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U2100B

TEMIC Semiconductors
Part Number U2100B
Manufacturer TEMIC Semiconductors
Description Timer Control for Triac and Relay
Published Apr 16, 2005
Detailed Description U2100B Timer Control for Triac and Relay Description The timer control circuit, U2100B, uses bipolar technology. It has ...
Datasheet PDF File U2100B PDF File

U2100B
U2100B

Overview
U2100B Timer Control for Triac and Relay Description The timer control circuit, U2100B, uses bipolar technology.
It has different mode selections (Zero voltage switch, Phase control, Relay control).
The output stage is triggered according to input conditions.
It can be used in triac application for two or three wire system as a power switch.
Features D Adjustable and retriggerable tracking time D Window monitoring for sensor input D Enable input for triggering D Internal noise suppression (40 ms) and retrigger blocking (640 ms) Applications D Motion detectors D Touch sensors D Timer D Two or three wire application Package: DIP8, SO8 8 –VRef C2 0.
5 VRef + – Trigger signal 6 Trigger window + – 5 0.
6 VRef Supply voltage limitation Voltage control monitoring Sync Mode selection 2 –VS 4 C1 L R1 Rsync Load Z D1 Noise suppression 40 ms Retrigger delay 640 ms Control logic 3 Output RG Vmains 1 Enable Ct 7 RC Oscillator Rt 95 9876 GND 0.
6 VRef 0.
5 VRef ON OFF Divider 1:210 N Figure 1.
Block diagram with external circuit TELEFUNKEN Semiconductors Rev.
A1, 30-May-96 1 (9) U2100B Pin Description GND –VS Output Sync 1 8 VRef Osc TRIG Pin 1 2 3 4 5 6 7 8 Symbol GND –VS Output Sync EN TRIG Osc VRef Function Reference point Supply voltage Driver output Synchronisation and mode selection Enable Input trigger signal RC Oscillator Reference voltage 2 7 3 6 4 95 9945 5 EN General Description Monostable integrated power control circuit, U2100B, can be used according to mode selection in relay’s or triac’s applications.
Beyond that, it can be used in triacapplication for two wire system as power switch, (being the load in series to the switch) whereas the supply voltage for the control unit is gained from phase rest angle (amin-operation).
L For three wire switch, two modes of operations are possible: – Zero voltage switch operation for triac control – Static operation for relay control Mode Selection Pin 4 and Supply Voltage Pin 2 Operation modes can be selec...


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