전자부품 데이터시트 검색엔진 |
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LM1291N 데이터시트(PDF) 3 Page - National Semiconductor (TI) |
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LM1291N 데이터시트(HTML) 3 Page - National Semiconductor (TI) |
3 / 12 page Electrical Characteristics See Test Circuit(Figure 2) TA e 25 C VCC e 12V (Continued) Parameter Conditions Typical Limit Units (Note 6) (Note 7) H Drive duty cycle control DC input 0V – 4V 30% – 70% 01 TH V gain allowed H Drive Phase control gain (Note 9) 47 V PD1 Phase detector leakage current 1 m A (max) a VCO input bias current (Pin 28) H Drive low level output voltage IOL e 100 mA 08 V (max) (Pin 20) H Drive EN low level input voltage H Drive output active 08 V (max) (Pin 15) H Drive EN high level input voltage H Drive output open (unlatched) 20 V (min) (Pin 15) X-ray Shutdown threshold voltage Above threshold 172 165 V (min) (Pin 16) H Drive Output Open (Latched) 18 V(max) HHV Sync out HHV in vs Comp Video in 32 ns propagation delay change Clamp Pulse width (back porch) RSET e 15k VSET e 0V 04 m s (back porch) RSET e 15k VSET e 15V 14 m s (sync tip) RSET e 15k VSET e 4V 06 m s Clamp Pulse Delay (back porch) Trailing edge HHV Sync In 01 m s to leading edge clamp pulse (sync tip) Leading edge HHV Sync In 0025 TH s to leading edge clamp pulse Internal Ref voltage at pin 6 No load 82 V Note 1 Absolute Maximum Ratings indicate limits beyond which damage to the device may occur Note 2 Operating Ratings indicate conditions for which the device is functional but do not guarantee specific performance limits For guaranteed specifications and test conditions see the Electrical Characteristics The guaranteed specifications apply only for the test conditions listed Some performance characteristics may degrade when the device is not operated under the listed test conditions Note 3 All voltages are measured with respect to GND unless otherwise specified Note 4 The maximum power dissipation must be derated at elevated temperatures and is dictated by TJmax iJA and the ambient temperature TA The maximum allowable power dissipation at any elevated temperature is PD e (TJmax b TA) iJA or the number given in the Absolute Maximum Ratings whichever is lower For this device TJmax e 150 C The typical thermal resistance (iJA) of these parts when board mounted follow LM1291N 50 CW Note 5 Human Body model 100 pF capacitor discharged through a 15 kX resistor Note 6 Typicals are at TA e TJ e 25 C and represent most likely parametric norm Note 7 Tested limits are guaranteed to National’s AOQL (Average Outgoing Quality Level) Note 8 Measured with HP 53310A Modulation Domain Analyzer 50 ms sample window Note 9 Phase limits b015 k w k 035btDFB TH J expressed as a fraction of the horizontal period TH where tDFB is the horizontal output transistor turn-off delay from the rising edge of H Drive to the FBP peak A positive phase value represents a phase lead of the FBP peak with reference to the leading edge of H sync 3 |
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