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LM2715MT-ADJ Datasheet(PDF) 8 Page - National Semiconductor (TI) |
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LM2715MT-ADJ Datasheet(HTML) 8 Page - National Semiconductor (TI) |
8 / 22 page Electrical Characteristics — Gamma Buffer (Continued) Specifications in standard type face are for T J = 25˚C and those with boldface type apply over the full Operating Tempera- ture Range (T J = −40˚C to +125˚C). Unless otherwise specified VIN =2.2V, AVIN = 8V, RCOM =RGAMMA =50 Ω,C COM = C GAMMA = 1nF. Gamma Buffer Symbol Parameter Conditions Min (Note 4) Typ (Note 5) Max (Note 4) Units Is+ Supply Current (Amplifier + Buffer) Vo=AV IN/2, No Load 2.5 4.3 mA I SC Output Short Circuit Current Source 50 66 mA Sink 40 56 Electrical Characteristics — PMOS Switch Logic Control Specifications in standard type face are for T J = 25˚C and those with boldface type apply over the full Operating Tempera- ture Range (T J = −40˚C to +125˚C). Unless otherwise specified VIN =2.2V, AVIN = 8V, RCOM =RGAMMA =50 Ω,C COM = C GAMMA = 1nF. PMOS Switch Logic Control Symbol Parameter Conditions Min (Note 4) Typ (Note 5) Max (Note 4) Units I DELAY Delay Current 4.7 5.7 6.4 µA R DSON PMOS Switch ON Resistance 7 20 Ω I SWO PMOS Switch Current Switch ON 20 mA I SWI PMOS Switch Input Current SWC = 0V, SWO Open, SWI = 30V 50 100 µA SWC = 1.7V, SWO Open, SWI = 30V 175 350 V SWC Switch ON 1.5 1.1 V Switch OFF 1.1 0.7 Note 1: The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junction-to-ambient thermal resistance, θJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated using: PD (MAX) = (TJ(MAX) −TA)/θJA. Exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. Note 2: Absolute maximum ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions for which the device is intended to be functional, but device parameter specifications may not be guaranteed. For guaranteed specifications and test conditions, see the Electrical Characteristics. Note 3: The human body model is a 100 pF capacitor discharged through a 1.5k Ω resistor into each pin. Note 4: All limits guaranteed at room temperature (standard typeface) and at temperature extremes (bold typeface). All room temperature limits are 100% production tested or guaranteed through statistical analysis. All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL). Note 5: Typical numbers are at 25˚C and represent the most likely norm. Note 6: Duty cycle affects current limit due to ramp generator. See Typical Performance Characteristics for a graph of Power Switch Current Limit vs. VIN and Power Switch Current Limit vs. Temp. Note 7: See Typical Performance Characteristics section for Tri-Temperature data for RDSON vs. VIN. Note 8: Bias current flows into pin. Note 9: Refer to the graphs titled "Input Offset Voltage vs. Common Mode Voltage". www.national.com 8 |
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