u209b3 ETC-unknow, u209b3 Datasheet
u209b3
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u209b3 Summary of contents
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... TELEFUNKEN Semiconductors Phase Control Circuit – Tacho Applications Description: The integrated circuit U209B3, is designed as a phase control circuit in bipolar technology. It has also protection circuit for the supply. Due to integration of many functions, it leads to significant cost and space saving as Features Internal frequency to voltage converter Externally controlled integrated amplifier Automatic soft start with minimised ” ...
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... TELEFUNKEN Semiconductors Figure 2. Block diagram with typical circuitry for speed regulation Rev. A1: 01.09.1995 Preliminary Information U209B3/ U209B3–FP 3 (15) ...
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... U209B3/U209B3–FP Description Mains Supply The U209B is designed with voltage limiting and can therefore be supplied directly from the mains. The supply voltage between Pin 2 (+ pol/ ) and Pin 3 builds up across D and R and is smoothed The value of the series resistance can be approximated using (Figure 2): V – ...
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... 8.3 i Rev. A1: 01.09.1995 Preliminary Information U209B3/ U209B3–FP 95 10272 The values of C and C 5 possible input frequency, the maximum output voltage does V does not exceed 6 V. While Pin 8 is approx f/V converter the time constant resulting from R ...
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... U209B3/U209B3–FP General Hints and Explanation of Terms To ensure safe and trouble–free operation, the following points should be taken into consideration when circuits are being constructed or in the design of printed circuit boards. The connecting lines from C to Pin 6 and Pin 2 should short as possible, and the connection to Pin 2 should not carry any additional high current such as the load current ...
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... Automatic retriggering Repetition rate Amplifier Common mode voltage range Input bias current Input offset voltage Output current Short circuit forward trans 9/10 mittance Rev. A1: 01.09.1995 Preliminary Information U209B3/ U209B3–FP Symbol R thJA Symbol Min Pin 3 –V 13.0 S Pin 3 –V 14.6 S 14.7 Pin 3 –I 1 ...
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... U209B3/U209B3–FP Parameters Test Conditions / Pin Frequency to voltage converter Input bias current Input voltage limitation Turn–on threshold Turn–off threshold Discharge current Figure 2 Charge transfer voltage Charge transfer gain Conversion factor nF Operating range f/V output Ref ...
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... Figure 7. 100 Soft Start 80 f/V-Converter Active Reference Point Pin 10304 13 Figure 8. Rev. A1: 01.09.1995 Preliminary Information U209B3/ U209B3– 1.0 0.8 95 10305 10 Soft Start 8 f/V-Converter Active Reference Point Pin 10306 10 ...
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... U209B3/U209B3–FP 500 Frequency to Voltage Converter 250 Reference Point Pin 2 0 –250 –500 –10 –8 –6 –4 – 10308 8 Figure 12. 100 Control Amplifier 50 0 –50 Reference Point Pin 16 –100 –300 –200 –100 0 100 10309 10–11 Figure 13. 100 Pulse Output ...
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... TELEFUNKEN Semiconductors Applications 1N4004 230 Figure 18. Phase control (power control) for electric tools Rev. A1: 01.09.1995 Preliminary Information U209B3/ U209B3– 220 U209B GND –V S 470 ...
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... U209B3/U209B3–FP Figure 19. Temperature controlled fan motor (220 V 12 (15) Preliminary Information TELEFUNKEN Semiconductors ) ac Rev. A1: 31.09.1995 ...
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... TELEFUNKEN Semiconductors Figure 20. Temperature controlled fan motor (110 V Rev. A1: 01.09.1995 Preliminary Information U209B3/ U209B3– (15) ...
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... U209B3/U209B3–FP Design Calculations for Mains Supply The following equations can be used for the evaluation of the series resistor R V – V Mmin Smax R = 0.85 1 max 2 I tot 2 (V – Mmax Smin (R1 max where Mains voltage 220 Supply voltage on Pin 4 ...
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... TEMIC against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone 7131 67 2831, Fax number 7131 67 2423 Rev. A1: 01.09.1995 Preliminary Information U209B3/ U209B3–FP unauthorized use. 15 (15) ...