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CS1612A Fiches technique(PDF) 5 Page - Cirrus Logic |
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CS1612A Fiches technique(HTML) 5 Page - Cirrus Logic |
5 / 18 page CS1610A/11A CS1612A/13A DS976PP4 5 Notes: 1. The CS1610A/11A/12A/13A has an internal shunt regulator that limits the voltage on the VDD pin. VZ, the shunt regulation voltage, is defined in the VDD Supply Voltage section on page 4. 2. For test purposes, load capacitance CL is connected to pin GD and is equal to 0.25nF. 3. External circuitry should be designed to ensure that the ZCD current drawn from the internal clamp diode when it is forward biased does not exceed specification. 4. Switching period (T1 T2) 5 s. Period T1 and T2 are defined in the Control Parameters section on page 12. 5. The conductance is specified in Siemens (S or 1/ ). Each LSB of the internal ADC corresponds to 250nS or one parallel 4M resistor. Full scale corresponds to 256 parallel 4M resistors or 15.625k. 6. Specifications are guaranteed by design and are characterized and correlated using statistical process methods. Second Stage Zero-current Detect FBZCD Threshold VFBZCD(th) -200 - mV FBZCD Blanking CS1610A/12A CS1611A/13A tFBZCB - - 2 2.8 - - s s ZCD Sink Current (Note 3) IZCD -2 - - mA FBAUX Upper Voltage IZCD =1mA -VDD+0.6 - V Second Stage Pulse Width Modulator Minimum On Time - 0.55 - s Maximum On Time CS1610A/11A/13A CS1612A - - 8.8 12.0 - - s s Minimum Switching Frequency tFB(Min) -625 - Hz Maximum Switching Frequency (Note 4) tFB(Max) -200 - kHz Second Stage Gate Driver Output Source Resistance ZOUT -20.3 - Output Sink Resistance ZOUT -9.4 - Rise Time CL =0.25nF -- 30 ns Fall Time CL =0.25nF -- 20 ns Second Stage Protection Overcurrent Protection (OCP) VOCP(th) -1.69 - V Overvoltage Protection (OVP) VOVP(th) -1.25 - V Open Loop Protection (OLP) VOLP(th) -200 - mV External Overtemperature Protection (eOTP), Boost Peak Current, Second Stage Frequency Gain Pull-up Current Source – Maximum ICONNECT -80 - A Conductance Accuracy (Note 5) -- ±5 Conductance Offset (Note 5) -±250 - nS Current Source Voltage Threshold VCONNECT(th) -1.25 - V Internal Overtemperature Protection (iOTP) Thermal Shutdown Threshold (Note 6) TSD -143 - ºC Thermal Shutdown Hysteresis (Note 6) TSD(Hy) -12 - ºC Parameter Condition Symbol Min Typ Max Unit |
Numéro de pièce similaire - CS1612A |
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Description similaire - CS1612A |
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