SL5001P-2P AUK | Alldatasheet

Document overview

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Technical content

Features

  • Designed telephone bell replacement
  • Adjustable 2-frequency tone
  • Low current drain
  • Built-in hysteresis prevents false triggering and rotary dial “Chirp”
  • External triggering ringer disable(5001P)
  • Adjustable for reduced supply initiation current(5002P)

Applications

  • Telephone tone ringers
  • Alarms or other alerting devices
  • Extension tone ringer modules

Ordering Information

Type NO. Marking Package Code SL5001P SL5001 DIP8 SL5002P SL5002 DIP8 O u t l i n e D i m e n s i o n s u n i t : mm SSeemmiiccoonndduuccttoorr

A b s o l u t e M a x i m u m R a t i n g s (Ta = 25°C) Characteristic Symbol Rating Unit Supply Voltage V CC 30 V Power Dissipation P D 400 mW Operating Temperature T opr -45∼+65 °C Storage Temperature T stg -65∼+150 °C Block Diagram E l e c t r i c a l C h a r a c t e r i s t i c s (Unless otherwise specified, Ta = 25°C) Characteristic Symbol Test Condition Min. Typ. Max. Unit Operating Supply Voltage V CC - - - 29 V Initiation Supply Voltage V CC(INI) Trigger-In Open, No Load 17 19 21 V Sustaining Voltage VSUS Trigger-In Open, No Load 9.7 11 13 V Initiation Supply Current I CC(INI) RSL = 6.8KΩ(5002P) 0.8 2.5 4.2 mA Sustaining Current I SUS V CC=VSUS, No Load 0.7 1.2 - mA Trigger Voltage V TR 5001P 10.5 11 - V Trigger Current I TR 5001P 10 20 1000 µA Disable Voltage V DIS 5001P - 0.4 0.8 V Disable Current I DIS 5001P -40 -50 - µA Output Voltage V OUT V CC=21V, No Load 17 19 21 V Oscillator Frequency Tolerance ∆fO - - - ±7 % SL5001P/2P REGULATOR WITH HYSTERESIS AMPHFOLFOOSC1 Input OSC1 Output OSC2 Input OSC2 Output GND Output Trigger-In LFO : Low Frequency OSC. HFO : High Frequency OSC. Pin 3,4 : Low Frequency Time Constant Pin 6, 7 : High Frequency Tim e Constant * Regulator circuit has built-in hysteresis to prevent false triggering and rotary dial "Chirps" VCC

E l e c t r i c a l C h a r a c t e r i s t i c s ( c o n t i n u e d ) 1.Initiation supply voltage VCC(INI) must be exceeded to trigger oscillation. 2.Sustaining voltage (VSUS) is the supply voltage required to maintain oscillation. 3.Trigger voltage (VTR) and trigger current(ITR) are the conditions applied to trigger in to start oscillation for V SUS ≤ VCC ≤ VCC(INI) . 4.Disable voltage (VDIS) and disable current(IDIS) are the conditions applied to trigger in to inhibit oscillation for V CC(INI) < VCC 5.Trigger current must be limited to this value externally. 6.Oscillator frequencies are given by equations :

  • fL = 1/(1.234RC) where R is the resistance connected between pins 3 and 4, and C is the capacitance connected between pin 3 and ground.
  • fH1 = 1/(1.515RC) where R is the resistance connected between pins 6 and 7, and C is capacitance connected between pin 6 and ground. Norminal rate (f HA) is the HFO when the output of LFO is high
  • fH2 = 1.25fH1, higher rate(fH2) is the HFO when the output of LFO is low. Typical Performance Characteristics SL5001P/2P Icc - Vcc Supply Voltage Vcc (V) Supply Current Icc (mA) 2 6 10 14 18 22 26 30 34 0. 5 1. 0 1. 5 2. 0 2. 5 3. 0 3. 5 No Load 5001 Load Current I L (mArms) Load Voltage V L (Vrms) V L - I L 0 10 30 4020 Vcc=21V Vcc=15V 5001 Icc - Vcc Supply Voltage Vcc (V) Supply Current Icc (mA)0. 5 1. 0 1. 5 2. 0 2. 5 3. 0 3. 5 4. 0 2 6 10 14 18 22 26 30 34 5002 A:R SL < 6. 8K B:R SL = 6. 8K C:R SL > 6. 8K Icc (INI) - R SL Resistance R SL (KΩ) Supply Initiation Current Icc (INI) (mA) 0. 5 1. 0 1. 5 2. 0 2. 5 3. 0 3. 5 4. 0 24 68 10 12 14 16 18 5002 C B A

