U211B - ATMEL

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

U211B
Manufacturer

ATMEL
ChipWorker Part#

CW367737830
RoHS

Lead free / RoHS Compliant
Description

Phase Control IC with Overload Limitation for Tacho Applications
Documentation

Datasheet

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U211B Specifications

Attribute	Attribute Value

Part Number	U211B
Manufacturer	ATMEL
ChipWorker Part#	CW367737830
Documentation	Datasheet
Case/Package	DIP
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Product Lifecycle Status	Obsolete
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

Description
The integrated circuit U211B is designed as a phase-control circuit in bipolar technology with an internal frequency-to-voltage converter. The device includes an internal control amplifier which means it can be used for speed-regulated motor applications.
Amongst others, the device features integrated load limitation, tacho monitoring and soft-start functions, to realize sophisticated motor control systems.
Features
• Internal Frequency-to-voltage Converter
• Externally Controlled Integrated Amplifier
• Overload Limitation with “Fold Back” Characteristic
• Optimized Soft-start Function
• Tacho Monitoring for Shorted and Open Loop
• Automatic Retriggering Switchable
• Triggering Pulse Typically 155 mA
• Voltage and Current Synchronization
• Internal Supply-voltage Monitoring
• Temperature Reference Source
• Current Requirement ≤ 3 mA

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- Electrical testing
- Surface testing

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