NJM78LR05BM

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics:
- Low dropout voltage
- High ripple rejection
- Low quiescent current
Package: SOP8 (Small Outline Package)
Essence: Linear voltage regulator
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

Input Voltage Range: 6V to 20V
Output Voltage: 5V
Output Current: Up to 150mA
Dropout Voltage: 0.2V (typical)
Quiescent Current: 50µA (typical)
Ripple Rejection Ratio: 70dB (typical)
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NJM78LR05BM has a SOP8 package with the following pin configuration:

Vout (Output Voltage)
GND (Ground)
Vin (Input Voltage)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)

Functional Features

Low dropout voltage ensures stable output even with low input voltage.
High ripple rejection minimizes noise interference in the output signal.
Low quiescent current reduces power consumption during standby mode.

Advantages and Disadvantages

Advantages: - Reliable voltage regulation - Compact SOP8 package for space-constrained applications - Wide operating temperature range

Disadvantages: - Limited output current capacity (up to 150mA) - No built-in protection features (e.g., overcurrent, overtemperature)

Working Principles

The NJM78LR05BM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The NJM78LR05BM is commonly used in various electronic devices and applications, including: - Battery-powered devices - Portable audio players - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the NJM78LR05BM include: - LM7805: A popular linear voltage regulator from Texas Instruments. - LT1763: A low dropout voltage regulator from Linear Technology. - TS2950: A low power voltage regulator from STMicroelectronics.

These alternative models can be considered based on specific requirements and availability.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan NJM78LR05BM dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of NJM78LR05BM in technical solutions:

Q: What is NJM78LR05BM? A: NJM78LR05BM is a voltage regulator IC (integrated circuit) that provides a stable output voltage of 5V.
Q: What is the input voltage range for NJM78LR05BM? A: The input voltage range for NJM78LR05BM is typically between 7V and 35V.
Q: Can NJM78LR05BM handle higher input voltages? A: No, NJM78LR05BM is designed to operate within the specified input voltage range. Exceeding this range may damage the IC.
Q: What is the maximum output current of NJM78LR05BM? A: The maximum output current of NJM78LR05BM is around 500mA.
Q: Can NJM78LR05BM be used to power microcontrollers or other digital circuits? A: Yes, NJM78LR05BM can be used to power various digital circuits, including microcontrollers, as long as the current requirements are within its limits.
Q: Does NJM78LR05BM require any external components for operation? A: Yes, NJM78LR05BM requires input and output capacitors for stability and filtering purposes. Refer to the datasheet for recommended values.
Q: Is NJM78LR05BM suitable for battery-powered applications? A: Yes, NJM78LR05BM can be used in battery-powered applications, provided the input voltage is within the specified range.
Q: Can NJM78LR05BM handle short-circuit conditions? A: NJM78LR05BM has built-in short-circuit protection, which helps prevent damage in case of a short circuit. However, it is still recommended to avoid prolonged short circuits.
Q: Can multiple NJM78LR05BM regulators be connected in parallel for higher current output? A: Yes, multiple NJM78LR05BM regulators can be connected in parallel to increase the overall current output capacity.
Q: Are there any thermal considerations when using NJM78LR05BM? A: Yes, NJM78LR05BM may generate heat during operation. Adequate heat sinking or thermal management techniques should be employed to ensure proper functioning and longevity of the IC.

Please note that these answers are general and may vary depending on specific application requirements. Always refer to the datasheet and consult with an expert for accurate information.