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MC34025 Datasheet PDF

Part Series:
MC34025 Series
Category:
PWM Controllers
Description:
Current Mode PWM Controller 500mA 1000kHz 16Pin SOIC W T/R
Updated Time: 2023/09/27 08:52:17 (UTC + 8)

MC34025 PWM Controllers Datasheet PDF

MC34025 Datasheet PDF PWM Controllers

20 Pages
ON Semiconductor
Current Mode PWM Controller 500mA 1000kHz 16Pin SOIC W T/R
20 Pages
ON Semiconductor
MC Series 35mA 420kHz SMT High Speed Double-Ended PWM Controller - SOIC-16W

MC34025DWR2G - ON Semiconductor Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
16 Pin
Case/Package
SOIC-16
Number of Outputs
2 Output
Input Voltage (DC)
30.0 V
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MC34025DWR2G - ON Semiconductor Function Overview

The MC34025 series are high speed, fixed frequency, double−ended pulse width modulator controllers optimized for high frequency operation. They are specificallydesigned for Off−Line and DC−to−DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature an oscillator, a temperature compensated reference, a wide bandwidth error amplifier, a high speed current sensing comparator, steering flip−flop, and dual high current totem pole outputs ideally suited for driving power MOSFETs. Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle−by−cycle current limiting, and a latch for single pulse metering. The flexibility of this series allows it to be easily configured for either current mode or voltage mode control.
Features
•50 ns Propagation Delay to Outputs
•Dual High Current Totem Pole Outputs
•Wide Bandwidth Error Amplifier
•Fully−Latched Logic with Double Pulse Suppression
•Latching PWM for Cycle−By−Cycle Current Limiting
•Soft−Start Control with Latched Overcurrent Reset
•Input Undervoltage Lockout with Hysteresis
•Low Startup Current (500 A Typ)
•Internally Trimmed Reference with Undervoltage Lockout
•45% Maximum Duty Cycle (Externally Adjustable)
•Precision Trimmed Oscillator
•Voltage or Current Mode Operation to 1.0 MHz
•Functionally Similar to the UC3825
•Pb−Free Packages are Available
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