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TEA1039 Datasheet(PDF) 7 Page - NXP Semiconductors |
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TEA1039 Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 16 page August 1982 7 Philips Semiconductors Product specification Control circuit for switched-mode power supply TEA1039 CHARACTERISTICS VCC = 14 V; Tamb = 25 °C unless otherwise specified SYMBOL MIN. TYP. MAX. UNIT Supply VCC (pin 9) Supply voltage, operating VCC 11 14 20 V Supply current at VCC = 11 V ICC − 7,5 11 mA at VCC = 20 V ICC − 912 mA variation with temperature −−0,3 − %/K Supply voltage, internally limited at ICC = 30 mA VCC 23,5 − 28,5 V variation with temperature ∆V CC/∆T − 18 − mV/K Low supply threshold voltage VCCmin 910 11 V variation with temperature ∆V CC/∆T −−5 − mV/K High supply threshold voltage VCCmax 21 23 24,6 V variation with temperature ∆VCC/∆T − 10 − mV/K Feedback input FB (pin 3) Input voltage for duty factor = 0; M input open V3-7 0 − 0,3 V Internal reference current −I FB − 0,5IRX − mA Internal resistor Rg Rg − 130 − k Ω Limit setting input LIM (pin 2) Threshold voltage V2-7 − 1 − V Internal reference current −I LIM − 0,25IRX − mA Overcurrent protection input CM (pin 1) Threshold voltage V1-7 300 370 420 mV variation with temperature ∆V 1-7/∆T − 0,2 − mV/K Propagation delay, CM input to output tPHL − 500 − ns I CC ICC ⁄ ∆ T ∆ ------------------------- |
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