Overview
The UC2845DTRG4 is a high-performance Current-Mode PWM Controller manufactured by Texas Instruments. Designed for power management applications, this component is widely used in various electronic systems requiring precise control of switching power supplies. Its compact 14-SOIC package and robust design make it suitable for industrial, automotive, and consumer electronics applications. The UC2845DTRG4 is particularly valued for its high efficiency, reliability, and ability to operate under a wide range of temperatures.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Brand Name | Texas Instruments | - | - |
| Lead-Free | Yes | - | - |
| RoHS Compliance | Yes | - | - |
| Package | 14-SOIC | - | SOP, SOP14,.25 |
| Pin Count | 14 | - | - |
| Control Mode | Current-Mode | - | - |
| Control Technique | Pulse Width Modulation | - | - |
| Maximum Input Voltage | 25 | V | - |
| Minimum Input Voltage | 8.2 | V | - |
| Nominal Input Voltage | 15 | V | - |
| Maximum Output Current | 1 | A | - |
| Nominal Output Voltage | 5 | V | - |
| Maximum Operating Temperature | 85 | °C | - |
| Minimum Operating Temperature | -40 | °C | - |
| Switching Frequency | 450 | kHz | - |
| Rise Time | 50 | ns | - |
| Fall Time | 50 | ns | - |
Key Features
- Current-Mode PWM Control for precise regulation.
- Wide input voltage range (8.2V to 25V) for versatile applications.
- High switching frequency of 450 kHz for efficient power conversion.
- Robust design with a temperature range of -40°C to 85°C.
- Compact 14-SOIC package for space-constrained designs.
Applications
The UC2845DTRG4 is extensively used in power supply systems across various industries. Its primary applications include:
- Industrial Automation: Provides reliable power control in motor drives and control systems.
- Automotive Electronics: Ensures efficient power management in automotive systems.
- Consumer Electronics: Used in adapters, chargers, and other portable devices.
- Telecommunications: Supports stable power delivery in communication equipment.
Q & A
1. What is the control technique used in UC2845DTRG4?
The UC2845DTRG4 uses Pulse Width Modulation (PWM) for precise control of power delivery.
2. What is the maximum input voltage supported?
The maximum input voltage is 25V.
3. Is the UC2845DTRG4 RoHS compliant?
Yes, it is RoHS compliant.
4. What is the operating temperature range?
It operates from -40°C to 85°C.
5. What is the switching frequency of UC2845DTRG4?
The switching frequency is 450 kHz.
6. Can it be used in automotive applications?
Yes, it is suitable for automotive electronics.
7. What is the package type?
It comes in a 14-SOIC package.
8. What is the nominal output voltage?
The nominal output voltage is 5V.
9. Does it support lead-free assembly?
Yes, it is lead-free.
10. What is the maximum output current?
The maximum output current is 1A.
