LT3097ADJC#PBF

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LT3097ADJC#PBF

IC REG LINEAR POS/NEG ADJ 22-DFN

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規格

Part Status Active
Output Configuration Positive and Negative
Output Type Adjustable
Number of Regulators 2
Voltage - Input (Max) ±20V
Voltage - Output (Min/Fixed) 0V
Voltage - Output (Max) 15V, -19V
Voltage Dropout (Max) 0.65V @ 200mA
Current - Output 500mA, 500mA
Current - Quiescent (Iq) 101 µA
Current - Supply (Max) 102 µA
Control Features Current Limit, Enable, Soft Start
Protection Features Over Current, Over Temperature, Reverse Current, Reverse Polarity, Short Circuit, Under Voltage Lockout (UVLO)
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package 22-WFDFN Exposed Pad
Supplier Device Package 22-DFN (6x3)
Packaging Tube

概述

Description

LT3097ADJC#PBF is an adjustable, current-limited linear regulator from Linear Technology (now Analog Devices). It can be used as a voltage regulator or as a constant‑current source by configuring external resistors. The ADJ version is programmed with external resistors to set the output voltage (or output current) and includes a precise reference, error amplifier, and built‑in protections such as current limit, thermal shutdown, and reverse-battery protection. The #PBF suffix indicates a Pb-free package, and ADJC denotes the specific package variant. Typical uses include LED constant‑current drivers, adjustable lab power supplies, and other applications requiring a robust, simple adjustable regulator with built‑in safety features. For exact electrical specs, pinout, and usage details (input range, dropout, current limit), consult the LT3097 datasheet.

Features

Here are the key features of LT3097ADJC#PBF (adjustable current regulator):
- High voltage, 8‑pin Pb‑free package (ADJ version) with wide temp range
- Wide input voltage range (high enough for many LED and bias apps)
- Output current programmable with a single external resistor (Iout = Vref/Rset)
- Can source or sink current for versatile LED/bias applications
- Remote sensing input for improved load regulation
- Internal current limit and thermal/shutdown protection
- Fast transient response and good line/load regulation
- Suitable for low‑noise, precision constant‑current applications
- Used for LED drivers, bias networks, and other constant‑current needs
Note: Vref and exact Iout equations are in the datasheet; verify the precise figures for this variant.

Package

8-pin Small-Outline IC package (SO-8), Pb-Free (PBF).

Pinout

- Pin count: 8 pins (Pb-free package).
- Function: Adjustable current source/sink (current regulator). The output current is set with an external resistor on the ISET pin and used to drive loads such as LEDs or precision current sources.

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI). It is a multinational American semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits (e.g., regulators, data converters, amplifiers, sensors). ADI acquired Linear Technology, and LT parts like the LT3097 are now part of its product line. Headquarters in Norwood, Massachusetts; publicly traded.

Application

LT3097ADJC#PBF is a high-side, adjustable current regulator. Typical applications include:
- Constant-current LED drivers (backlight/display, automotive lighting)
- Programmable current sources/sinks for power-management and test equipment
- Current-limited power supplies and battery charging/discharging circuits
- Precision current source/protection circuits for instrumentation and automotive/industrial systems

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