Application Circuit And Information 1.Typical Tone Ringer The AC ringing voltage appears across the TI P and RING inputs of the circuit and is attenuated by capacitor(C 1) and resistor (R 1). C 1 also provides isolation from DC voltages(48V) on the line. After full wave re ctification by the bridge, the waveform is filtered by capacitor(C 4) to provide a DC supply for Tone Ringer chip. As this voltage exceeds the initiation voltage V CC(INI) oscillation starts. With the components shown, the output frequency chops between f H1 and f H2 at a f L rate. The loudspeaker load is coupled through a 1300Ω to 8 Ω transformer. To prevent DC power supply regulation problems due to high source impedance of the telephone line and coupling components C 1 and R1, while the output impedance of the 5001P circuit is quite low, the load impedance must be kept fairly high. The output coupling capacitor (C 5) is required with transformer coupled loads. The variable resistor (R 6) is used to adjust the audio amplitude and resistor (R 4) is a current limiting resistor. Resistor R 5 is a quenching resistor used to limit back emf generated by the inductive load when ringing stops. When driving a piezo-ceramic transducer type load, the coupling capacitor (C 5) is not required. However, a current limiting resistor is required as is a 29V zene r diode in parallel with the transducer. This diode limits the voltage transients than can be generated by mechanical shocking of piezo- ceramic transducer. In the 5002P circuit, the initiation supply current I CC(INI) can be changed by using external resistor(RSL). The resistor (R SL) is connected to GND from pin2. As this initiation voltage remains constant independent of R SL, the supply initiation current f CC(INI) varies inversely with RSL. Thus, increasing the value of R SL will decrease the amount of AC ringing current required to trigger the device. RSL can also be used to compensated for smaller AC line SL5001P/2P DBL5001 165K 510 SP 191K 0.0068uF 10KR6RE RSL 15K 0.22uF 0.047uF 10uF 29V TIP 1uF 2K RING 5001 5002 1300Ω : 8Ω SL5001P SL5002P

Application Circuit And Information (continued) coupling capacitors which can be used to al ter the ringer equivalence number of a tone ringer circuit I CC-VCC(5002P) graph in typical performance characteristic illustrates the variation of supply current with supply voltage. Curve B(RSL=6.8k Ω) shows the I CC-VCC characteristic for 5001P circuit Tone Ringer. Curve A is a plot with R SL< 6.8 KΩ and shows a increase in the current drawn up to the initiation voltage V CC(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 V SUS ≤ V CC≤ V CC(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 V CC(INI) base Current flows into Q1 via D1 causing Q1 and Q2 conduct. This continues until V CC is taken below the minimum sustaining voltage (VSUS). SL5001P/2P PIN2 300K

Application Circuits And Information (continued) 3. Enabling Oscillation of the 5001P circuit for Supply Voltages less than VCC(INI). The 5001P Circuit can oscillate when powered from supply voltages in the range V SUS≤ VCC≤ VCC(INI). Oscillation is ensured by forcing a current I TR(10uA≤ ITR ≤ 1mA) into pin2 should be exceeded V TR by the sum of zener voltage of D 3 the VBE of Q 1 and the VBE of Q 2(Typ. 11V). The required current drive can be provided by connecting a resistor RE(20kΩ≤ RE≤ (VCC-11)/10MΩ ) between pin1 and VCC. 4. Reducing the Effective Value of V CC(INI) for the 5001P circuit To operate the 5001P circuit from a DC 12V supply, R E should be typically 50k Ω . This operation can also be used to reduce the effective value of the V CC(INI), by inserting a zener diode in series with RE. Then, this initiating voltage VCC(INI) is VIR + VZ + 10RE SL5001P/2P DBL5001 RE Vcc GND V TR ITR DBL5001 RE Vcc GND VTR ITR VZ SL5001P SL5002P SL5001P SL5002P

Application Circuit And Information (continued) 5. Inhibiting Oscillation of the 5001P circuit When the 5001P circuit is oscillating , this circuit may be inhibited for voltage in the range V CC(INI) < VCC ≤ VCC(MAX) by sinking the current from D 1, starving Q1 of base current. This is achieved by either grounding pin2 or applying a voltage VIH via a resistor R1 to pin2 DBL5001 Vcc GND DBL5001 Vcc GND V DIS IDIS V IH SL5001P SL5002P SL5001P SL5002P

These AUK products are intended for usage in general electronic equipments(Office and communication equipment, measuring equipment, domestic electrification, etc.). Please make sure that you consult with us before you use these AUK products in equipm- ents which require high quality and/or reliabi lity, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, traffic signal, combustion central, all types of safety device, etc.). AUK cannot accept liability to any damage which may occur in case these AUK products were used in the mentioned equipments without prior consultation with AUK.