| Allicdata Part #: | QME48T40033-NGB0-ND |
| Manufacturer Part#: |
QME48T40033-NGB0 |
| Price: | $ 0.00 |
| Product Category: | Power Supplies - Board Mount |
| Manufacturer: | Bel Power Solutions |
| Short Description: | DC DC CONVERTER 3.3V 132W |
| More Detail: | Isolated Module DC DC Converter 1 Output 3.3V 4... |
| DataSheet: |  QME48T40033-NGB0 Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Current - Output (Max): | 40A |
| Control Features: | Enable, Active Low |
| Size / Dimension: | 2.30" L x 1.45" W x 0.43" H (58.4mm x 36.8mm x 10.8mm) |
| Package / Case: | 8-DIP Module, 1/4 Brick |
| Mounting Type: | Through Hole |
| Efficiency: | 91% |
| Operating Temperature: | -40°C ~ 85°C |
| Features: | Remote On/Off, OCP, OTP, OVP, UVLO |
| Applications: | ITE (Commercial) |
| Voltage - Isolation: | 2kV |
| Power (Watts): | 132W |
| Series: | QME48T40 |
| Voltage - Output 3: | -- |
| Voltage - Output 2: | -- |
| Voltage - Output 1: | 3.3V |
| Voltage - Input (Max): | 75V |
| Voltage - Input (Min): | 36V |
| Number of Outputs: | 1 |
| Type: | Isolated Module |
| Part Status: | Obsolete |
| Packaging: | Bulk |
Description
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DC-DC Converters are used to convert from one DC voltage to another DC voltage, making them extremely versatile. The QME48T40033-NGB0 is a switching DC-DC converter, capable of providing high efficiency conversion and low ripple noise in a small, cost-effective package. It can be used for applications that require high-efficiency power conversion, such as automotive, industrial, and military applications. In this article, we will discuss the application field and working principle of the QME48T40033-NGB0.The QME48T40033-NGB0 is a dual step-down converter with constant frequency peak current mode control that can accept input voltages up to 40VDC. It provides a wide output voltage range of 0.8-30V with an output current of up to 16A. The device also features output disconnect with pins, enabling easy polarity reversal of the output voltage, and a built-in reverse current protection for PCB layout convenience.The power efficiency of the QME48T40033-NGB0 converters is exceptionally high, with a typical efficiency of 95%. Its peak current-mode control and constant frequency operation ensures stable output with a low noise ripple. The device provides a wide input to output voltage differential (up to 30V) while offering high boundary conduttance, allowing for efficient operation at lower input to output voltage ratios.In terms of its application field, the QME48T40033-NGB0 is well-suited for applications requiring high-efficiency power conversion such as automotive, industrial, and military applications. The device can be used in automotive systems for DC-DC power supply, as it features a wide input to output voltage differential, enabling efficient power conversion. In industrial applications, the device can be used for distributed power systems and industrial process control, as it features excellent power efficiency characteristics and low ripple noise. In military applications, the high reliability and peak current-mode control of the device make it an ideal choice for powering sensitive military systems.Now let’s delve into the working principle of the QME48T40033-NGB0. The device works on the basis of a switching power supply concept. The power supply is composed of an input voltage, which starts as a DC voltage, and is switched on and off using pulse-width modulation (PWM). The PWM triggers transistors to switch on and off, allowing current to either flow to the output or not. The frequency of the PWM is regulated by an oscillator circuit within the device. When the transistor switches on, the current through the inductor is increased, storing energy. When the transistor switches off, the stored energy is sent to the output. Due to the high efficiency of the QME48T40033-NGB0, only a small amount of energy is lost.Overall, the QME48T40033-NGB0 is an ideal choice for high-efficiency DC-DC power conversion applications in the automotive, industrial, and military fields. Its constant frequency peak current-mode control and high efficiency make it a reliable and efficient choice for power conversion. The device also features a wide input to output voltage differential, enabling efficient operation at lower input to output voltage ratios.
The specific data is subject to PDF, and the above content is for reference
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