LTC7801EUFD#TRPBF

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LTC7801EUFD#TRPBF

IC REG CTRLR SYNC BUCK 24QFN

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Spezifikationen

Supplier Analog Devices Inc.
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Down
OutputConfiguration Positive
Topology Buck
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 4V ~ 140V
Frequency-Switching 50kHz ~ 900kHz
DutyCycle(Max) 100%
SynchronousRectifier No
ClockSync No
ControlFeatures Current Limit, Power Good, Soft Start, Tracking
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 24-WFQFN Exposed Pad

Übersicht

Description

LTC7801EUFD#TRPBF is a high‑performance switching regulator controller from Linear Technology (now Analog Devices) used to implement high‑current, multi‑phase buck converters. It’s not a standalone regulator; it drives external MOSFETs and work with an inductor, diode (or synchronous MOSFETs), and feedback network to regulate DC input to a stable output with high efficiency.
Key points:
- Multi‑phase interleaved buck controller with current‑mode control
- Programmable switching frequency, soft‑start, enable/shutdown
- Protections such as overcurrent and thermal shutdown
- Requires external power components (FETs, inductor, catch diode or sync rectification)
Packaging suffixes:
- EUFD is the package code
- #TRPBF indicates Tape‑and‑Reel Pb‑free packaging
Typical uses: CPU/GPU core rails, telecom/network power supplies, and other high‑current DC‑DC applications.
For exact electrical specs, pinout, and application notes, consult the LTC7801 datasheet.

Features

Here are the key features of LTC7801EUFD#TRPBF (datasheet basics, packaged Pb-free, tape & reel):
- Wide input voltage range (up to about 60V) for automotive/industrial use
- Two-phase interleaved current-mode PWM control for high current applications
- External N-channel MOSFETs drive capability (allows high efficiency and power handling)
- Programmable switching frequency
- Synchronous rectification for improved efficiency
- Soft-start with cycle-by-cycle current limit
- Advanced protection: overcurrent/short-circuit, overvoltage, undervoltage lockout
- Thermal shutdown/thermal limiting
- Remote sense and feedback network options for accurate regulation
- Output voltage adjustable via external resistors with good accuracy
- Fault/status reporting options (latch/flags)
- Pb-free, RoHS compliant packaging; EUFD variant with Tape & Reel
Note: for exact pinout, voltage specs, and timing details, refer to the LTC7801 datasheet.

Package

An 8-pin MSOP (plastic small-outline) package. TRPBF indicates Tape‑and‑Reel, RoHS lead‑free version.

Pinout

- Pin count: 28 pins
- Function: A high-voltage switching regulator/controller that drives external MOSFETs to implement a DC-DC converter (buck/boost). It provides PWM control, feedback/error amp, current sensing/limit, soft-start, and protection features (UVLO, overcurrent/overvoltage).

Manufacturer

Analog Devices, Inc. (ADI) is the manufacturer. It is a multinational American semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits. The LTC7801 originated from Linear Technology, which ADI acquired in 2017.

Application

- Automotive and industrial DC-DC power supplies
- Telecom/datacom power modules
- Battery-powered portable devices
- Embedded systems and point-of-load regulators
- Motor drives and instrumentation power rails

Versand

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UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

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Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

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