Datenblatt-Suchmaschine für elektronische Bauteile |
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TDA9108 Datenblatt(PDF) 3 Page - STMicroelectronics |
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TDA9108 Datenblatt(HTML) 3 Page - STMicroelectronics |
3 / 9 page ELECTRICAL CHARACTERISTICS (continued) (refer to the test circuit, VS = 12V, TA =25 oC, unless otherwise specified) Symbol Parameter Test conditions Min. Typ. Max. Unit HORIZONTAL SYNC. INPUT V9SW Sync Input Threshold q Sync high q Sync Low 2VS 0.8 V V I9SW Sync Input Current q Sync high q Sync Low -20 -7 1 µA µA SYNC POLARITY SELECTION V10th Polarity Selection Threshold Positive sync on Pin 9 for V10 <V10th Negative sync on Pin 9 for V10 >V10th 2.3 2.5 2.7 V I10 Input Current V10 =2V V10 =3V 1 12 µA µA V10ZL Low Impedance (2k Ω) Threshold (see note 1) 6.3 V X-RAY PROTECTION CIRCUIT V8th X-ray Prot Input Threshold Voltage (when V8 >V8th Pin 2 and 3 are inhibited until VS is switched off/on) 2.6 2.9 3.2 V I8 Input Current V8 ≤ 2.5 V8 ≥ 3.3 -0.5 0.5 µA µA FLYBACK INPUT V6 Phase Comparator Input Threshold 10 V I6 Input Switching Current 0.1 mA OUTPUT PULSE V2 Saturation Voltage (Pin 3 grounded) I2 = 150mA 2.2 3.2 V I2 Output Current (Pin 3 grounded) V2 = 5V 150 mA V3 Output Voltage (Pin 2 connected to supply) q High level (I3 = 150mA) q Low level (I3 = 100mA) 8.8 9.8 1.5 10.8 2.7 V V I3 Output Current Capability q Source q Sink 150 100 mA mA R3 Output Resistance q At leading edge of output pulse q At falling edge of output pulse 3 20 Ω Ω DUTY CYCLE ADJUSTMENT tp Horizontal Output Pulse Duty Cycle on Pin 3 (high level, line transistor off time) f = 31.5kHz Pin 4 not connected 26 30 34 % V4 Voltage on Pin 4 (see note 2) Pin 4 not connected 0.178 VS 0.19 VS 0.202 VS V R4 Serial Equivalent Resistor on Pin 4 (see note 2) Pin 4 not connected 1.7 2.3 2.9 k Ω Note 1 : The voltage on the polarity detection comparator is clamped by an internal Zener diode (VZ). When voltage on Pin 10 reaches VZ, then IPIn 10 = VPin10 − VZ 2k Ω . Note 2 : Pin 4 internal schematic 4 0.19 VS 2.3k Ω To Duty Cyc le Adj ustment 10 V S 2.5V D Z 2k Ω TDA9108 3/9 |
Ähnliche Teilenummer - TDA9108 |
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Ähnliche Beschreibung - TDA9108 |
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