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LM3524D Arkusz danych(PDF) 3 Page - Texas Instruments |
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LM3524D Arkusz danych(HTML) 3 Page - Texas Instruments |
3 / 29 page LM2524D, LM3524D www.ti.com SNVS766E – JUNE 2009 – REVISED MAY 2013 These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. Absolute Maximum Ratings (1) (2) Supply Voltage 40V Collector Supply Voltage LM2524D 55V LM3524D 40V Output Current DC (each) 200 mA Oscillator Charging Current (Pin 7) 5 mA Internal Power Dissipation 1W Operating Junction Temperature Range (3) LM2524D −40°C to +125°C LM3524D 0°C to +125°C Maximum Junction Temperature 150° Storage Temperature Range −65°C to +150°C Lead Temperature (Soldering 4 sec.) NFG, D Pkg. 260°C (1) Absolute maximum ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications do not apply when operating the device beyond its rated operating conditions. (2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and specifications. (3) For operation at elevated temperatures, devices in the NFG package must be derated based on a thermal resistance of 86°C/W, junction to ambient. Devices in the D package must be derated at 125°C/W, junction to ambient. Electrical Characteristics (1) Symbol Parameter Conditions LM2524D LM3524D Units Typ Tested Design Typ Tested Design Limit(2) Limit(3) Limit(2) Limit(3) REFERENCE SECTION VREF Output Voltage 5 4.85 4.80 5 4.75 VMin 5.15 5.20 5.25 VMax VRLine Line Regulation VIN = 8V to 40V 10 15 30 10 25 50 mVMax VRLoad Load Regulation IL = 0 mA to 20 mA 10 15 25 10 25 50 mVMax ΔVIN/ΔVREF Ripple Rejection f = 120 Hz 66 66 dB IOS Short Circuit Current VREF = 0 25 25 mA Min 50 50 180 200 mA Max NO Output Noise 10 Hz ≤ f ≤ 10 kHz 40 100 40 100 μVrms Max Long Term Stability TA = 125°C 20 20 mV/kHr OSCILLATOR SECTION fOSC Max. Freq. RT = 1k, CT = 0.001 μF (4) 550 500 350 kHzMin fOSC Initial Accuracy RT = 5.6k, CT = 0.01 μF (4) 17.5 17.5 kHzMin 20 20 22.5 22.5 kHzMax RT = 2.7k, CT = 0.01 μF (4) 34 30 kHzMin 38 38 42 46 kHzMax (1) Unless otherwise stated, these specifications apply for TA = TJ = 25°C. Boldface numbers apply over the rated temperature range: LM2524D is −40° to 85°C and LM3524D is 0°C to 70°C. VIN = 20V and fOSC = 20 kHz. (2) Tested limits are ensured and 100% tested in production. (3) Design limits are ensured (but not 100% production tested) over the indicated temperature and supply voltage range. These limits are not used to calculate outgoing quality level. (4) The value of a Ct capacitor can vary with frequency. Careful selection of this capacitor must be made for high frequency operation. Polystyrene was used in this test. NPO ceramic or polypropylene can also be used. Copyright © 2009–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM2524D LM3524D |
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