Allicdata Part #: | NJU7665AF-TE1#-ND |
Manufacturer Part#: |
NJU7665AF-TE1# |
Price: | $ 0.48 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | NJR Corporation/NJRC |
Short Description: | IC REG SWITCHD CAP INV MTP5 |
More Detail: | Charge Pump Switching Regulator IC Negative Fixed ... |
DataSheet: | NJU7665AF-TE1# Datasheet/PDF |
Quantity: | 1000 |
3000 +: | $ 0.42865 |
Voltage - Input (Max): | 5.5V |
Supplier Device Package: | SOT-23-5 (MTP5) |
Package / Case: | SC-74A, SOT-753 |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 85°C (TA) |
Synchronous Rectifier: | No |
Frequency - Switching: | 7.5kHz |
Current - Output: | 500µA |
Voltage - Output (Max): | -- |
Voltage - Output (Min/Fixed): | -Vin |
Series: | -- |
Voltage - Input (Min): | 1.5V |
Number of Outputs: | 1 |
Output Type: | Fixed |
Topology: | Charge Pump |
Output Configuration: | Negative |
Function: | Ratiometric |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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NJU7665AF-TE1# Application Field and Working Principle
NJU7665AF-TE1#, a DC DC switching regulator, is designed for system on chip (SoC) voltage regulator, e-commerce applications and consumer electronics. This product is designed to sync the SoC voltage, by using pulse-width modulation (PWM) functions, to achieve better noise immunity and higher accuracy of the output. It is embedded with a high precision startup circuit, current limit and under-voltage lock-out, so operation is stable and secure.
This regulator functions for DC/DC Buck topologies and has a wide input voltage range from 3.2 V to 8 V, with a maximum of 30 V voltage overshoot. It also provides a maximum of 500 mA output current with adjustable and fixed output voltage, which allows it to support multiple SoC and negative bias circuits. The integrated P-MOSFET can generate a high switching frequency of up to 1 MHz, resulting in minimal output noise and distress.
Working Principle
The NJU7665AF-TE1# operates based on the DC/DC buck topology, converting an input voltage to a lower output voltage. The operating process can be broken down into five steps: startup, normal operation, current limit, over-temperature protection and under-voltage lockout. During startup, the on-chip voltage reference is connected to the output and it controls the timing/frequency of the gate voltage of the internal PMOS to generate the requested output voltage. In the normal operation, the regulator regulates the output voltage according to the feedback voltage. When the current limit is reached, the PMOS is shut off and the output voltage is discharged to GND. Over-temperature protection is triggered by thermal shutoff when the operating temperature exceeds the safe temperature range. Under-voltage lockout occurs when the input voltage is lower than the fixed voltage of the regulator.
Advantages
NJU7665AF-TE1# provides a wide range of advantages. Its 1-MHz frequency is twice as high as traditional DC/DC switching regulators, allowing for a higher level of efficiency. It also features a high precision startup circuit and a current limit, providing a stable and secure operation. Furthermore, its low quiescent current helps to lower the power consumption and extends the battery life. Lastly, the integrated P-MOSFET enables it to generate a high switching frequency with minimal noise and distress.
Applications
NJU7665AF-TE1# is ideal for a range of applications in the medical, industrial, e-commerce, and consumer electronics industries. It can be used to supply power to digital cameras and smart devices, medical devices, automotive systems, industrial machines and any other device requiring a reliable, high-efficiency power source.
Conclusion
NJU7665AF-TE1# is a high performance DC-to-DC converter optimized for switch-mode applications. Its wide input voltage range, high switching frequency and built-in protection features make it a great choice for high-efficiency power delivery in a wide range of system architectures.
The specific data is subject to PDF, and the above content is for reference
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