description
The LT3083 is a 3A low dropout linear regulator that can be used in parallel to increase output current or spread heat on surface mount boards. Designed for use as a precision current source and voltage follower, this new regulator is used in many applications that require high current, zero to zero regulation and no heat sink. In addition, the device also pulls out the collector of the pass transistor for low dropout (down to 310mV) operation when used with multiple power supplies.
One of the key features of the LT3083 is its ability to provide a wide output voltage range. With a reference current flowing through a single resistor, the output voltage can be set to any level between 0V and 23V (DD-PAK and TO-220 packages). When using a 10μF capacitor on the output, the LT3083 is stable, and the IC can be stable with small ceramic capacitors, unlike the extra ESR that is common with other regulators.
Internal protection circuitry includes current limiting and thermal limiting. The LT3083 is available in a 16-pin TSSOP package with an exposed pad for better thermal characteristics, a 12-pin 4mm x 4mm DFN package (also with an exposed pad), a 5-lead TO-220 package, and a 5-pin package. Surface mount DD-PAK package.
Characteristics
The outputs can be connected in parallel to provide higher current and heat dissipation. Output current: 3A
Output voltage is set by a single resistor
50μA SET pin current: 1% initial accuracy output adjustable to 0V
Low output noise: 40μVRMS (10Hz to 100kHz)
Wide input voltage range: 1.2V to 23V (DD-Pak and TO-220 packages)
Low dropout voltage: 310mV
<1mV load adjustment
<0.001%/V voltage regulation minimum load current: 1mA
Stable Recursive Current Limit and Overtemperature Protection with 10μF Minimum Ceramic Capacitor in 16-Lead TSSOP, 12-Pin 4mm x 4mm DFN, 5-Pin TO-220, and 5-Pin Surface Mount DD-PAK Package
application
High Current Full Surface Mount Power Supply High Efficiency Linear Regulator for Switching Power Supply Post Regulator Low Component Number Variable Voltage Power Supply Low Output Voltage Power Supply
LT3083 Typical Application Circuit
The above is part of the content, see the PDF data manual for more details!
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Shenzhen Zhifu New Energy Co., Ltd. , https://www.sunbeambattery.com