Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. U-DFN2020-6 (Type S)

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AL3050 (NRND)

NRND = Not Recommended for New Design

Small Panel Backlight LED driver

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Feature(s)

2.7V to 5.5V Input Voltage Range
28V Open LED Protection (Up to 8 LEDs)
Integrated 0.7A/30V Internal MOSFET and Power Diode
200mV Reference with ±3% Accuracy
750kHz Switching Frequency
Flexible Digital and PWM Brightness Control
1-Wire Control Interface
PWM Dimming Control Interface
Up to 100:1 PWM Dimming Ratio
Integrated Loop Compensation
Built-in Soft-Start
Built-in OTP
Built-in OCP
Tiny Package with U-DFN2020-6 (Type S) Package

Application(s)

Feature Phones
Smart Phones
Portable Media Players
Ultra Mobile Devices
GPS Receivers
Backlight for Small and Media Form Factor LCD Display

Specifications & Technical Documents

Product Parameters

Compliance (Only Automotive Supports PPAP)	Standard
Dimming	PWM and One Wire
Efficiency (%)	85
Function	Boost LED Driver-Controller
LED Current (A)	0.04
MaximumInput Voltage (V)	5.5
Maximum Output Current per Channel	40
Maximum Output Voltage (V)	28
MinimumInput Voltage (V)	2.7
Number of Regulated Output Channels	1
OperatingTemperatureRange (°C)	-40 to 85
OVP	Yes
AEC Qualified	No
Quiescent Current (µA)	0.3
Quiescent Current Typ (mA)	0.3
Soft Start	Yes
Standby Quiescent Current (µA)	0.1
SW R_DS(ON)	0.56
Switching Frequency (MHz)	0.75
Topology	Boost
Typical Overcurrent Protection Current	700
V_FB	200

Technical Documents

SPICE Model

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN #	Issue Date	Implementation Date	Subject
PCN-2512	2021-04-16	2021-07-16	Qualified Additional Assembly & Test (A/T) Site