UC2525AN
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Texas Instruments UC2525AN

Manufacturer No:
UC2525AN
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC REG CTRLR MULT TOPOLOGY 16DIP
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Product Introduction

Overview

The UC2525AN is a high-performance pulse width modulation (PWM) controller produced by Texas Instruments. This IC is designed for use in power supply applications, offering precise control and high efficiency. The UC2525AN is widely recognized for its reliability and versatility, making it a popular choice among engineers and designers in the power electronics industry. Its market positioning targets applications requiring robust and efficient power management solutions, such as DC-DC converters, inverters, and motor drives. The unique selling points of the UC2525AN include its wide operating voltage range, adjustable switching frequency, and integrated protection features, which enhance its competitiveness in demanding environments.

Key Specifications

ParameterValueUnitNotes
Input Voltage Range8 to 35V
Output Current200mAPeak
Switching FrequencyUp to 500kHzAdjustable
Operating Temperature Range-40 to 85°C
PackagePDIP-16
Duty Cycle Range0 to 100%
Soft-Start TimeAdjustable
Protection FeaturesOvercurrent, Overtemperature

Key Features

  • Wide input voltage range for versatile applications.
  • Adjustable switching frequency for optimized performance.
  • Integrated overcurrent and overtemperature protection.
  • Soft-start capability to reduce inrush current.
  • High output current capability for driving power MOSFETs.

Applications

The UC2525AN is ideal for a variety of power management applications, including:

  • DC-DC Converters: Provides efficient voltage conversion in both step-up and step-down configurations.
  • Inverters: Enables precise control of AC output in solar inverters and motor drives.
  • Motor Drives: Supports smooth and efficient motor control in industrial and automotive systems.
  • Power Supplies: Ensures reliable and stable power delivery in switch-mode power supplies (SMPS).

Q & A

1. What is the maximum input voltage for the UC2525AN?

The maximum input voltage is 35V.

2. Can the switching frequency be adjusted?

Yes, the switching frequency is adjustable up to 500kHz.

3. What package does the UC2525AN come in?

It is available in a PDIP-16 package.

4. Does the UC2525AN support overcurrent protection?

Yes, it includes integrated overcurrent protection.

5. What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

6. Is soft-start functionality available?

Yes, the UC2525AN features adjustable soft-start capability.

7. What is the peak output current?

The peak output current is 200mA.

8. Can the UC2525AN be used in motor drive applications?

Yes, it is suitable for motor drive applications.

9. Does it support overtemperature protection?

Yes, overtemperature protection is integrated.

10. What is the duty cycle range?

The duty cycle range is 0% to 100%.

Product Attributes

Output Type:Transistor Driver
Function:Step-Up, Step-Up/Step-Down
Output Configuration:Positive
Topology:Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
Number of Outputs:2
Output Phases:1
Voltage - Supply (Vcc/Vdd):8V ~ 35V
Frequency - Switching:100Hz ~ 400kHz
Duty Cycle (Max):49%
Synchronous Rectifier:Yes
Clock Sync:Yes
Serial Interfaces:- 
Control Features:Enable, Frequency Control, Soft Start
Operating Temperature:-25°C ~ 85°C (TA)
Mounting Type:Through Hole
Package / Case:16-DIP (0.300", 7.62mm)
Supplier Device Package:16-PDIP
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Similar Products

Part Number UC2525AN UC2527AN UC2525BN UC2526AN UC2825AN UC2524AN UC2525AJ
Manufacturer Texas Instruments Unitrode Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active Active Active
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver Transistor Driver Transistor Driver -
Function Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down -
Output Configuration Positive Positive Positive Positive Positive Positive -
Topology Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull -
Number of Outputs 2 2 2 2 2 2 -
Output Phases 1 1 1 1 1 1 -
Voltage - Supply (Vcc/Vdd) 8V ~ 35V 8V ~ 35V 8V ~ 35V 7V ~ 35V 8.4V ~ 22V 8V ~ 40V -
Frequency - Switching 100Hz ~ 400kHz 100Hz ~ 400kHz 100Hz ~ 400kHz 1Hz ~ 600kHz 400kHz ~ 1MHz 500kHz -
Duty Cycle (Max) 49% 49% 49% 49% 50% 45% -
Synchronous Rectifier Yes Yes Yes Yes No No -
Clock Sync Yes Yes Yes Yes No No -
Serial Interfaces - - - - - - -
Control Features Enable, Frequency Control, Soft Start Enable, Frequency Control, Soft Start Dead Time Control, Frequency Control, Ramp, Soft Start Enable, Frequency Control, Reset, Soft Start Current Limit, Frequency Control, Ramp, Soft Start Frequency Control -
Operating Temperature -25°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -25°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -
Mounting Type Through Hole Through Hole Through Hole Through Hole Through Hole Through Hole -
Package / Case 16-DIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm) 18-DIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm) -
Supplier Device Package 16-PDIP 16-PDIP 16-PDIP 18-PDIP 16-PDIP 16-PDIP -

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