request Free CAD Models for LP8550TLE/NOPB

LP8550TLE/NOPB General Description

One notable feature of the LP8550TLE/NOPB is its Phase Shift PWM control for LED outputs, reducing peak currents and eliminating audible noise. This innovation results in smaller boost capacitors, contributing to a more streamlined design. The LP8550 also offers precise brightness control through proprietary Phase Shifting schemes, allowing users to achieve optimal illumination in any setting

Key Features

Fast Charging Capabilities
High-Efficiency Converter Design
Low EMI Emissions

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)LED Drivers	Series	-
Type	DC DC Regulator	Topology	Step-Up (Boost)
Internal Switch(s)	Yes	Number of Outputs	6
Voltage - Supply (Min)	2.7V	Voltage - Supply (Max)	22V
Voltage - Output	40V	Current - Output / Channel	50mA
Frequency	-	Dimming	PWM
Applications	Backlight	Operating Temperature	-30°C ~ 85°C (TA)
Mounting Type	Surface Mount	Base Product Number	LP8550
Number of channels	6	Vin (min) (V)	5.5
Vin (max) (V)	22	Vout (min) (V)	10
Vout (max) (V)	40	Switching frequency (max) (kHz)	1250
Duty cycle (max) (%)	100	LED current per channel (mA)	50
Peak efficiency (%)	91	Features	Adjustable Switch Frequency, Enable/Shutdown, I2C control, PWM control
Operating temperature range (°C)	-30 to 85	Rating	Catalog
feature-number-of-digits		feature-number-of-segments	60
feature-number-of-led-outputs		feature-topology
feature-process-technology		feature-input-output-type
feature-minimum-operating-supply-voltage-v	2.7	feature-maximum-operating-supply-voltage-v	22
feature-output-voltage-v	10 to 40	feature-maximum-supply-current-ua	6700(Typ)
feature-maximum-output-current-ma	50(Typ)	feature-maximum-power-dissipation-mw
feature-packaging	Tape and Reel	feature-rad-hard
feature-pin-count	25	feature-cecc-qualified	No
feature-esd-protection	Yes	feature-military	No
feature-aec-qualified	No	feature-aec-qualified-number
feature-auto-motive	No	feature-p-pap	No
feature-eccn-code	EAR99	feature-svhc	No
feature-svhc-exceeds-threshold	No