LT3070MPUFD#PBF

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LT3070MPUFD#PBF

IC REG LIN POS PROG 5A 28QFN

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規格

Package Tube
ProductStatus Active
OutputConfiguration Positive
OutputType Programmable
NumberofRegulators 1
Voltage-Input(Max) 3V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 1.8V
VoltageDropout(Max) 0.15V @ 5A
Current-Output 5A
Current-Quiescent(Iq) 1.5 mA
Current-Supply(Max) 10 mA
PSRR 66dB (120Hz)
ControlFeatures Enable, Power Good, Soft Start
ProtectionFeatures Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
OperatingTemperature -55°C ~ 125°C
MountingType Surface Mount
Package/Case 28-WFQFN Exposed Pad

概述

Description

LT3070MPUFD#PBF is Linear Technology’s LT3070 adjustable linear regulator in a Pb‑free MSOP-8 style package (MPUFD). The LT3070 is a versatile device that can operate as either a voltage regulator or a current regulator (via an external sense/setting resistor). It uses external resistors to set the output voltage (or current), and includes protections such as current limit, thermal shutdown, and input/output protection. It’s suitable for programmable supplies, LED drivers, and battery-powered apps needing a low‑noise, adjustable regulator with wide input/output range.
#PBF denotes Pb‑free (RoHS-compliant) packaging; MPUFD identifies the specific MSOP/DFN package variant. For exact electrical specs, recommended layouts, and application circuits, consult the LT3070 data sheet.

Features

Key features of LT3070MPUFD#PBF (Pb-Free):
- Adjustable constant‑current regulator with single‑resistor programming
- Remote sense capable for precise load current
- Wide input voltage range suitable for LED strings and high‑voltage apps
- Internal current limit and thermal shutdown protection
- Soft‑start to reduce inrush and LED flicker
- Fast transient response with good line/load regulation
- 8‑lead MSOP/FO package variant (MPUFD) with Pb‑Free (PBF) compliance
Note: For exact electrical specs (current range, accuracy, voltage ranges), please consult the latest datasheet.

Package

An 8‑lead MSOP‑style plastic package (MSOP‑8), Pb‑free RoHS (#PBF).

Pinout

- Pin count: 8 pins (8‑lead package).
- Function: Precision adjustable current regulator (voltage‑to‑current converter). It uses an internal reference and feedback to regulate a constant output current, set by a sense resistor (Iout ≈ Vref/Rset). Pb‑free variant (PBF) in MPUFD package.

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI), the company that acquired Linear Technology.
What kind of company: An American multinational semiconductor company that designs, manufactures, and markets analog, mixed-signal, and signal-processing integrated circuits.

Application

LT3070MPUFD#PBF is a 1.5 A adjustable constant-current regulator with current limit and thermal shutdown. Typical applications:
- Constant-current LED drivers/backlights
- Programmable current sources for DC supplies and battery chargers
- High-side or low-side current regulators with remote sensing
- Current sinks/sources for instrumentation and test equipment
- Portable/battery-powered regulation with protection

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