Driver

5252F Datasheet – QX5252, Solar LED Driver Transistor IC

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Part Number: QX5252, Marking : 5252F

Function: Solar LED drivers

Package: TO-94, SOT23-5, DIP-8 Pin Type

Manufacturer:  QX Micro Devices ( www.qxmd.com.cn )

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5252F Solar LED driver IC
Description

QX5252 is a solar LED lighting fixtures for ASIC design. It is driven by a switching circuit, Optical switch circuit, over discharge protection circuit, the internal integration of Short Based diodes and other circuit. Can be only one external inductor Composition of solar lighting devices. 5252F using patented technology, LED Undervoltage shutdown makes no blinking LED lights.

Pinout
5252F pinout

 

Features

1. Operating voltage: 0.9V ~ 1.5V
2. Output current: 3mA ~ 300mA
3. Patented over-discharge protection: no flash off
4. Integrated light control switch
5. Integrated Schottky Diode
6. Only one inductor external components
7. High efficiency
8. Low quiescent current : 17uA

5252F circuit
5252F datasheet

Official Hompage : http://www.qxmd.com.cn/?product/QX5252.html

Application

1. Solar lawn
2. Solar landscape

 

5252F Datasheet PDF Download

5252F pdf


 

 

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HD74LVC244 Datasheet – Octal Buffer, Eight Line Driver

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Part Number: HD74LVC244

Function : Octal Buffers / Line Drivers with 3-state Outputs

Package: DIP 20 Pin

Manufacturer: Hitachi Semiconductor

Image and Pinout

components

Description

The HD74LVC244 has eight line drivers with three state outputs in a 20 pin package. This device is a non inverting buffer and has two active low enables (1- and 2*). Each enable independently controls four buffers. Low voltage and high speed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation.

 

Features

1. VCC = 2.0 V to 5.5 V
2. All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V)
3. Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
4. Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
5. High output current ±24 mA (@VCC = 3.0 V to 5.5 V)

 

HD74LVC244 Datasheet