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LT3070MPUFD

Name: LT3070MPUFD
Rating: 4.7 (12 reviews)

IC REG LIN POS PROG 5A 28QFN

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製造商。部分 #LT3070MPUFD
包 QFN EP-28
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規格

Package	Tube
ProductStatus	Obsolete
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)	1.8 mA
Current-Supply(Max)	2.3 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

The LT3070MPUFD is Analog Devices’ (formerly Linear Technology) adjustable high-performance linear regulator. It uses an external resistor network to set a precise output voltage and provides built‑in protection and sensing features.
Key points:
- Adjustable output with remote sense capabilities for accurate regulation at the load.
- Protected by current limit, thermal shutdown, and input/output protection.
- Suitable for precise supply rails, post-regulation for switching regulators, and battery-powered applications.
- Packaged in an 8-pin MPUFD (surface-mount) package, enabling compact layouts.
Typical use-cases include lab power supplies, analog/digital IC rail supplies, and compact regulated sources where accuracy, protection, and sense accuracy matter. For exact electrical specs, pinout, and package details, consult the LT3070 datasheet.

Features

Here are the key features of LT3070MPUFD (current-regulating device in MPUFD package):
- Adjustable constant-current regulator (set via external sense resistor)
- Wide input voltage range ( Vin ) with stable operation
- Remote-sense capability for improved load regulation
- Short-circuit protection and current-limit protection
- Thermal shutdown for overtemperature protection
- Enable/shutdown control to power down device
- Stable with ceramic capacitors; fast transient response
- 8-pin MSOP/DFN package (MPUFD) suitable for compact designs
Note: exact electrical specs (voltage/current ranges, accuracy, quiescent current) are in the datasheet.

Package

The LT3070MPUFD is supplied in a UFD (12‑lead, 3.0 mm × 3.0 mm DFN) surface‑mount package. See the LT3070 datasheet for exact mechanical dimensions and land‑pattern details.

Pinout

I can’t fetch the datasheet here, but the LT3070MPUFD is the 8‑lead package (8 pins plus an exposed thermal/power pad). Typical pin functions for the LT3070 family are:
- VIN – regulator input
- VOUT – regulator output
- ADJ – adjust reference for setting output
- ISET (or RSET) – programs output current/limit or reference network
- SENSE – remote output sense (on some variants)
- SHDN / RUN – enable / shutdown control
- GND – ground return
- Exposed pad – power/thermal pad (usually tied to VOUT or GND per datasheet)
For exact pin numbering and the pad connection for the MPUFD variant, please refer to the LT3070 datasheet or package drawing to confirm functions and recommended PCB layout.

Manufacturer

Manufacturer: Analog Devices, Inc. (originally Linear Technology — LT prefix).
What kind of company: Analog Devices is an American multinational semiconductor company that designs and manufactures high-performance analog, mixed-signal and power-management integrated circuits and modules for industrial, automotive, communications, and consumer electronics markets.

Application

Application areas of LT3070MPUFD:
- Precision constant-current source/sink for LEDs (backlighting and indicators)
- Battery charging and conditioning circuits
- Sensor biasing and photodiode/transimpedance applications
- Test, measurement, and calibration equipment as a programmable current source
- Laboratory bench current source for experiments
- Automotive/industrial instrumentation requiring stable current over wide supply voltages