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LM25115 数据表(PDF) 2 Page - National Semiconductor (TI) |
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LM25115 数据表(HTML) 2 Page - National Semiconductor (TI) |
2 / 17 page Connection Diagram 20172602 16-Lead TSSOP, LLP See NS Package Numbers MTC16 and SDA16A Ordering Information Ordering Number Package Type NSC Package Drawing Supplied As LM25115MT TSSOP-16 MTC16 92 Units Per Anti-Static Tube LM25115MTX TSSOP-16 MTC16 2500 shipped as Tape & Reel LM25115SD LLP-16 SDA16A Available Soon LM25115SDX LLP-16 SDA16A Available Soon Pin Descriptions Pin Name Description Application Information 1 CS Current Sense amplifier positive input A low inductance current sense resistor is connected between CS and VOUT. Current limiting occurs when the differential voltage between CS and VOUT exceeds 45mV (typical). 2 VOUT Current sense amplifier negative input Connected directly to the output voltage. The current sense amplifier operates over a voltage range from 0V to 13.5V at the VOUT pin. 3 AGND Analog ground Connect directly to the power ground pin (PGND). 4 CO Current limit output For normal current limit operation, connect the CO pin to the COMP pin. Leave this pin open to disable the current limit function. 5 COMP Compensation. Error amplifier output COMP pin pull-up is provided by an internal 300uA current source. 6 FB Feedback. Error amplifier inverting input Connected to the regulated output through the feedback resistor divider and compensation components. The non-inverting input of the error amplifier is internally connected to the SS pin. 7 SS Soft-start control An external capacitor and the equivalent impedance of an internal resistor divider connected to the bandgap voltage reference set the soft-start time. The steady state operating voltage of the SS pin equal to 0.75V (typical). 8 RAMP PWM Ramp signal An external capacitor connected to this pin sets the ramp slope for the voltage mode PWM. The RAMP capacitor is charged with a current that is proportional to current into the SYNC pin. The capacitor is discharged at the end of every cycle by an internal MOSFET. www.national.com 2 |
类似零件编号 - LM25115 |
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类似说明 - LM25115 |
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