RT9535AGQW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics:
  • High efficiency voltage regulator
  • Low power consumption
  • Small form factor
  • Wide input voltage range
• Package: QFN-16
• Essence: Voltage Regulator IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Output Current: Up to 1.5A
• Quiescent Current: 50µA (typical)
• Switching Frequency: 1.2MHz (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9535AGQW has a total of 16 pins arranged as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SS: Soft-start pin
6. PGND: Power ground pin
7. SW: Switch pin
8. LX: Inductor connection pin
9. AGND: Analog ground pin
10. COMP: Compensation pin
11. VCC: Supply voltage pin
12. BST: Bootstrap pin
13. PG: Power good pin
14. NC: No connection
15. NC: No connection
16. VOUT: Output voltage pin

Functional Features

• High efficiency synchronous step-down DC-DC converter
• Adjustable output voltage through external resistors
• Over-temperature protection
• Short-circuit protection
• Under-voltage lockout
• Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range allows for versatile applications - Small form factor enables compact designs - Low power consumption for energy-efficient systems - Comprehensive protection features ensure reliable operation

Disadvantages: - Limited output current compared to some other models - Requires external resistors for output voltage adjustment

Working Principles

The RT9535AGQW is a synchronous step-down DC-DC converter. It takes an input voltage within the range of 2.7V to 5.5V and efficiently converts it to a lower, adjustable output voltage between 0.8V and 3.6V. The integrated circuit utilizes a high-frequency switching mechanism to regulate the output voltage while minimizing power losses.

The device incorporates a feedback loop that compares the actual output voltage with a reference voltage. Any deviation from the desired output voltage is corrected by adjusting the duty cycle of the internal switches. This control mechanism ensures stable and accurate output voltage regulation.

Detailed Application Field Plans

The RT9535AGQW is widely used in various electronic devices and systems that require efficient power management. Some common application fields include:

1. Mobile devices (smartphones, tablets, portable media players)
2. Wireless communication systems
3. Battery-powered devices (laptops, digital cameras, handheld gaming consoles)
4. Industrial automation equipment
5. IoT (Internet of Things) devices
6. Automotive electronics
7. LED lighting systems

Detailed and Complete Alternative Models

1. RT9535BGQW: Similar specifications and features, but with a different package (DFN-16).
2. RT9535CGQW: Higher output current capability (up to 2A), otherwise similar to RT9535AGQW.
3. RT9535DGQW: Lower quiescent current (30µA typical), otherwise similar to RT9535AGQW.
4. RT9535EGQW: Extended temperature range (-40°C to +125°C), otherwise similar to RT9535AGQW.

These alternative models provide flexibility in choosing the most suitable option based on specific application requirements.

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