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LT3080EDD-1#TRPBF

Name: LT3080EDD-1#TRPBF
Rating: 4.7 (12 reviews)

IC REG LINEAR POS ADJ 1.1A 8DFN

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Mfr。パート #LT3080EDD-1#TRPBF
パッケージ 8 DFN
データシート LT3080EDD-1#TRPBF DataSheet
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
OutputConfiguration	Positive
OutputType	Adjustable
NumberofRegulators	1
Voltage-Input(Max)	36V
Voltage-Output(Min/Fixed)	0V
Voltage-Output(Max)	36V
VoltageDropout(Max)	1.6V @ 1.1A
Current-Output	1.1A
Current-Quiescent(Iq)	500 µA
Current-Supply(Max)	30 mA
PSRR	75db ~ 20dB (120Hz ~ 1MHz)
ProtectionFeatures	Over Current, Over Temperature, Short Circuit
OperatingTemperature	-40°C ~ 125°C
MountingType	Surface Mount
Package/Case	8-WFDFN Exposed Pad

概要

Description

LT3080EDD-1#TRPBF is Linear Technology’s LT3080 adjustable, high‑voltage linear regulator in the EDD‑1 package, with Tape & Reel Pb‑free packaging (TRPBF suffix). It uses a current reference on the SET pin to set the output with a single resistor (RSET) to ground, making it easy to obtain a wide range of voltages and even programmable constant-current behavior when used with external pass devices.
Key points:
- Wide input range (high voltage capable) and up to about 1 A output, expandable with an external pass transistor for higher current.
- Output voltage is set by ISET through RSET; simple external components required (usually input capacitor, output capacitor, and RSET).
- Features typically include low quiescent operation, current limit, and thermal protection; remote sensing and stability considerations apply.
- Applications: adjustable linear regulator for bench supplies, post-regulators, and programmable current sources.
For exact pinout, equations (Vout ≈ ISET × RSET, plus any sense/current‑boost configurations), and stability guidelines, consult the LT3080 datasheet corresponding to the EDD‑1 package.

Features

Here are the main features of LT3080EDD-1#TRPBF:
- 1.1A adjustable regulator with a current reference on the ISET pin
- Simple external-resistor programming to set output/current
- Can be used as a voltage regulator or a constant-current source
- Wide input voltage range (supports high-side regulation)
- Remote sensing for improved load regulation
- Protective features: short-circuit protection and thermal shutdown
- Output current limit/overload protection
- RoHS-compliant Pb-free 8-pin package (LT packaging variant LT3080EDD-1#TRPBF)
Note: exact specifications (max Vin, dropout, accuracy, etc.) are in the datasheet for precise design values.

Package

It uses an 8‑lead Plastic Small Outline package (SOIC‑8). The TRPBF suffix means Tape‑and‑Reel, Pb‑free.

Pinout

- Pin count: 8 pins (EDD package).
- Function: A programmable, low-noise linear regulator/current source. The LT3080 is an adjustable regulator (up to about 1.1 A) whose output current/voltage is set via the ISET pin with an external resistor network. Typical pins include VIN (input), VOUT (regulated output), ISET (programming current), and GND/reference. It can be used as either an adjustable voltage regulator or a current source depending on the circuit.

Manufacturer

Manufacturer: Analog Devices, Inc. (the LT3080 was originally from Linear Technology, now part of Analog Devices).
What kind of company: A multinational semiconductor company that designs, manufactures, and markets analog, mixed-signal, and DSP integrated circuits.

Application

LT3080EDD-1#TRPBF is a 1.1A adjustable positive regulator. Typical applications:
- Adjustable low-noise linear regulator for analog front-ends, op-amps, and ADC/DAC rails
- Constant-current source/sink for LEDs, laser diodes, and bias networks
- Post-regulator in switching supplies to improve ripple and transient response
- Bench or portable programmable power supply
- Battery-powered instrumentation and other single-supply systems needing a programmable regulator