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RT9013-33GU5

Name: RT9013-33GU5
Rating: 4.7 (12 reviews)

IC REG LINEAR 3.3V 500MA SC70-5

メーカー
Mfr。パート #RT9013-33GU5
パッケージ SC-70-5
データシート
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仕様

Package	Tape & Reel (TR)
ProductStatus	Active
OutputConfiguration	Positive
OutputType	Fixed
NumberofRegulators	1
Voltage-Input(Max)	5.5V
Voltage-Output(Min/Fixed)	3.3V
VoltageDropout(Max)	0.4V @ 500mA
Current-Output	500mA
Current-Quiescent(Iq)	50 µA
PSRR	50dB (10kHz)
ControlFeatures	Enable
ProtectionFeatures	Over Current, Over Temperature
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	5-TSSOP, SC-70-5, SOT-353

概要

Description

RT9013-33GU5 is a fixed 3.3 V low-dropout (LDO) regulator from Richtek (RT9013 family). It accepts a modest input voltage (typically up to about 6 V) and provides a stable 3.3 V output to power microcontrollers, sensors, and other low-power circuits. The GU5 suffix denotes a compact package variant (small SOT-23-5/SC-70-6 style). Key features: fixed 3.3 V output, enable input for power saving, protection against short-circuits and thermal overload, and low quiescent current suitable for battery-powered designs. Typical usage: space-constrained boards and wearables requiring a simple 3.3 V rail. Pinout generally includes Vin, GND, Vout, EN, and a fifth pin that is either NC or BYPASS depending on the exact package; check the specific datasheet for your variant. In short, a small, easy-to-use 3.3 V regulator for compact embedded and mobile applications. For exact electrical specs and package details, refer to the RT9013-33GU5 datasheet.

Features

RT9013-33GU5 is a fixed 3.3V low-dropout regulator in a 5-pin package. Key features:
- Fixed 3.3V output
- Wide input range suitable for batteries/USB (up to about 5.5V)
- Low dropout for efficient operation
- Very low quiescent current (low power in absence of load)
- Enable pin to turn regulator on/off
- Protection: current limit/short-circuit protection and thermal shutdown
- Stable with low-ESR ceramic output capacitors
- Low output noise and good PSRR
- RoHS compliant, compact package (GU5, 5-pin)

Package

The RT9013-33GU5 is supplied in a SOT-23-5 (U5) 5-pin surface-mount package (SC-74A).

Pinout

- Pin count: 5 pins (SOT-23-5 package, suffix GU5).
- Pin functions (typical for RT9013-33 in the 5‑pin package):
1. VIN — regulator input (raw supply).
2. EN / SHDN — enable / shutdown control (logic pin to turn the regulator on/off).
3. VOUT — regulated 3.3 V output.
4. GND — ground reference.
5. BYP / NC — bypass/no‑connect (used for optional noise bypass capacitor on some variants or left NC).
Note: Exact pin numbering and BYP behavior should be confirmed from the RT9013 datasheet for the GU5 variant before PCB layout.

Manufacturer

- Manufacturer: Richtek Technology Corp. (Richtek)
- What kind of company: A Taiwanese fabless semiconductor company that designs and markets power-management ICs (DC-DC converters, LDOs, PMICs, etc.) and outsources manufacturing to foundries.

Application

RT9013-33GU5 is a fixed 3.3V LDO regulator. Typical applications include:
- Mobile/portable and battery-powered devices
- Power rails for MCUs, DSPs, memory, and digital logic
- LCD/TFT modules and camera modules
- RF modules, GPS receivers, and other wireless/communication ICs
- USB peripherals and general consumer electronics requiring a stable 3.3V supply from higher input voltages

Equivalent

Common substitutes for the RT9013-33 (3.3 V LDO) include: AMS1117-3.3 / LD1117-3.3, MIC5219-3.3, MCP1700-33, TLV70033, XC6206-33, AP7331-33 and LD3985-3.3. Check package pinout, dropout voltage, max output current and quiescent/current-limits before swapping, as direct interchangeability depends on those specs.