UC3525ADWTR

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UC3525ADWTR

IC REG CTRLR MULT TOP 16SOIC

  • 제조업체
  • Mfr.부분 #UC3525ADWTR
  • 패키지 SOIC (DW)-16
  • 데이터시트
  • 재고 있음7030

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배송 준비 24 시간

365 일 보장

RFQ 및더 많은 할인

사양

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus 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) 8V ~ 35V
Frequency-Switching 100Hz ~ 400kHz
DutyCycle(Max) 49%
SynchronousRectifier Yes
ClockSync Yes
ControlFeatures Enable, Frequency Control, Soft Start
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case 16-SOIC (0.295, 7.50mm Width)

개요

Description

The UC3525ADWTR is a pulse width modulation (PWM) controller primarily used in power supply circuits and DC-DC converters. It is designed to regulate and control the power output by generating precise PWM signals. The device operates with high efficiency and is suitable for applications such as power inverters, motor controllers, and other switching power supplies.
Key features of the UC3525ADWTR include an on-chip oscillator with a frequency range adjustable through external components, error amplifier, adjustable dead time control, and a totem-pole output stage designed to provide high current drive capability. The device supports soft-start functionality, ensuring smooth start-up for power supplies and minimizing inrush current.
Packaged in a surface-mount format, the component is widely used in industrial and consumer electronics due to its reliability and robust performance. Its design allows engineers to implement efficient power conversion solutions, making it a popular choice in various electronic applications requiring precise control of power delivery.

Features

The UC3525ADWTR is a high-performance pulse-width modulation (PWM) controller, commonly used in power supply designs. Key features include:
1. Wide Input Voltage Range: Operates efficiently across a broad input voltage range, making it versatile for various applications.
2. On-Chip Oscillator: Features a built-in oscillator with adjustable frequency, allowing for flexibility in design and synchronization with other devices.
3. High-Speed Operation: Supports high-speed switching, enhancing efficiency and performance in power conversion.
4. Error Amplifier: Includes a high-gain error amplifier to provide accurate feedback and improve regulation.
5. Current Limiting: Offers programmable current limiting to protect against overcurrent conditions.
6. Undervoltage Lockout: Ensures safe operation by preventing the PWM from operating at low voltage levels.
7. Soft Start Capability: Integrates a soft start feature to reduce inrush current and avoid stress on components at startup.
8. Dual Output: Provides dual totem-pole outputs for driving both N-channel and P-channel MOSFETs or bipolar transistors.
9. Protection Features: Includes protection mechanisms like thermal shutdown to enhance reliability.
These features make the UC3525ADWTR suitable for use in various applications such as DC-DC converters, motor control systems, and other power electronics requiring efficient PWM control.

Package

The UC3525ADWTR is a switching regulator controller IC typically provided in an SOIC-16 (Small Outline Integrated Circuit) package. This package type is suitable for surface-mount technology, offering a compact form factor for efficient power management applications.

Pinout

The UC3525ADWTR is a pulse width modulation (PWM) controller typically used in DC-DC converters and switch-mode power supplies. It is manufactured by Texas Instruments and is commonly supplied in a 16-pin SOIC (Small Outline Integrated Circuit) package.
Here is a brief overview of its pin functions:
1. Comp (1): Compensation input.
2. VFB (2): Feedback voltage.
3. Osc (3): Oscillator timing resistor and capacitor.
4. R/T (4): Timing resistor for setting oscillator frequency.
5. C/T (5): Timing capacitor for setting oscillator frequency.
6. Soft Start (6): Soft start control.
7. DTC (7): Dead time control.
8. E/A Out (8): Error amplifier output.
9. VREF (9): Reference voltage output.
10. VCC (10): Supply voltage.
11. VC (11): Output stage supply voltage.
12. Out A (12): Output A.
13. GND (13): Ground.
14. Out B (14): Output B.
15. Shutdown (15): Shutdown input.
16. Sync (16): Synchronization input.
These pin functions enable the UC3525ADWTR to control power delivery efficiently in a variety of power supply and conversion applications.

Manufacturer

The UC3525ADWTR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is well-known for its development of analog chips and embedded processors, and its products are used in a wide range of electronic devices, including industrial equipment, consumer electronics, and automotive systems. The company is one of the largest semiconductor manufacturers in the world and is recognized for its innovation in technology and contributions to various sectors.

Application

The UC3525ADWTR is a PWM controller primarily used in power electronics for DC-DC converters, switch-mode power supplies, and motor control applications. It provides efficient voltage regulation and power management in automotive, industrial, and consumer electronics. The device's features, such as precise duty cycle control and flexible configuration, make it suitable for applications requiring efficient energy conversion and robust power regulation.

Equivalent

The UC3525ADWTR is a PWM controller used in power supply designs. Equivalent products include:
1. TL494 (Texas Instruments)
2. SG3525A (ON Semiconductor)
3. KA3525A (Fairchild Semiconductor)
4. NCP3525 (ON Semiconductor)
5. LM3525 (Texas Instruments)
These alternatives offer similar functionality and can often be used as substitutes depending on the specific application requirements. Always verify pin compatibility and electrical specifications before substituting.

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