Allicdata Part #: | MIC38HC45-1BN-ND |
Manufacturer Part#: |
MIC38HC45-1BN |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microchip Technology |
Short Description: | IC REG CTRLR MULT TOPOLOGY 14DIP |
More Detail: | Buck, Boost, Flyback, Forward Converter Regulator ... |
DataSheet: | MIC38HC45-1BN Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Frequency - Switching: | -- |
Base Part Number: | MIC38HC45 |
Supplier Device Package: | 14-DIP |
Package / Case: | 14-DIP (0.300", 7.62mm) |
Operating Temperature: | -40°C ~ 85°C (TA) |
Control Features: | Frequency Control |
Serial Interfaces: | -- |
Clock Sync: | No |
Synchronous Rectifier: | Yes |
Duty Cycle (Max): | 50% |
Series: | -- |
Voltage - Supply (Vcc/Vdd): | 7.6 V ~ 20 V |
Output Phases: | 1 |
Number of Outputs: | 1 |
Topology: | Buck, Boost, Flyback, Forward Converter |
Output Configuration: | Positive, Isolation Capable |
Function: | Step-Up, Step-Down, Step-Up/Step-Down |
Output Type: | Transistor Driver |
Part Status: | Obsolete |
Packaging: | Tube |
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The MIC38HC45-1BN is a switching regulator that can detect voltage level variations on a single supply line and send the detected signal to a power management integrated circuit (PMIC) for adjustment. It is specifically designed for applications that require a wide range of current, voltage and power management capabilities. The MIC38HC45-1BN is a special type of DC-DC controller, which means it provides a regulated voltage from an unregulated input by switching power at a certain frequency. The controller uses pulse width modulation (PWM) to regulate the switching frequency. The output voltage is determined by the duty cycle of the PWM, which can be adjusted to maintain the output voltage at the desired level.
The MIC38HC45-1BN is designed to provide efficient power conversion, excellent transient response, and wide operating temperature range. It can handle output currents up to 15A with 2.5V to 42V input voltage range, thus making it suitable for a wide range of power management applications. It features a low start-up voltage (<1V), adjustable soft-start for reducing input and output surge currents, programmable switching frequency up to 350kHz, high efficiency (greater than 90%), and low ripple noise.
The MIC38HC45-1BN is primarily used in environments where power is limited, such as portable and small form-factor devices. It has a multitude of applications, including power management, battery charging, and battery management. Its wide range of output current capabilities make it suitable for advanced solutions for harsh industrial environments, automotive application, motor control, LED lighting, and other high power applications.
The MIC38HC45-1BN operates by monitoring voltage levels on the input and output lines and sending a signal to its PMIC that activates or deactivates its switching elements to regulate the output voltage. It detects the current and voltage levels by measuring the voltage across its sensing pins. The PWM signal is then generated based on these detected levels. The duty cycle of the PWM signal determines the output voltage, and the controller\'s output voltage can be adjusted by changing the duty cycle of the PWM signal.
The MIC38HC45-1BN switching is controlled by its internal logic, which provides various characteristics and tunable parameters that can be adjusted by the user depending on their application, such as switching frequency and duty cycle. It also features a programmable soft-start for reducing surge currents at both the input and output terminals as well as programmable over-current/over-voltage protection for enhanced reliability.
In conclusion, the MIC38HC45-1BN is a high-performance DC-DC controller that offers excellent voltage, current and power management capabilities. It is suitable for a wide range of applications, from simple portable devices and small form-factor solutions to advanced industrial and automotive solutions under harsh environments. Its low start-up voltage and adjustable soft-start ensure excellent reliability. Furthermore, its programmable switching frequency, adjustable duty cycle, and programmable over-current/over-voltage protection provide great flexibility for user design.
The specific data is subject to PDF, and the above content is for reference
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