Overview
The LM5013QDDARQ1, produced by Texas Instruments, is a 6-V to 100-V input, 3.5-A non-synchronous buck DC/DC converter designed for high-performance and rugged applications, particularly in the automotive sector. This component is AEC-Q100-qualified for automotive applications and features ultra-low quiescent current (IQ), making it suitable for efficient power management in various systems. The LM5013QDDARQ1 operates over a wide input voltage range, minimizing the need for external surge suppression components, and is optimized for ultra-low EMI requirements, meeting the CISPR 25 class 5 standard.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 6 V to 100 V |
| Output Current | Up to 3.5 A |
| Ambient Temperature Range | –40°C to +125°C |
| Junction Temperature Range | –40°C to +150°C |
| Quiescent Current (IQ) | 3.1 µA (shutdown), 10 µA (no-load sleep) |
| Switching Frequency | Up to 1 MHz |
| Package Type | 8-pin HSOIC (DDA) |
| Minimum Controllable On Time | 50 ns |
| Internal Soft-Start Timer | 3.5 ms |
| Protection Features | Peak current-limit, input UVLO, thermal shutdown with automatic recovery |
Key Features
- Constant on-time (COT) control architecture for nearly constant switching frequency and excellent load and line transient response.
- Integrated 100-V, 0.25-Ω power MOSFET.
- Ultra-low IQ operation for high light-load efficiency.
- Innovative peak overcurrent protection.
- Integrated VCC bias supply and bootstrap diode.
- Precision enable and input UVLO.
- Thermal shutdown protection with automatic recovery.
- Open-drain PGOOD indicator for sequencing, fault reporting, and output voltage monitoring.
- No loop compensation components required.
- Pin-to-pin compatible with the LM5163-Q1 and LM5164-Q1.
Applications
The LM5013QDDARQ1 is particularly suited for high-performance 48-V battery automotive applications, including Mild Hybrid Electric Vehicles (MHEV) and Electric Vehicles (EV) systems. It is also ideal for scalable automotive power supplies due to its wide input voltage range and robust protection features.
Q & A
- What is the input voltage range of the LM5013QDDARQ1? The input voltage range is 6 V to 100 V.
- What is the maximum output current of the LM5013QDDARQ1? The maximum output current is up to 3.5 A.
- Is the LM5013QDDARQ1 AEC-Q100-qualified? Yes, it is AEC-Q100-qualified for automotive applications.
- What is the ambient temperature range for the LM5013QDDARQ1? The ambient temperature range is –40°C to +125°C.
- What protection features does the LM5013QDDARQ1 have? It includes peak current-limit protection, input UVLO, and thermal shutdown protection with automatic recovery.
- Does the LM5013QDDARQ1 require external loop compensation components? No, it does not require external loop compensation components.
- What is the minimum controllable on time of the LM5013QDDARQ1? The minimum controllable on time is 50 ns.
- Is the LM5013QDDARQ1 optimized for EMI requirements? Yes, it is optimized for ultra-low EMI requirements and meets the CISPR 25 class 5 standard.
- What is the quiescent current (IQ) of the LM5013QDDARQ1 in shutdown mode? The quiescent current in shutdown mode is 3.1 µA.
- Can the LM5013QDDARQ1 be used in high-performance 48-V battery automotive applications? Yes, it is an excellent choice for such applications.
