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SD3314A Datasheet - SHOUDING Shouding Semiconductor

SD3314A image

Part Name
SD3314A

Other PDF
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page
8 Pages

File Size
238.8 kB

MFG CO.
SHOUDING
SHOUDING Shouding Semiconductor SHOUDING

Description
input voltage down to lower than LED forward voltage, then SD3314A The SD3314A is a step-down constant current LED driver. When the run into LDO mode.
The SD3314A supports a range of input voltages from 2.5V to 6.0V, allowing the use of a single Li+/Li-polymer cell, 3AA or 4AA cell, USB, and other standard power sources.
The FB voltage is only 0.1V to achieve high efficiency.
SD3314A employ internal power switch and synchronous rectifier to minimize external part count and realize high efficiency.
During shutdown, the input is disconnected from the output and the shutdown current is less than 1µA. Other key features include under-voltage lockout to prevent deep battery discharge of the Li+ battery.

Features
• Efficiency up to 93%
• 180µA(typ) Quiescent Current
• Output Current: Up to 1A
• Internal Synchronous Rectifier
• 1.5MHz Switching Frequency
• Soft-Start
• Under-Voltage Lockout
• Short LED Protection
• Open LED Protection
• Thermal Shutdown
• 5-Pin Small TSOT25 Packages
• Pb-Free Package

Applications
• 3AA or 4AA Batteries Powered Flashlight
• 1 Cell Li-Ion Battery Powered Flashlight


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