器件名称: U209B3-FP
功能描述: Phase Control Circuit - Tacho Applications
文件大小: 206.47KB 共15页
简 介: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
designer free hand to select varieties of regulators to choose from and switching characteristics according to its choice.
Features
D Internal frequency to voltage converter D Externally controlled integrated amplifier D Automatic soft start with minimised ”dead time” D Voltage and current synchronisation D Retriggering D Triggering pulse typ. 155 mA D Internal supply voltage monitoring D Temperature compensated reference source D Current requirement ≤ 3 mA Package: DIP14, SO16
14(16) Voltage / Current detector
1(1) Automatic retriggering Output pulse 4(4)
5(5) Control amplifier 6(6)
10(10) + 9(9) –
Phase control unit = f (V12)
3(3) Supply voltage limitation Reference voltage Voltage monitoring 2(2)
–VS GND
13(15)
Soft start s 11(11) 12(12)
Frequency to voltage converter
8(8)
7(7)
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Figure 1. Block diagram – SO 16 in bracket
Rev. A1: 01.09.1995
Preliminary Information
1 (15)
BYT51J 18 k W 2W R3 220 k W R9 47 k W 14 Set speed voltage R 11 100 k W C9 10 + 9 – Control amplifier 2.2 m F /16 V Voltage / Current detector Automatic retriggering 1 Output pulse 4 R10 220 W 5 6 3 Supply voltage limitation Reference voltage Voltage monitoring R 2 680 k W 3.3 nF C2 2 –VS C1 GND C 10 13 R31 100 k W R 10 56 k W R4 470 k W
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D1 R1 M
Rev. A1: 01.09.1995
AEG TW11 N600
Phase control un……
