LTC3605IUF

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LTC3605IUF

IC REG BUCK ADJUSTABLE 5A 24QFN

  • Manufacturer
  • Mfr. Part #LTC3605IUF
  • Package QFN-20
  • Datasheet
  • In Stock3094

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Specifications

Package Tube
ProductStatus Obsolete
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4V
Voltage-Input(Max) 15V
Voltage-Output(Min/Fixed) 0.6V
Voltage-Output(Max) 19.8V
Current-Output 5A
Frequency-Switching 1MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 24-WFQFN Exposed Pad

Overview

Description

Introduction to LTC3605IUF
- What it is: A high-efficiency synchronous buck DC-DC regulator from Linear Technology (now Analog Devices), with integrated switching MOSFETs.
- Key features: current-mode control, adjustable output via a resistor divider, enable/shutdown, overcurrent and overtemperature protection, undervoltage lockout, and a programmable switching frequency. The synchronous design reduces or eliminates the need for an external diode.
- Package/suffix: IUF indicates the specific package and RoHS/temperature grade; verify exact details in the datasheet.
- Applications: suitable for automotive, industrial, and battery-powered systems requiring reliable step-down regulation.
- How to use: includes an external inductor and input/output capacitors; check the datasheet for pinout, Vin range, maximum output current, and exact fSW.
Note: For precise specifications, consult the LTC3605IUF datasheet.

Features

Here are the typical features of LTC3605IUF (concise):
- High‑efficiency synchronous buck regulator with integrated MOSFETs
- Wide input range suitable for battery or low‑voltage rails
- Adjustable output via external feedback network
- Up to about 3 A continuous output current
- Current‑mode control for fast transient response
- 100% duty‑cycle operation for very low output voltages
- Soft‑start and enable/shutdown control
- Protections: undervoltage lockout, overcurrent/short‑circuit protection, thermal shutdown
- External frequency/compensation options (as specified in datasheet)
- Power‑good indication
- Small package with IUF suffix for space‑constrained designs
Note: For exact electrical specs, pinout, and package details, refer to the LTC3605IUF datasheet.

Package

The LTC3605IUF is supplied in a 16‑lead, 4 mm × 4 mm QFN package with an exposed thermal pad for improved heat dissipation.

Pinout

- Pin count: 16 pins (16-pin package).
- Function: Dual synchronous buck switching regulator — a single-chip, dual-channel DC-DC converter with independent outputs (two interleaved buck regulators using external feedback to set voltages).

Manufacturer

The LTC3605IUF is made by Analog Devices (originally marketed under the Linear Technology/LTC brand). Analog Devices is a global semiconductor company that designs and manufactures analog, mixed‑signal and power‑management integrated circuits (ICs) for industrial, automotive, communications and consumer applications.

Application

LTC3605IUF is a dual 2A synchronous buck regulator. Typical applications:
- Portable/battery-powered devices (handhelds, cameras, phones)
- Two-rail point‑of‑load regulation for CPUs/DSPs/FPGA cores
- Embedded consumer electronics and small IT gear (tablets, cameras, wearables)
- Telecom/networking and instrumentation power supplies
- Automotive/industrial equipment needing compact, efficient DC‑DC conversion from 5V (or higher) supplies
(Compact PMIC power solution with two high‑efficiency buck regulators.)

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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