Comprehensive Interpretation of Slkor Voltage Regulator Diode ZM4728A
In the design of modern electronic devices, Voltage Regulator Diodes
play a crucial role in providing stable output voltage in circuits.
Among them, as a member of the voltage regulator diode family, ZM4728A
plays an indispensable role in various electronic applications due to
its unique parameter configuration and excellent performance. This
article will provide a detailed interpretation of ZM4728A, including its
voltage regulation value, accuracy, power, reverse current, and
impedance, among other key parameters.
SLKOR Voltage Regulator Diode ZM4746A product photo
Voltage Regulation Value
The voltage regulation value (nominal value) of ZM4728A is 3.3V, which means that under normal working conditions, it can effectively maintain the voltage in the circuit at around 3.3V. This characteristic makes ZM4728A an ideal choice for circuits requiring a stable 3.3V output voltage. Whether it's a power circuit, amplifier circuit, or any other application requiring precise voltage control, ZM4728A can provide stable voltage output to ensure circuit stability and reliability.
Accuracy
The accuracy of ZM4728A is ±5%, indicating that its output voltage fluctuates within the range of 3.135V to 3.465V. This high-precision voltage regulation capability ensures the stability and reliability of the circuit, allowing ZM4728A to perform exceptionally in various applications. Whether in circuits requiring precise voltage control or those needing stable output voltage, ZM4728A can provide reliable support.
Power
The power of ZM4728A is 1W, a moderate power output that meets the requirements of most electronic devices. The appropriate power output helps maintain circuit stability and prolong device lifespan. At the same time, the 1W power ensures that ZM4728A does not overheat under normal operating conditions, guaranteeing its long-term stable performance.
Slkor Voltage Regulator Diode ZM4746A specification
Reverse Current
The reverse current (Ir) of ZM4728A is 150μA@1V, meaning that at a reverse voltage of 1V, the reverse current is 150 microamps. This low reverse current characteristic helps reduce circuit power consumption and improve efficiency. Additionally, the low reverse current means that ZM4728A exhibits minimal leakage current under reverse voltage, further enhancing circuit stability.
Impedance
The impedance (Zzt) of ZM4728A is 10Ω, indicating a relatively low
impedance value in the circuit. A low impedance value helps reduce
voltage drop and power loss while improving circuit response speed. This
allows ZM4728A to perform exceptionally in circuits requiring fast
response and precise control.
Parameters of Slkor Voltage Regulator Diode ZM4746A
Application Scenarios
With its stable 3.3V output voltage, high-precision voltage regulation capability, moderate power output, low reverse current, and low impedance, ZM4728A excels in various application scenarios. For example, in power circuits, ZM4728A can serve as a reference voltage source, providing a stable 3.3V voltage output for other circuits. In amplifier circuits, it can be used to stabilize bias voltage or operating point voltage, ensuring amplifier stability and linearity. In sensor circuits, it can provide a stable 3.3V reference voltage for sensors, improving measurement accuracy and reliability. Furthermore, in digital circuits, ZM4728A can act as a voltage regulator, providing a stable power supply voltage for logic gate circuits.
Precautions for Use
When using ZM4728A, the following points should be noted:
Ensure that the input voltage to ZM4728A does not exceed its maximum rated voltage and power to avoid damaging the device.
In high-temperature environments, ensure proper heat dissipation for
ZM4728A to prevent overheating affecting device performance.
During soldering and installation, follow relevant operating
specifications to avoid mechanical or thermal damage to ZM4728A.
Before use, conduct testing and verification of ZM4728A to ensure its performance meets design requirements.
The range of voltage regulator diode current limiting resistance
The range of limiting resistors for voltage regulator diodes mainly
depends on the maximum rated current and operating voltage of the
selected diode. The following is a detailed explanation of the range of
limiting resistors for voltage regulator diodes:
Range Determination: The range of limiting
resistors for voltage regulator diodes is generally between 10 ohms and
100 ohms. This range is determined based on the rated parameters of the
diode and its operating conditions in specific circuits.
Considerations for Selection:
● Power Dissipation: When
selecting resistors, consider the issue of resistor power dissipation.
To ensure stable operation of the resistor in the circuit, it is
recommended to choose resistors with slightly higher power ratings.
● Temperature
Coefficient: The temperature coefficient of the resistor is also an
important consideration. To maintain temperature stability, metal film
resistors or chip resistors are usually used.
● Operating Conditions: Voltage regulator diodes need to maintain a minimum stable current Izmin during operation. To ensure this basic current, limiting resistors need to be designed according to specific formulas. These formulas typically involve the variation range of input voltage, the variation range of load current, the voltage regulation value of the voltage regulator diode, and the maximum operating current.
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