UC3526ADWTR

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UC3526ADWTR

+BOM

IC REG CTRLR MULT TOP 18SOIC

  • 제조업체텍사스 인스트루먼트(주)

  • 제조업체 부품 #UC3526ADWTR

  • 데이터시트 UC3526ADWTR DataSheet

  • 재고6933

365 1일 품질 보증

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90-판매 후 1일 보증

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사양

속성 가치
PartStatus Active
OutputType Transistor Driver
Function Step-Up, Step-Down, Step-Up/Step-Down
OutputConfiguration Positive
Topology Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
NumberofOutputs 2
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 7V ~ 35V
Frequency-Switching 1Hz ~ 600kHz
DutyCycle(Max) 49%
SynchronousRectifier Yes
ClockSync Yes
ControlFeatures Enable, Frequency Control, Reset, Soft Start
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case 18-SOIC (0.295", 7.50mm Width)
SupplierDevicePackage 18-SOIC
BaseProductNumber UC3526

개요

Description

The UC3526ADWTR is a high-performance PWM (Pulse Width Modulation) controller designed for use in DC-DC power supply applications. It features a voltage mode control architecture that provides excellent transient response and stability, making it suitable for various power management tasks. The device operates over a wide input voltage range and supports both boost and buck converter topologies.
Key features include adjustable frequency operation, soft-start capability, and built-in protection mechanisms such as over-voltage and thermal shutdown. The UC3526ADWTR also includes a high-frequency oscillator, making it ideal for high-efficiency power supplies.
Typically used in applications like computer power supplies, telecommunications, and industrial power systems, its compact package and robust performance make it a popular choice among engineers for designing reliable power solutions. Overall, the UC3526ADWTR is an effective solution for modern electronic power management needs.

Equivalent

The UC3526ADWTR chip is a voltage mode PWM controller. Equivalent products include the LM3526, TL494, MC34063, and UC384X series (like UC3842). For specific applications, you may also consider the SG3525 or the LM2596 for similar functionalities. Always check the specifications to ensure compatibility for your application.

Features

The UC3526ADWTR is a versatile PWM (Pulse Width Modulation) controller primarily used for power supply applications. Key features include:
1. Voltage Regulation: It provides precise voltage regulation, making it suitable for switch-mode power supplies.
2. Integrated PWM: It offers a high-frequency PWM output, enhancing efficiency in power conversion.
3. Current Sensing: Features built-in current sensing for overcurrent protection, ensuring safe operation.
4. Adjustable Frequency: The oscillator frequency can be adjusted, allowing flexibility in design.
5. Soft Start: It includes a soft-start function to minimize inrush current during power-up.
6. Dual Output: Capable of driving two output transistors, useful for push-pull or half-bridge applications.
7. Thermal Shutdown: Built-in thermal protection helps prevent overheating.
8. Temperature Range: Operates over a wide temperature range, suitable for various environments.
These features make the UC3526ADWTR ideal for applications like DC-DC converters, battery chargers, and other power management systems.

Pinout

The UC3526ADWTR is a dual PWM (Pulse Width Modulation) controller integrated circuit with a total of 24 pins. Its primary functions include generating high-frequency PWM signals for switching power supplies, providing voltage regulation, and controlling the power conversion process.
Key features include:
1. Pin Configuration:
- 1-4: Voltage feedback, error amplifier inputs, and compensation.
- 5: Output for the PWM signal.
- 6: Switch node.
- 7: Oscillator timing capacitor.
- 8: Ground.
- 9-12: Various other control and feedback functionalities.
- 13-24: Additional outputs, ground, and bias supply connections.
2. Functions:
- It provides adjustable duty cycle and frequency control.
- It integrates features for dead-time control and soft start.
- It is designed for applications like power converters and DC-DC converters.
The UC3526ADWTR is widely used in power management applications due to its versatility and performance.

Manufacturer

The UC3526ADWTR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Established in 1930 and headquartered in Dallas, Texas, Texas Instruments specializes in designing and manufacturing a wide range of analog and embedded processing products. The company is known for its innovations in various sectors, including industrial, automotive, communications, and consumer electronics. TI's product portfolio includes microcontrollers, processors, sensors, and power management solutions, catering to both high-performance and low-power applications. The UC3526ADWTR itself is a versatile PWM (Pulse Width Modulation) controller used in power supply applications, showcasing TI's expertise in power management technology.

Application

The UC3526ADWTR is a versatile integrated circuit primarily used in power management applications, including switching power supplies, DC-DC converters, and battery chargers. It features a pulse-width modulation (PWM) controller, making it ideal for efficient voltage regulation and energy conversion. Additionally, it can be utilized in motor control systems and as a part of various industrial automation solutions. Its ability to operate in different configurations allows for adaptability in diverse electronic designs, including automotive and telecommunications systems.

Package

The UC3526ADWTR is packaged in a 28-pin SOIC (Small Outline Integrated Circuit) package. This surface-mount package is designed for efficient use of board space in electronic applications.

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