KA3525A / SG3525A PWM Controller IC DIP-16

Name: KA3525 SG3525 KA3525A DIP-16 ICs
Brand: HIMA TRONICS
SKU: HMJ605
Price: 300.00 KES
Availability: InStock

= Regulating Pulse Width Modulator for Power Supplies =

The KA3525A is a monolithic PWM controller IC containing all necessary circuits for a switching power supply regulator . Available in DIP16 package, this versatile chip features dual complementary totempole outputs, making it ideal for driving Nchannel power MOSFETs in DCDC converters, inverters, and motor control applications .

Wide operating voltage: 8V to 35V DC

Features internal softstart and undervoltage lockout

Obsolete status - refer to SG3525A alternatives for new designs

= Technical Specifications =

Parameter	Value
Supply Voltage	8V - 35V
Output Current (Source/Sink)	400mA (typical)
Reference Voltage	5.1V ±1%
Oscillator Frequency	100Hz - 500kHz
Dead Time	0.5µs - 2.5µs
Operating Temperature	0°C to 70°C
Package	16-Pin DIP

= Key Features =

Dual Complementary Outputs Totempole outputs with adjustable dead time for driving power MOSFETs

Wide Voltage Range - Operates from 8V to 35V supply for versatile applications

Integrated Protection Undervoltage lockout, softstart, and pulseby-pulse shutdown

External Synchronization - Sync pin for oscillator frequency matching

5.1V Reference Stable temperaturecompensated reference voltage output

== Applications ==

Pure sine wave and modified sine wave inverters
DC-DC converters and SMPS designs
Motor speed control and PWM drivers
Lamp dimmers and power regulation

= Why Choose KA3525A / SG3525A? =

Industry-standard PWM controller with proven reliability

Flexible frequency and dead-time configuration

Integrated softstart for safe powerup

Dual outputs for pushpull and halfbridge topologies

√ Compatible with SG3525A pintopin replacements

√ Available in DIP16 and SOP16 packages

√ Well-documented with extensive application notes

√ Ideal for both DIY and professional power designs

= Important Notes =

Operating frequency formula: f = 1.1 / (RT × CT)

Capacitor on pin 4 sets soft-start timing

Do not exceed 35V supply voltage

The KA3525A / SG3525A PWM Controller IC delivers robust, flexible control for switching power supplies and inverters. Its comprehensive feature set and proven design make it a trusted choice for power electronics projects.