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SL5001P-2P 데이터시트(PDF) 5 Page - AUK corp |
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SL5001P-2P 데이터시트(HTML) 5 Page - AUK corp |
5 / 8 page KSI-W012-001 5 Application Circuit And Information (continued) coupling capacitors which can be used to alter the ringer equivalence number of a tone ringer circuit ICC-VCC(5002P) graph in typical performance characteristic illustrates the variation of supply current with supply voltage. Curve B(RSL=6.8kΩ) shows the ICC-VCC characteristic for 5001P circuit Tone Ringer. Curve A is a plot with RSL< 6.8 KΩ and shows a increase in the current drawn up to the initiation voltage VCC(INI). The ICC-VCC characteristic after initiation remains unchanged. Curve C shows the effect of increasing RSL above 6.8 K Ω . Initiation current decreases but again current after triggering is unchanged. 2. Pin 2 Input Equivalent Circuit(5001P) Usually pin 2 is used at an open state, but in the 5001P circuit the trigger in terminal may be used to externally trigger oscillation for voltage in the range VSUS ≤ VCC≤ VCC(INI) or disable ringer operation. The ringer circuit can only oscillate when Q1 and Q2 are conducting. Normally when supply voltage VCC exceeds the supply initiation voltage VCC(INI) base Current flows into Q1 via D1 causing Q1 and Q2 conduct. This continues until VCC is taken below the minimum sustaining voltage (VSUS). SL5001P/2P D1 D2 PI N2 R 1 Q 1 Q 2 300K |
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