RT9053AZQW

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RT9053AZQW

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IC REG LIN POS ADJ 400MA 6WDFN

  • HerstellerRichter USA Inc.

  • Herstellerteil #RT9053AZQW

  • Paket WDFN-6

  • Auf Lager5335

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 5.5V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 5.15V
VoltageDropout(Max) 0.35V @ 400mA
Current-Output 400mA
Current-Quiescent(Iq) 50 µA
PSRR 56dB ~ 35dB (1kHz ~ 10kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 6-WDFN Exposed Pad

Übersicht

Description

RT9053AZQW is a RichTek RT9053 family buck regulator IC in a QFN package (suffix QW). It’s used for efficient step-down power conversion in mobile/embedded devices. Typical features include an integrated switching regulator, enable control, adjustable output via resistor divider, soft-start, and protections such as overcurrent, overtemperature, and undervoltage lockout. It’s suitable for powering cores, memory, or other rails in boards and wearables. For exact specifications (input range, output voltage options, switching frequency, current limit) please consult the latest RT9053AZQW datasheet or distributor listing.

Equivalent

I can provide equivalents, but I need the device’s function. RT9053AZQW could be an LDO, DC-DC regulator, or LED driver. Please specify:
- exact function and key specs (Vin, Vout, Iout)
- package (QW) and temp grade
- any datasheet/BOM link
Then I’ll supply cross-references from TI, Analog Devices, ON Semiconductor, ST, etc.

Features

Here are the typical features of RT9053AZQW (three-channel DC-DC buck regulator):
- 3-channel synchronous buck regulator with integrated MOSFETs
- Wide input range suitable for battery/USB rails
- Outputs are externally adjustable via feedback (per channel)
- High efficiency with good light-load performance (PWM/PFM modes)
- Enable/Shutdown control
- Soft-start to limit inrush
- Protection: over-current/short-circuit, over-voltage, over-temperature
- Power-Good status indicator
- Small package: AZQW (typically a 16-pin QFN)
Note: For exact electrical specs (voltages, currents, switching frequency, etc.), please consult the official RT9053AZQW datasheet.

Pinout

8 pins (AZQW package). It is a RichTek DC-DC buck regulator (step-down switching regulator) with integrated MOSFETs, plus enable/soft-start and feedback for setting the output voltage. For exact pinout and voltage ranges, refer to the datasheet for RT9053AZQW.

Manufacturer

- Manufacturer: Richtek Technology Corporation (Richtek Semiconductor).
- Company type: Taiwan-based fabless semiconductor company that designs and markets analog and mixed-signal power-management ICs (e.g., DC-DC converters, LDOs, LED drivers) for consumer electronics.

Application

RT9053AZQW is a high-efficiency DC-DC buck regulator used for power management in compact electronics. Typical applications include:
- Portable, battery-powered devices (phones, tablets, wearables, handhelds)
- IoT sensors and wireless modules
- Embedded systems and SoC power rails
- USB-powered devices and charging circuits
- LED backlight/LED driver regulation in small form-factor products

Package

RT9053AZQW is in a QFN package: 16 pins, 3.0 mm × 3.0 mm body, with an exposed pad (EP).

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