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35V, Dual 0.2A 600KHz PWM controller with -25C to 85C

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UC2526AN General Description

The UC1526A Series are improved-performance pulse-width modulator circuits intended for direct replacement of equivalent non- \x93A\x94 versions in all applications. Higher frequency operation has been enhanced by several significant improvements including: a more accurate oscillator with less minimum dead time, reduced circuit delays (particularly in current limiting), and an improved output stage with negligible cross-conduction current. Additional improvements include the incorporation of a precision, band-gap reference generator, reduced overall supply current, and the addition of thermal shutdown protection.

Along with these improvements, the UC1526A Series retains the protective features of under-voltage lockout, soft-start, digital current limiting, double pulse suppression logic, and adjustable deadtime. For ease of interfacing, all digital control ports are TTL compatible with active low logic.

Five volt (5V) operation is possible for \x93logic level\x94 applications by connecting VIN, VC and VREF to a precision 5V input supply. Consult factory for additional information.

Key Features

  • Reduced Supply Current
  • Oscillator Frequency to 600kHz
  • Precision Band-Gap Reference
  • 7 to 35V Operation
  • Dual 200mA Source/Sink Outputs
  • Minimum Output Cross-Conduction
  • Double-Pulse Suppression Logic
  • Under-Voltage Lockout
  • Programmable Soft-Start
  • Thermal Shutdown
  • TTL/CMOS Compatible Logic Ports
  • 5 Volt Operation (VIN = VC = VREF = 5.0V)


Category Integrated Circuits (ICs)Power Management (PMIC)DC DC Switching Controllers Mfr Texas Instruments
Series - Package Tube
Product Status Active 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) 7V ~ 35V
Frequency - Switching 1Hz ~ 600kHz Duty Cycle (Max) 49%
Synchronous Rectifier Yes Clock Sync Yes
Serial Interfaces - Control Features Enable, Frequency Control, Reset, Soft Start
Operating Temperature -25°C ~ 85°C (TA) Mounting Type Through Hole
Package / Case 18-DIP (0.300", 7.62mm) Supplier Device Package 18-PDIP
Base Product Number UC2526

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.

Ratings and Reviews

L**e 08/02/2022

Potentiometers are good value compared to others, would recommend.

R**k 10/25/2021

One module, apparently, was poorly propane (cleaned), did not want to sew. After an additional warm-up with a hairdryer and cleaning from the flux, it seems to have earned

J**n 08/05/2021

Super seller, i ordered only the programmer himself, and he put the whole set with wire and crocodile. Respect!!!

N**s 06/26/2021

Debt goes, and so normul



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