LT8648SHV#WPBF

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LT8648SHV#WPBF

IC REG BUCK ADJ 15A 36LQFN

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  • Mfr. Parte #LT8648SHV#WPBF
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Especificaciones

Series Silent Switcher®2
Part Status Discontinued at DigiKey
Base Product Number LT8648
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3V
Voltage - Input (Max) 42V
Voltage - Output (Min/Fixed) 0.6V
Voltage - Output (Max) 42V
Current - Output 15A
Frequency - Switching 200kHz ~ 2.2MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package 36-TFQFN Exposed Pad
Supplier Device Package 36-LQFN (7x4)
Packaging Tray
Grade Automotive
Qualification AEC-Q100

Descripción general

Description

LT8648SHV#WPBF is Analog Devices’ high‑voltage variant of the LT8648, a compact wide-input DC‑DC buck‑boost regulator in an 8‑pin WPBF package. The SHV suffix denotes the high‑voltage grade version, and WPBF is the Pb‑free package code (tape/ reel). This device can regulate output over a wide input range by automatically switching between buck and boost modes, making it suitable for automotive and industrial applications where input voltage swings above or below the desired output.
Key points:
- Wide input range with buck‑boost operation
- Synchronous switching with current‑mode control
- Overcurrent/thermal protection and soft‑start
- Small, Pb‑free WPBF package
For exact electrical specs, pinout, and application details, consult the LT8648 datasheet and product page for the WPBF variant.

Features

Here are the typical features of the LT8648SHV#WPBF (datasheet-level overview):
- Wide input range up to 60 V, suitable for automotive/industrial applications.
- Buck-boost regulator with seamless transition between buck and boost modes.
- Synchronous operation with internal high-side/low-side MOSFETs for high efficiency.
- Programmable output voltage via external feedback network; adjustable switching frequency.
- Protection features: overvoltage, undervoltage, overcurrent (cycle-by-cycle limit), short-circuit protection, and thermal shutdown.
- Soft-start and fault protection with enable/power-on reset options.
- Good transient response and high efficiency across load conditions.
- Compact WPBF packaging with good thermal performance and exposed pad.
Notes: For exact electrical specs (input range, output current, efficiency curves, exact pinout, and programming details), please refer to the LT8648SHV datasheet and the WPBF package guide.

Package

8-pin DFN package (3x3 mm) with exposed pad.

Pinout

Pin count: 16 pins (QFN package).
Function: High-voltage, synchronous buck-boost DC-DC regulator with integrated MOSFETs; supports buck, boost, and buck-boost regulation from a wide input range, with current-mode control and adjustable output via external feedback.

Manufacturer

- Manufacturer: Analog Devices, Inc. (the LT8648 originates from Linear Technology, which Analog Devices acquired in 2017).
- What kind of company: A global semiconductor company that designs and manufactures analog, mixed-signal, and power-management integrated circuits.

Application

LT8648SHV#WPBF is a wide-input buck‑boost regulator. Key applications:
- Automotive power systems with wide input transients
- Solar/battery harvesting and energy-storage interfaces
- Telecommunication and industrial power supplies
- UPS/back‑up power and distributed energy systems
- Portable/battery-powered equipment requiring a stable output from a variable input

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