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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

**DESCRIPTION**
The UC1638 family of integrated circuits are advanced pulse width modulators intended for a variety of PWM motor drive and amplifier applications requiring either uni-directional or bi-directional drive circuits. Similar in architecture to the UC1637, all necessary circuitry is included to generate an analog error signal and modulate two bi-directional pulse train outputs in pro
portion to the error signal magnitude and polarity.
**FEATURES**
• Single or Dual Supply Operation
• Accurate High Speed Oscillator
• Differential X5 Current Sense Amplifier
• Bidirectional Pulse-by-Pulse Current Limiting
• Programmable Oscillator Amplitude and PWM Deadband
• Dual 500mA Totem Pole Output Drivers
• Dual 60V, 50mA Open Collector Drivers
• Undervoltage Lockout

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UC2638DW Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	SOIC-20
Supply Voltage (DC)	30.0 V
Number of Outputs	1 Output
Output Current	≤500 mA
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	10V ~ 36V
	Show
Size-Length	12.8 mm
Size-Width	7.52 mm
Size-Height	2.35 mm
Operating Temperature	-25℃ ~ 85℃
Product Lifecycle Status	Not Recommended for New Designs
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

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