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OM1321 Datasheet(PDF) 3 Page - International Rectifier |
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OM1321 Datasheet(HTML) 3 Page - International Rectifier |
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3 / 4 page  3.5 - 7 3.5 OM1321NTM, OM1321STM, OM1321NKM, OM1321SMM, OM1321NMM, OM1321N2M OM1321STM Vin Cin* 0.1 µF Vout Co** 1.0 µF R2 Adjust IAdj R1 240Ω STANDARD APPLICATION *Cin is required if regulator is located an appreciable distance from power supply filter. ** Co is not needed for stability, however it does improve transient response. Vout = 1.25 V (1 + )+ IAd j R2 Since IAdj is controlled to less than 100 µA, the error associated with this term is negligible in most applications. R2 R1 Parameter Symbol Test Conditions Min. Max. Unit Reference Voltage VREF VDIFF = 3.0V, TA = 25°C 1.20 1.30 VDIFF = 3.3V • 1.20 1.30 V VDIFF = 40V • 1.20 1.30 VDIFF = 60V • 1.20 1.30 Line Regulation RLINE 3.0V ≤ VDIFF ≤ 40V, Vout = Vref, TA = 25°C -9 9 (Note 1) 3.3V ≤ VDIFF ≤ 40V, Vout = Vref • -23 23 mV 40V ≤ VDIFF ≤ 60V, Vout = Vref, TA = 25°C -5 5 40V ≤ VDIFF ≤ 60V, Vout = Vref • -10 10 Load Regulation RLOAD VDIFF = 3.0V, 10mA ≤ IL ≤ 500 mA, TA = 25°C -15 15 (Note 1) VDIFF = 3.3V, 10mA ≤ IL ≤ 500 mA • -15 15 mV VDIFF = 40V, 10mA ≤ IL ≤ 150 mA, TA = 25°C -15 15 VDIFF = 40V, 10mA ≤ IL ≤ 100 mA • -15 15 VDIFF = 60V, 10mA ≤ IL ≤ 20 mA • -15 15 Thermal Regulation VRTH Vin = 14.6V, IL = 300 mA -3.1 3.1 mV Pd = 4.0 Watts, t = 20 ms, TA = 25°C Ripple Rejection RN f = 120 Hz, Vout = Vref • 66 dB (Note 2) CAdj = 10 µF, Iout = 100 mA Adjustment Pin Current IAdj VDIFF = 3.0V, TA = 25°C 100 VDIFF = 3.3V • 100 µA VDIFF = 40V • 100 VDIFF = 60V • 100 Adjustment Pin ∆IAdj VDIFF = 3.0V, 10mA ≤ IL ≤ 500 mA, TA = 25°C -5 5 Current Change VDIFF = 3.3V, 10mA ≤ IL ≤ 500 mA • -5 5 VDIFF = 40V, 10mA ≤ IL ≤ 150 mA, TA = 25°C -5 5 VDIFF = 40V, 10mA ≤ IL ≤ 100 mA • -5 5 µA 3.0V ≤ VDIFF ≤ 40V, TA = 25°C -5 5 3.3V ≤ VDIFF ≤ 40V • -5 5 3.3V ≤ VDIFF ≤ 60V • -5 5 Miminum Load Current ILmin VDIFF = 3.0V, Vout = 1.4V (forced) 5.0 VDIFF = 3.3V, Vout = 1.4V (forced) • 5.0 mA VDIFF = 40V, Vout = 1.4V (forced) • 5.0 VDIFF = 60V, Vout = 1.4V (forced) • 7.0 Current Limit ICL VDIFF = 5V • 0.5 1.65 (Note 2) VDIFF = 40V, TA = 25°C 0.15 0.65 A VDIFF = 60V, TA = 25°C 0.02 0.28 Notes: Please see previous page. ELECTRICAL CHARACTERISTICS -55°C ≤ T A ≤ 125°C, IL = 8mA (unless otherwise specified) OM1321N2M |
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