U211B3

integrated circuit, SOP, 30 mA, Externally-controlled integrated amplifier, Temperature reference source

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Price:: US $0.40~1.30 / piece [Get Latest Price]

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PartNumber:: U211B3

Brand:: ATMEL Corporation - ATMEL | Pack: SOP | D/C: 07+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
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Products Upload time: 2011-12-13

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Part Number:U211B3
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Product Summary

The U211B3 is an integrated circuit designed as a phase control circuit in bipolar technology with an internal frequency-voltage converter. Furthermore, it has an internal control amplifier which means it can be used for speed-regulated motor applications. The U211B3 has an integrated load limitation, tacho monitoring and soft-start functions, etc. to realize sophisticated motor control systems.

Parametrics

U211B3 absolute maximum ratings: (1)Current requirement Pin 3, –IS: 30 mA; t ≤ 10 μs, –is: 100mA; (2)Synchronization current Pin 1, IsyncI: 5mA; Pin 17, IsyncV: 5mA; (3)t ≦ 10 μs Pin 1, ±iI: 35mA; t ≦ 10 μs Pin 17, ±iI: 35mA; (4)f/V converter Pin 8, Input current, II: 3 mA; t < 10 μs, ±iI: 13mA; (5)Load limiting Pin 14, Limiting current, neg. half wave, II: 5 mA; t < 10 μs: 35mA; (6)Input voltage Pin 14, ±Vi: 1V; Pin 15,–VI: V16 to 0V; (7)Output current Pin 16, Io: 7.5 mA; (8)Storage temperature range, Tstg: –40 to +125℃; (9)Junction temperature, Tj: 125℃; (10)Ambient temperature range, Tamb: –10 to +100℃.

Features

U211B3 features: (1)Internal frequency-to-voltage converter; (2)Externally-controlled integrated amplifier; (3)Overload limitation with a fold back characteristic; (4)Optimized soft-start function; (5)Tacho monitoring for shorted and open loop; (6)Automatic retriggering switchable; (7)Triggering pulse typ. 155 mA; (8)Voltage and current synchronization; (9)Internal supply-voltage monitoring; (10)Temperature reference source; (11)Current requirement ≤ 3 mA.