LTC3130IUDC

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LTC3130IUDC

IC REG BCK BST ADJ 600MA 20QFN

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規格

Package Tube
ProductStatus Obsolete
Function Step-Up/Step-Down
OutputConfiguration Positive
Topology Buck-Boost
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 2.4V
Voltage-Input(Max) 25V
Voltage-Output(Min/Fixed) 1V
Voltage-Output(Max) 25V
Current-Output 600mA
Frequency-Switching 1.2MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 20-WFQFN Exposed Pad

概述

Description

LTC3130IUDC is an Analog Devices (formerly Linear Technology) DC-DC switching regulator controller in the LTC3130 family. The IUDC suffix denotes its package/temperature variant. It is used to convert a varying input voltage to a stable, efficiently regulated output for battery-powered and automotive applications.
Key points:
- Features PWM control with options for light-load efficiency and built-in protection (overcurrent/short-circuit, thermal shutdown).
- Typically requires external power MOSFETs and external passive components (inductor, capacitors, feedback divider, compensation network) to form a buck converter; some variants may include FETs.
- Suitable for compact, high-efficiency step-down regulation across a wide input range and various output voltages.
How to start:
- Consult the LTC3130IUDC datasheet for exact specs, pinout, switching frequency, input/output ranges, and current capability.
- Use the evaluation board and reference designs to validate topology and layout.
- Plan power stage (FETs, inductor, input/output caps) and feedback/compensation networks per the datasheet recommendations.

Package

I can’t fetch the datasheet right now. Typically, the “IUD” suffix denotes a 16‑lead UDFN/DFN package. Please verify the exact package type and dimensions in the LTC3130 datasheet on the Analog Devices website.

Pinout

- Pin count: 16 pins
- Function: High‑voltage buck regulator controller/driver (DC‑DC switching regulator). Used to regulate a higher input voltage down to a lower output, typically via external inductor, diode/MOSFETs and feedback network; supports PWM/current‑mode control.

Manufacturer

Manufacturer: Analog Devices, Inc. (the LTC3130 family was originally from Linear Technology — “LTC” — now part of Analog Devices).
What kind of company: Analog Devices is a semiconductor company that designs and manufactures analog, mixed-signal and power-management integrated circuits (ICs) used in industrial, automotive, communications, and consumer electronics.

Application

LTC3130IUDC is a high‑efficiency buck/boost DC‑DC regulator. Typical applications:
- Automotive and industrial power management over wide input ranges
- Battery-powered handheld devices needing a stable rail from fluctuating sources
- Solar/battery‑backup and backup power systems
- Point‑of‑load regulators for microprocessors, FPGAs, DSPs
- Telecom/USB power rails requiring high efficiency with variable inputs

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