Overview
The LM2592HVS-3.3/NOPB is a monolithic integrated circuit from Texas Instruments, designed as a high-efficiency step-down (buck) switching regulator. This device is part of the SIMPLE SWITCHER series and is capable of driving a 2-A load with excellent line and load regulation. It is available in fixed output voltages, including 3.3 V, and an adjustable output version. The LM2592HV series is known for its simplicity, requiring a minimum number of external components, and includes internal frequency compensation and a fixed-frequency oscillator operating at 150 kHz.
Key Specifications
| Parameter | Conditions | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|---|
| Input Voltage (VIN) | - | - | 4.5 V | 60 V | V |
| Output Voltage (VOUT) | 4.75 V ≤ VIN ≤ 60 V, 0.2 A ≤ ILOAD ≤ 2 A | 3.3 V | 3.168 V / 3.135 V | 3.432 V / 3.465 V | V |
| Output Current (ILOAD) | - | - | - | 2 A | A |
| Switching Frequency | - | 150 kHz | 127 kHz | 173 kHz | kHz |
| Operating Temperature (TJ) | - | - | -40°C | 125°C | °C |
| Efficiency | VIN = 12 V, ILOAD = 2 A | 76% | - | - | % |
| Package | - | - | - | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA | - |
Key Features
- High-efficiency step-down (buck) switching regulator
- Capable of driving a 2-A load with excellent line and load regulation
- Available in fixed output voltages (3.3 V, 5 V) and an adjustable output version
- Internal frequency compensation and fixed-frequency oscillator operating at 150 kHz
- Simple to use, requiring a minimum number of external components
- Operating temperature range: -40°C to 125°C
- Input voltage range: 4.5 V to 60 V
- No synchronous rectifier
Applications
- Efficient preregulator for linear regulators
- On-card switching regulators
- Positive-to-negative converters
- General-purpose power supplies
- Industrial and automotive systems requiring high reliability and efficiency
Q & A
- What is the maximum output current of the LM2592HVS-3.3/NOPB?
The maximum output current is 2 A.
- What is the switching frequency of the LM2592HVS-3.3/NOPB?
The switching frequency is 150 kHz.
- What is the input voltage range for the LM2592HVS-3.3/NOPB?
The input voltage range is from 4.5 V to 60 V.
- What are the available output voltages for the LM2592HV series?
The available output voltages are fixed at 3.3 V and 5 V, and there is also an adjustable output version.
- What is the operating temperature range of the LM2592HVS-3.3/NOPB?
The operating temperature range is from -40°C to 125°C.
- What type of package is the LM2592HVS-3.3/NOPB available in?
The device is available in TO-263-6, D²Pak (5 Leads + Tab), and TO-263BA packages.
- Does the LM2592HVS-3.3/NOPB have a synchronous rectifier?
No, it does not have a synchronous rectifier.
- What is the efficiency of the LM2592HVS-3.3/NOPB at full load?
The efficiency is approximately 76% at VIN = 12 V and ILOAD = 2 A.
- What are some typical applications of the LM2592HVS-3.3/NOPB?
Typical applications include efficient preregulators for linear regulators, on-card switching regulators, positive-to-negative converters, and general-purpose power supplies.
- How many external components are required to use the LM2592HVS-3.3/NOPB?
The device requires a minimum number of external components, making it simple to use.
