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See Technical Specifications

UC3526ADW

35V, Dual 0.2A 600KHz PWM controller with 0C to 70C

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

UC3526ADW
Datasheet:

UC3526ADW Datasheet (PDF)
Output Type:

Transistor Driver
Function:

Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration:

Positive
Topology:

Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
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UC3526ADW 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 V_IN, V_C and V_REF 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 (V_IN = V_C = V_REF = 5.0V)

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)DC DC Switching Controllers	Series	-
Output Type	Transistor Driver	Function	Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration	Positive	Topology	Buck, 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	0°C ~ 70°C (TA)
Mounting Type	Surface Mount	Base Product Number	UC3526

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Ratings and Reviews

M**r 09/25/2023

Seams good and fast delivered less than 2 weaks

M**l 08/24/2022

Very good .Thank you.

E**h 06/20/2022

easy to assemble, good quality.

E**y 11/28/2021

As described, works nicely and just as Arduino Mega2650 with CH340 USB serial chip. Reasonable price of USD 5.07/each; I ordered 4pcs which needed 1.91 for avaq Standard shipping which was via Finnish Post Shenzhen which was super-fast, only 10 days to FI.