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STV2145 Datasheet(PDF) 7 Page - STMicroelectronics |
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STV2145 Datasheet(HTML) 7 Page - STMicroelectronics |
7 / 17 page ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VCC Supply Voltage (pin 5) 9 V VSCL,VSDA Separated Protection Structures to these Pins 1 and 2 6 V VSENSP,VSENSM No Protection Diodes to VCC in Order to Allow Half Bridge Operation (Pins 15 and 16) 20 V Toper Operating Ambient Temperature 0, +70 °C Tstg Storage Temperature -55, +150 °C THERMAL DATA Symbol Parameter Value Unit Rth (j-a) Junction-ambient Thermal Resistance Max. 70 oC/W ELECTRICAL CHARACTERISTICS (VCC = 7.8V, Tamb =25 °C, unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit SUPPLY (Pin 5) (see Note 1) Pmax Total Power Consumption Typical power consumption 0.15 W Imax Current Capability (Pin 4) Maximum current pulled down by Pin 4 15 mA Line Ripple Rejection (see Note 2) External transistor, Pin 4 connected with 3.3k Ω against Power Supply (e.g. 12V ; recommended current into REG = 1mA), ∆VCC / ∆Vpower -35 dB Load Regulation (see Note 2) External transistor, Pin 4 connected with 3.3k Ω against Power Supply (12V), ∆VCC / ∆IE(regulation transistor) 1 mV/mA VNOM Regulation Voltage External regulation transistor, Pin 4 connected via 3.3k Ω resistor against 12V 7.5 7.8 8.2 V I 2C BUS (Pins 1 and 2) VTH Input Threshold Voltage 1.5 2.1 2.7 V IBUS Input Current V1 and V2 =5V 40 µA Data Saturation Voltage Open collector of pull-down transistor at 5mA 0.5 V Pull-down Current No pull-down capability. Pin 1 can’t be pulled down to slow down clock SCL of microprocessor fMax. Maximum Toggle Frequency 200 kHz TIME BASE GENERATION INTERFACES HFLY INTERFACE (Pin 10) Polarity of Horizontal Flyback Preferable heater-winding of EHT- transformer (flyback voltage positive during horizontal flyback) Positive VTH Threshold Voltage VBE voltage comparator 0.5 0.7 1.0 V VCLP Positive Clamp Voltage Clamping voltage = VTH +VBE 1.6 V ICLPP Maximum Positive Clamping Current Input voltage exceeds positive clamping voltage 4mA VCLP Negative Clamping Voltage Clamping voltage = VTH -VBE 0V ICLPP Minimum Negative Clamping Current Input voltage smaller than negative clamping voltage -2 mA Notes : 1. Supply voltage is regulated via external series regulator transistor. 2. Parameter is not tested during production, but it is guaranteed by the design and qualified by means of corner lots. STV2145 7/17 |
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