aat3192 Datasheet - Analogictech
The AAT3192 is a 3-channel, high-brightness LED driver designed for use in handheld devices such as cell phones, smart phones, and other portable applications.
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📝 Component Overview
The AAT3192 is a 3-channel, high-brightness LED driver designed for use in handheld devices such as cell phones, smart phones, and other portable applications. It is capable of delivering up to 30mA per channel, making it suitable for driving high-brightness LEDs. The device features a 2-wire serial interface for controlling the LED current and has a built-in soft-start function to prevent inrush current. The AAT3192 also includes over-temperature protection and an open/short LED detection circuit to ensure reliable operation.
Key Features and Benefits
- 3-channel high-brightness LED driver
- Up to 30mA per channel
- 2-wire serial interface
- Built-in soft-start function
- Over-temperature protection
- Open/short LED detection circuit
- Low dropout voltage
- High accuracy current regulation
Typical Applications
- Cell phones
- Smart phones
- Portable media players
- Digital cameras
- Handheld gaming devices
- LED lighting systems
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Input Voltage | 6V |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -40°C to +150°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Current Accuracy | VIN = 3.6V, IOUT = 10mA | 5% | 10% | 15% | % |
| Dropout Voltage | IOUT = 30mA | 0.3V | 0.5V | 0.7V | V |
Package Information
- SC70JW-10: 10-lead SC70JW package
Pin Configuration
- Pin 1: VIN - Input voltage pin
- Pin 2: GND - Ground pin
🔧 Application Guidelines
Design Considerations
The AAT3192 is designed to drive high-brightness LEDs in handheld devices. When designing with this device, consider the input voltage, output current, and thermal management to ensure reliable operation.
Installation Guidelines
The AAT3192 is available in a SC70JW-10 package. Ensure proper soldering and PCB layout to prevent thermal issues and ensure reliable operation.
Operational Notes
The AAT3192 has a built-in soft-start function to prevent inrush current. It also features over-temperature protection and an open/short LED detection circuit to ensure reliable operation.