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LM2524D Datasheet(PDF) 4 Page - Texas Instruments |
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LM2524D Datasheet(HTML) 4 Page - Texas Instruments |
4 / 29 page LM2524D, LM3524D SNVS766E – JUNE 2009 – REVISED MAY 2013 www.ti.com Electrical Characteristics (1) (continued) Symbol Parameter Conditions LM2524D LM3524D Units Typ Tested Design Typ Tested Design Limit(2) Limit(3) Limit(2) Limit(3) ΔfOSC Freq. Change with VIN VIN = 8 to 40V 0.5 1 0.5 1.0 %Max ΔfOSC Freq. Change with Temp. TA = −55°C to +125°C 5 5 % at 20 kHz RT = 5.6k, CT = 0.01 μF VOSC Output Amplitude (Pin 3) RT = 5.6k, CT = 0.01 μF 3 2.4 3 2.4 VMin (5) tPW Output Pulse Width (Pin 3) RT = 5.6k, CT = 0.01 μF 0.5 1.5 0.5 1.5 μsMax Sawtooth Peak Voltage RT = 5.6k, CT = 0.01 μF 3.4 3.6 3.8 3.8 VMax Sawtooth Valley Voltage RT = 5.6k, CT = 0.01 μF 1.1 0.8 0.6 0.6 VMin ERROR-AMP SECTION VIO Input Offset Voltage VCM = 2.5V 2 8 10 2 10 mVMax IIB Input Bias Current VCM = 2.5V 1 8 10 1 10 μAMax IIO Input Offset Current VCM = 2.5V 0.5 1.0 1 0.5 1 μAMax ICOSI Compensation Current VIN(I) − VIN(NI) = 150 mV 65 65 μAMin (Sink) 95 95 125 125 μAMax ICOSO Compensation Current VIN(NI) − VIN(I) = 150 mV −125 −125 μAMin (Source) −95 −95 −65 −65 μAMax AVOL Open Loop Gain RL = ∞, VCM = 2.5 V 80 74 60 80 70 60 dBMin VCMR Common Mode Input 1.5 1.4 1.5 VMin Voltage Range 5.5 5.4 5.5 VMax CMRR Common Mode Rejection 90 80 90 80 dBMin Ratio GBW Unity Gain Bandwidth AVOL = 0 dB, VCM = 2.5V 3 2 MHz VO Output Voltage Swing RL = ∞ 0.5 0.5 VMin 5.5 5.5 VMax PSRR Power Supply Rejection VIN = 8 to 40V 80 70 80 65 dbMin Ratio COMPARATOR SECTION Minimum Duty Cycle Pin 9 = 0.8V, tON/tOSC 0 0 0 0 %Max [RT = 5.6k, CT = 0.01 μF] Maximum Duty Cycle Pin 9 = 3.9V, tON/tOSC 49 45 49 45 %Min [RT = 5.6k, CT = 0.01 μF] Maximum Duty Cycle Pin 9 = 3.9V, tON/tOSC 44 35 44 35 %Min [RT = 1k, CT = 0.001 μF] VCOMPZ Input Threshold Zero Duty Cycle 1 1 V (Pin 9) VCOMPM Input Threshold (Pin 9) Maximum Duty Cycle 3.5 3.5 V IIB Input Bias Current −1 −1 μA CURRENT LIMIT SECTION VSEN Sense Voltage V(Pin 2) − V(Pin 1) ≥ 150 mV 180 180 mVMin 200 200 220 220 mVMax TC-Vsense Sense Voltage T.C. 0.2 0.2 mV/°C Common Mode Voltage V5 − V4 = 300 mV −0.7 −0.7 VMin Range 1 1 VMax (5) OSC amplitude is measured open circuit. Available current is limited to 1 mA so care must be exercised to limit capacitive loading of fast pulses. 4 Submit Documentation Feedback Copyright © 2009–2013, Texas Instruments Incorporated Product Folder Links: LM2524D LM3524D |
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