Overview
The ADP3050AR-3.3-RL7 is a current mode monolithic buck (step-down) PWM switching regulator produced by Analog Devices Inc. This component is designed to provide high efficiency and reliability in various power management applications. It features a high current 1 A power switch and includes all necessary control and logic functions within a single package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.6 to 30 | V |
| Output Voltage | 3.3 V (fixed) | V |
| Output Current | 1 A | A |
| Oscillator Frequency | 170 to 200 kHz | kHz |
| Minimum Duty Cycle | 10 % | % |
| Maximum Duty Cycle | 90 % | % |
| Average Output Current Limit | 1.0 to 1.5 A | A |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 8-lead SOIC (RoHS-compliant) |
Key Features
- Wide input voltage range: 3.6 V to 30 V
- Fixed output voltage option: 3.3 V
- Integrated 1 A power switch
- Current mode control for improved transient response
- Foldback current limit to reduce stress under fault conditions
- Small surface-mount package (8-lead SOIC)
Applications
- Power supplies for industrial and consumer electronics
- Point-of-load (POL) regulators in distributed power systems
- Battery-powered devices requiring efficient power conversion
- Telecommunication and networking equipment
- Automotive and aerospace systems requiring robust power management
Q & A
- What is the input voltage range of the ADP3050AR-3.3-RL7?
The input voltage range is from 3.6 V to 30 V.
- What is the fixed output voltage of the ADP3050AR-3.3-RL7?
The fixed output voltage is 3.3 V.
- What is the maximum output current of the ADP3050AR-3.3-RL7?
The maximum output current is 1 A.
- What is the oscillator frequency range of the ADP3050AR-3.3-RL7?
The oscillator frequency range is from 170 kHz to 200 kHz.
- What is the operating temperature range of the ADP3050AR-3.3-RL7?
The operating temperature range is from -40°C to +85°C.
- What type of package does the ADP3050AR-3.3-RL7 come in?
The component comes in an 8-lead SOIC package, which is RoHS-compliant.
- How does the ADP3050AR-3.3-RL7 manage current limiting?
The ADP3050AR-3.3-RL7 features a foldback current limit that reduces the switching frequency under fault conditions to reduce stress on the IC and external components.
- Can the output voltage of the ADP3050AR-3.3-RL7 be adjusted?
While the ADP3050AR-3.3-RL7 has a fixed output voltage of 3.3 V, other versions of the ADP3050 (like the ADP3050AR) allow for adjustable output voltages between 1.25 V and 12 V.
- What are some common applications for the ADP3050AR-3.3-RL7?
Common applications include power supplies for industrial and consumer electronics, point-of-load regulators, battery-powered devices, telecommunication equipment, and automotive systems.
- Is the ADP3050AR-3.3-RL7 still in production?
No, the ADP3050AR-3.3-RL7 has been discontinued by Analog Devices Inc. as per their product discontinuance notice.
