LM828M5X/NOPB

Voltage - Output (Min/Fixed):	-Vin, 2Vin
Base Part Number:	LM828
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	12kHz
Current - Output:	25mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	1.8V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive or Negative
Function:	Ratiometric
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction
The LM828M5X/NOPB is a DC-DC switching voltage regulator that has been designed to achieve improved energy efficiency and reduced component count. With its advanced power conversion design combined with an integrated controller and integrated MOSFET technology, the LM828M5X/NOPB is capable of delivering up to 7A in a single operating temperature range of -40°C to +85°C. In addition, it has integrated protection features to protect itself from over-current, over-voltage and over-temperature. The LM828M5X/NOPB has been designed for a variety of applications, including industrial, consumer, automotive and medical applications.
Application Fields
The LM828M5X/NOPB has been designed for a variety of applications that require improved energy efficiency and reduced component count. The LM828M5X/NOPB can be used to power various consumer electronics and home automation applications, including TVs, alarm systems, HVAC systems, washing machines, air conditioning systems, DVD players, and medical equipment among others. Additionally, it can be used in industrial applications, including lighting controls and HVAC systems, as well as automotive applications such as engine control units, instrument clusters, and door locks.
The LM828M5X/NOPB is also suitable for battery operated systems, such as portable medical equipment, wearables and handheld devices, which require improved energy efficiency, reduced component count and miniaturization. With its advanced power conversion design, the LM828M5X/NOPB can provide a high efficiency solution for these applications.
Features and Benefits
The LM828M5X/NOPB features a high efficiency power conversion design with an integrated MOSFET technology and built-in controller. This allows for improved efficiency, reduced component count and eliminates the need for an external FET driver. In addition, the LM828M5X/NOPB includes integrated protection features such as over-current, over-voltage and over-temperature protection, providing a safe and reliable operation. The LM828M5X/NOPB also features a wide input voltage range of 2.95V to 14V, making it suitable for a variety of input sources, including a battery pack. Furthermore, the LM828M5X/NOPB provides a wide output voltage range of 0.8V to 15V, allowing it to be used in a variety of systems. Lastly, the LM828M5X/NOPB is available in a compact 8-pin PDIP package, providing an excellent solution for space conscious applications.
Working Principle
The LM828M5X/NOPB DC-DC switching voltage regulator uses a buck converter topology to provide a regulated output voltage from an unregulated input voltage. This is done by driving a power MOSFET switch with a fixed frequency oscillator and a current sensing feedback loop. The controller automatically adjusts the duty cycle of the switch to regulate the output voltage. The output voltage of the LM828M5X/NOPB can be adjusted by changing the frequency of the oscillator or by adding external resistors to the feedback loop.
The LM828M5X/NOPB also includes a built-in current limiting feature to protect itself against over current conditions. This feature monitors the output current of the LM828M5X/NOPB and limits it to a safe level in order to avoid damage to the device. With its advanced power conversion design, small size and integrated protection features, the LM828M5X/NOPB is an excellent choice for a variety of applications requiring improved energy efficiency and reduced component count.

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