(PDF) 5252F Datasheet PDF | Qxmd





5252F Datasheet PDF

Part Number 5252F
Description Solar LED Driver
Manufacture Qxmd
Total Page 9 Pages
PDF Download Download 5252F Datasheet PDF

Features: Datasheet pdf General Description QX5252 is an ASIC fo r solar LED lawn lights. Only a periphe ral inductor is required to realize the step-up power supply, and the maximum drive efficiency can exceed 84%. QX5252 has automatical charge characteristic. QX5252 uses CMOS technology , therefor e the power consumption is very small. QX5252 uses patented technique to reali ze the LED lights shutdown without flic ker when the battery voltage is low. Th e operating voltage of QX5252 is 0.9V t o 1.5V, suitable for a single AA batter y or a single Ni-H battery. QX5252 Sol ar LED Driver Features  Operating Vo ltage: 0.9V~1.5V  3mA~300mA Output c urrent  Patented over-discharge prot ection: shutdown without flicker  In tegrated light control switch  Integ rated Schottky Diode  Only an extern al inductor is requierd  High Effici ency  Low quiescent current: 17uA Ap plications  Solar lawn  Solar Lan dscape Typical Application SBAT BAT L1 VSS LX QX5252 QX5252 L1 BAT R1 LS R2 SBAT VSS LX (a)Uses solar panel to .

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5252F datasheet
General Description
QX5252 is an ASIC for solar LED lawn
lights.
Only a peripheral inductor is required to
realize the step-up power supply, and the
maximum drive efficiency can exceed 84%.
QX5252 has automatical charge
characteristic.
QX5252 uses CMOS technology , therefore
the power consumption is very small.
QX5252 uses patented technique to realize
the LED lights shutdown without flicker
when the battery voltage is low.
The operating voltage of QX5252 is 0.9V to
1.5V, suitable for a single AA battery or a
single Ni-H battery.
QX5252
Solar LED Driver
Features
Operating Voltage: 0.9V~1.5V
3mA~300mA Output current
Patented over-discharge protection:
shutdown without flicker
Integrated light control switch
Integrated Schottky Diode
Only an external inductor is requierd
High Efficiency
Low quiescent current: 17uA
Applications
Solar lawn
Solar Landscape
Typical Application
SBAT BAT
L1
VSS LX
L1
BAT
R1
LS
R2
SBAT
VSS
LX
(a)Uses solar panel to achieve light control
(b) Uses photo-resistor to achieve light control
Figure 1Typical Application Circuit Diagrams of QX5252
QX5252_DS03EN
QX Micro Devices Co., Ltd.
www.qxmd.com.cn
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5252F datasheet
Ordering Information
Type Number
QX5252
QX5252
Solar LED Driver
Package Marking
Pin Assignments
5252F
XXXX
Lot Number
Date
5252F
XXXX
1234
BAT
VSS
54
SBAT BAT VSS LX
TO-94
1
SBAT
2
LS
3
LX
SOT23-5
QX5252_DS03EN
QX Micro Devices Co., Ltd.
www.qxmd.com.cn
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