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RT8580GE

Name: RT8580GE
Rating: 4.7 (12 reviews)

IC REG BOOST ADJ 330MA SOT23-6

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製造商。部分 #RT8580GE
包 SOT-23-6
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Function	Step-Up
OutputConfiguration	Positive
Topology	Boost
OutputType	Adjustable
NumberofOutputs	1
Voltage-Input(Min)	3V
Voltage-Input(Max)	5.5V
Voltage-Output(Min/Fixed)	3V
Voltage-Output(Max)	40V
Current-Output	330mA (Switch)
Frequency-Switching	500kHz
SynchronousRectifier	No
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	SOT-23-6

概述

Description

RT8580GE is a RichTek DC-DC converter (step-down regulator) used to efficiently generate lower voltages from a higher input in compact electronics. It’s part of the RT8580 family and is designed for portable and consumer applications requiring good efficiency and small form factor.
Key points:
- Adjustable output via external resistor network; supports a range of output voltages.
- Features typical for modern regulators: enable control, soft-start, and protection features (overcurrent/short-circuit, thermal shutdown, UVLO).
- Fixed switching frequency for easier filtering and PCB design.
- RoHS/Green (suffix “GE” often denotes compliant packaging).
Common uses include power rails for CPUs, memory, displays, networking gear, and battery-powered devices. For exact specs—input voltage range, output range, load current capability, pinout, and recommended layouts—consult the official RT8580GE datasheet and application notes.

Features

RT8580GE is a RichTek high-efficiency buck regulator. Core features (typical, may vary by revision):
- Synchronous buck regulator for DC-DC conversion
- Input range up to about 40 V (supports wide Vin)
- Output current capability around 3 A (depending on version)
- Adjustable output via external feedback resistors (0.8 V reference)
- Switching frequency around 1–2.5 MHz (typical ~2.0 MHz)
- Auto mode: PWM/PFM for high efficiency at light/heavy load
- Current-mode control with fast transient response
- Soft-start to limit startup surge
- Enable pin with undervoltage lockout
- Protections: overcurrent/short-circuit, over-temperature, input/output protection, and sometimes OVP
- Low quiescent current for better efficiency in light load
- Package options typically small 8-pin (MSOP/SOIC/DFN) with thermal considerations
Note: exact specs (Vin range, Vout range, efficiency, package) can vary by lot/trim. Please refer to the official datasheet for precise values.

Package

I can’t access external datasheets right now. Typically, Richtek’s RT8580GE is supplied in a TSOT-23-5 (SOT-23-5) package; the “GE” suffix usually denotes a RoHS/green, lead‑free variant. Please check the manufacturer’s datasheet to confirm.

Manufacturer

The RT8580GE is manufactured by Richtek Technology Corporation. Richtek is a Taiwan‑based fabless semiconductor company that designs analog and mixed‑signal power‑management ICs (DC–DC converters, LDOs, battery/LED drivers and related power solutions).

Application

RT8580GE is used as a high-efficiency synchronous buck regulator. Common applications include:
- CPU/GPU VRMs for laptops, desktops, and servers
- DC-DC rails for motherboards and graphics cards
- LED backlight/LED-driver circuits
- DC-DC conversion in consumer electronics (TVs, monitors, tablets)
- Automotive 12V to lower rails (infotainment, ECUs)
- Telecom/industrial power-management modules