Richtek USA Inc.
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RT9058-90GX
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RT9058-90GX

Product Overview

Category: Voltage Regulator
Use: Power management
Characteristics: Low dropout, high accuracy
Package: SOT-23-5
Essence: Regulating voltage
Packaging/Quantity: Tape & Reel, 3000 units

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage: 0.8V to 3.3V
  • Dropout Voltage: 150mV at 300mA
  • Quiescent Current: 75µA
  • Load Regulation: 0.1%
  • Line Regulation: 0.04%

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. EN (Enable)
  4. BP (Bypass)
  5. VOUT (Output Voltage)

Functional Features

  • Low dropout voltage
  • High accuracy over line and load variations
  • Thermal shutdown protection
  • Short-circuit current limit

Advantages and Disadvantages

Advantages: - Wide input voltage range - Low quiescent current - Small package size

Disadvantages: - Limited output current capability - Requires external capacitors for stability

Working Principles

The RT9058-90GX is a low dropout voltage regulator that maintains a stable output voltage even when the input voltage is close to the output voltage. It achieves this by using a P-channel MOSFET pass element to minimize dropout voltage.

Detailed Application Field Plans

  1. Battery-powered devices
  2. Portable consumer electronics
  3. Industrial control systems
  4. IoT devices
  5. Medical instruments

Detailed and Complete Alternative Models

  1. LM1117
  2. MCP1700
  3. XC6206

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de RT9058-90GX en soluciones técnicas

  1. What is the maximum input voltage for RT9058-90GX?

    • The maximum input voltage for RT9058-90GX is 5.5V.

  2. What is the typical output current of RT9058-90GX?

    • The typical output current of RT9058-90GX is 300mA.

  3. Can RT9058-90GX be used in battery-powered applications?

    • Yes, RT9058-90GX is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.

  4. What are the typical applications for RT9058-90GX?

    • Typical applications for RT9058-90GX include portable devices, IoT devices, and battery-powered systems.

  5. Does RT9058-90GX have built-in thermal shutdown protection?

    • Yes, RT9058-90GX features built-in thermal shutdown protection to prevent overheating.

  6. What is the operating temperature range for RT9058-90GX?

    • The operating temperature range for RT9058-90GX is -40°C to 85°C.

  7. Is RT9058-90GX compatible with ceramic capacitors?

    • Yes, RT9058-90GX is compatible with ceramic capacitors, which helps reduce the overall solution size.

  8. What is the dropout voltage of RT9058-90GX at full load?

    • The dropout voltage of RT9058-90GX at full load is typically 250mV.

  9. Can RT9058-90GX be used in automotive applications?

    • Yes, RT9058-90GX is suitable for automotive applications, provided it meets the specific requirements and standards for automotive electronics.

  10. Does RT9058-90GX require an external compensation network?

    • No, RT9058-90GX does not require an external compensation network, simplifying the design and reducing component count.