LT8471IFE#PBF

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LT8471IFE#PBF

IC REG MULT CONFG ADJ DL 20TSSOP

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Specifications

Package Tube
ProductStatus Active
Function Step-Up, Step-Down, Step-Up/Step-Down
OutputConfiguration Positive or Negative
Topology Buck, Boost, Flyback, SEPIC
OutputType Adjustable
NumberofOutputs 2
Voltage-Input(Min) 2.6V
Voltage-Input(Max) 50V
Voltage-Output(Min/Fixed) 2.6V
Voltage-Output(Max) 50V (Switch)
Current-Output 1.35A (Switch), 2.1A (Switch)
Frequency-Switching 100kHz ~ 2MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 20-TSSOP (0.173, 4.40mm Width) Exposed Pad

Overview

Description

LT8471IFE#PBF is Linear Technology’s (now Analog Devices) wide-input DC-DC buck/boost controller. It enables buck, boost, or buck-boost conversion using external MOSFETs, optimized for high efficiency in automotive and industrial power supplies.
Key features (typical): current-mode control, programmable switching frequency, soft-start, and a robust protection suite (undervoltage lockout, overcurrent/short‑circuit protection, thermal protection). Designed for applications such as battery charging, solar systems, and general DC-DC power management.
Suffix notes: #PBF indicates Pb-free, RoHS-compliant packaging; IFE denotes the specific package variant used for this device.
For exact electrical specs (input voltage range, switching frequency, output capability) and typical application circuits, consult the LT8471IFE#PBF datasheet and manufacturer's resources.

Features

Here are the LT8471IFE#PBF key features (concise):
- Wide input range suitable for automotive/industrial applications
- Buck/Boost/Buck-Boost capability with external power MOSFETs
- Current-mode control with fast transient response and valley-current regulation
- Programmable switching frequency and soft-start
- Protective functions: UVLO, OVP, OCP (short-circuit protection), over‑temperature
- Enable/shutdown input and status/power-good signaling
- Robust fault handling (latch/hiccup options where applicable)
- Gate-drive circuitry for external MOSFETs; suitable for synchronous rectification
- Optional remote sensing and adjustable output voltage via feedback network
- High efficiency and compact 6–8 pin/leadframe RoHS package; PBF indicates RoHS lead-free
Note: exact packaging and integration level (external vs. internal FETs) should be checked in the current datasheet.

Package

LT8471IFE#PBF comes in an 8-pin MSOP package (MSOP-8), Pb-free.

Pinout

- Pin count: 8 pins (8-pin package)
- Function: LT8471IFE#PBF is a high‑voltage, primary‑side flyback controller for isolated power supplies. It provides current‑mode PWM control to drive an external MOSFET (and includes startup/UVLO, overcurrent protection, and feedback via auxiliary winding or optocoupler).

Manufacturer

Analog Devices, Inc. (ADI), formerly Linear Technology Corporation. ADI is a global American semiconductor company that designs and manufactures analog, mixed-signal, and power-management integrated circuits.

Application

Applications:
- High-efficiency bidirectional buck-boost power-path controller for battery charging/discharging
- Automotive 12–48V and industrial power systems
- Solar/energy-storage with battery support
- UPS/telecom backup power
- Portable equipment with seamless switchover
- AC/DC adapters that charge or draw from a battery

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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