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LM2524D 数据表(PDF) 5 Page - National Semiconductor (TI) |
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LM2524D 数据表(HTML) 5 Page - National Semiconductor (TI) |
5 / 22 page Electrical Characteristics (Continued) (Note 1) LM2524D LM3524D Symbol Parameter Conditions Tested Design Tested Design Units Typ Limit Limit Typ Limit Limit (Note 3) (Note 4) (Note 3) (Note 4) TC-V sense Sense Voltage T.C. 0.2 0.2 mV/˚C Common Mode −0.7 −0.7 V Min Voltage Range V 5 −V4 = 300 mV 1 1 V Max SHUT DOWN SECTION V SD High Input V (Pin 2) −V(Pin 1) ≥ 1 0.5 1 0.5 V Min Voltage 150 mV 1.5 1.5 V Max I SD High Input I (pin 10) 11 mA Current OUTPUT SECTION (EACH OUTPUT) V CES Collector Emitter I C ≤ 100 µA 55 40 V Min Voltage Breakdown I CES Collector Leakage V CE = 60V Current V CE = 55V 0.1 50 µA Max V CE = 40V 0.1 50 V CESAT Saturation I E = 20 mA 0.2 0.5 0.2 0.7 V Max Voltage I E = 200 mA 1.5 2.2 1.5 2.5 V EO Emitter Output I E =50mA 18 17 18 17 V Min Voltage t R Rise Time V IN = 20V, I E = −250 µA 200 200 ns R C =2k t F Fall Time R C = 2k 100 100 ns SUPPLY CHARACTERISTICS SECTION V IN Input Voltage After Turn-on 8 8 V Min Range 40 40 V Max T Thermal Shutdown (Note 2) 160 160 ˚C Temp. I IN Stand By Current V IN = 40V (Note 6) 5 10 5 10 mA Note 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. Note 2: For operation at elevated temperatures, devices in the N package must be derated based on a thermal resistance of 86˚C/W, junction to ambient. Devices in the M package must be derated at 125˚C/W, junction to ambient. Note 3: Tested limits are guaranteed and 100% tested in production. Note 4: Design limits are guaranteed (but not 100% production tested) over the indicated temperature and supply voltage range. These limits are not used to calculate outgoing quality level. Note 5: 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. Note 6: Pins 1, 4, 7, 8, 11, and 14 are grounded; Pin2=2V. All other inputs and outputs open. Note 7: 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. Note 8: 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. www.national.com 5 |
类似零件编号 - LM2524D |
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类似说明 - LM2524D |
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