Name: High Speed Single-Ended PWM Controller, Up to 1 MHz Voltage-or-Current-Mode Operation
Brand: High Speed Single-Ended PWM Controller, Up to 1 MHz Voltage-or-Current-Mode Operation
SKU: MC33023

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High Speed Single-Ended PWM Controller, Up to 1 MHz Voltage-or-Current-Mode Operation

Obsolete

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Overview

The MC34023 series are high speed, fixed frequency, single-ended pulse width modulator controllers optimized for high frequency operation. They are specifically designed 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, and a high current totem pole output ideally suited for driving a power MOSFET.

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.

50 ns Propagation Delay to Output
High Current Totem Pole Output
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 Start-Up Current (500 µA Typ)
Internally Trimmed Reference with Undervoltage Lockout
90% Maximum Duty Cycle (Externally Adjustable)
Precision Trimmed Oscillator
Voltage or Current Mode Operation to 1.0 MHz
Functionally Similar to the UC3823
Pb-Free Packages are Available

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MC33023DWG

Obsolete

SOIC-16W

751G-03

260

TUBE

Voltage or Current

Adj.

Yes

200

Price N/A

MC33023DWR2G

Obsolete

SOIC-16W

751G-03

260

REEL

1000

Voltage or Current

Adj.

Yes

200

Price N/A

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Product Number:

Distributor		Stock	BUY

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Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

BP STD LINEAR

12120914040

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Offline Controllers | MC33023

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