LT8336HV#PBF

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LT8336HV#PBF

40V, 2.5A LOW IQ SYNC STEP-UP SI

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規格

Package Tray
ProductStatus Active
Function Step-Up
OutputConfiguration Positive
Topology Boost
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 2.7V
Voltage-Input(Max) 40V
Voltage-Output(Min/Fixed) 2.7V
Voltage-Output(Max) 40V
Current-Output 2.5A
Frequency-Switching 300kHz ~ 3MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 16-TFQFN Exposed Pad

概述

Description

LT8336HV#PBF is a high-voltage buck-boost controller from Analog Devices (Linear Technology) in a Plastic Leaded Package (PBF). It provides wide-input, versatile regulation for automotive/industrial power supplies. The HV variant supports a very wide input range (roughly up to 100V), enabling buck, boost, or buck-boost operation with external MOSFETs. It uses current-mode PWM control, programmable switching frequency, and protections such as overcurrent/short-circuit, overvoltage, and undervoltage lockout. It is a controller IC (not a complete regulator); external MOSFETs, inductor, diode (if asynchronous), and feedback network are required. Packaging PBF indicates RoHS-compliant Plastic Leaded Package. Typical applications: automotive power rails (12–24 V input to 5 V/12 V outputs), battery chargers, solar/BESS, etc. For exact electrical specs, pinout, and recommended external components, consult the LT8336HV datasheet and the evaluation resources from Analog Devices.

Package

LT8336HV#PBF is in a Pb-free 28‑pin QFN package with an exposed pad (approximately 4x5 mm).

Pinout

LT8336HV#PBF is a high‑voltage buck/boost controller (Pb‑free). It comes in a 16‑pin package (MSOP‑16/TSSOP‑16 or 4×4 mm QFN variants).
Typical pin functions (per the controller’s normal pinout, exact pad names depend on package):
- VIN: input supply for the controller
- GND: ground reference (often multiple grounds)
- LX/SW: switch node to the external MOSFET arrangement
- BOOT: bootstrap capacitor supply for high‑side gate drive
- EN/SHDN: enable/shutdown control
- FB: feedback input for output regulation
- IS/ISENSE: current‑sense input
- RT/CLK: timing resistor or clock input for switching frequency
- VCC or VREF: internal regulator supply or reference input
- COMP: error‑amp compensation node
- ILIM: current‑limit setting
- SYNC/PG: synchronization or power‑good/flag output
Note: exact pin names and order depend on the chosen package (MSOP‑16, TSSOP‑16, or QFN). For precise pin‑by‑pin mapping, refer to the LT8336HV data sheet for the specific package you’re using.

Manufacturer

Manufacturer: Analog Devices, Inc. (the former Linear Technology; LT83xx parts originated from Linear Technology, acquired by Analog Devices in 2017).
What kind of company: A global semiconductor company that designs, develops, and manufactures analog, mixed-signal, and DSP/power-management integrated circuits used in a wide range of electronics and systems.

Application

High-voltage, constant-current LED driver suitable for buck/boost operation. Applications: automotive lighting (headlamps, signal lamps, interior), off-line/retrofit LED lighting, high-brightness LED backlighting for LCDs and signage, architectural and stage lighting, and solar/battery-powered luminaires and LED strips from high-voltage sources.

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