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LX8584B-00CP Datasheet(PDF) 3 Page - Microsemi Corporation |
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LX8584B-00CP Datasheet(HTML) 3 Page - Microsemi Corporation |
3 / 7 page 7A L OW D ROPOUT P OSITIVE R EGULA TORS LX8584-xx/8584A-xx/8584B-xx PRODUCT DA T ABOOK 1996/1997 3 Copyright © 1997 Rev. 1.2 4/97 P RODUCTION D AT A S HEET Reference Voltage LX8584/84A-00 V REF I OUT = 10mA, T A = 25°C 10mA ≤ I OUT ≤ 7A, 1.5V ≤ (VIN - VOUT), VIN ≤ 7V, P ≤ PMAX LX8584B-00 I OUT = 10mA, T A = 25°C 10mA ≤ I OUT ≤ 7A, 1.5V ≤ (VIN - VOUT), VIN ≤ 7V, P ≤ PMAX Line Regulation (Note 2) ∆V REF (V IN) I OUT = 10mA, 1.5V ≤ (VIN - VOUT ), VIN ≤ 7V Load Regulation (Note 2) ∆V REF (IOUT) V IN - V OUT = 3V, 10mA ≤ IOUT ≤ 7A Thermal Regulation ∆V OUT(Pwr) T A = 25°C, 20ms pulse Ripple Rejection (Note 3) V OUT = 3.3V, f =120Hz, C OUT = 100µf Tantalum, V IN = 5V C ADJ = 10µF, I OUT = 7A Adjust Pin Current I ADJ Adjust Pin Current Change ∆I ADJ 10mA ≤ I OUT ≤ 7A, 1.5V ≤ (VIN - VOUT), VIN ≤ 7V Dropout Voltage LX8584A ∆V ∆V REF = 1%, IOUT = 7A LX8584/84B ∆V REF = 1%, IOUT = 7A LX8584/84B ∆V REF = 1%, IOUT = 6A Minimum Load Current I OUT(MIN) V IN ≤ 7V Maximum Output Current I OUT (MAX) 1.4V ≤ (V IN - VOUT), VIN ≤ 7V Temperature Stability ∆V OUT (T) Long Term Stability ∆V OUT (t) T A = 125°C, 1000 hrs RMS Output Noise (% of V OUT)VOUT (RMS) T A = 25°C, 10Hz ≤ f ≤ 10kHz ELECTRICAL CHARACTERISTICS (Unless otherwise specified, these specifications apply over the operating ambient temperatures for the LX8584-xxC/84A-xxC/84B-xxC with 0°C ≤ T A ≤ 125°C; V IN - VOUT = 3V; IOUT = 7A. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.) Parameter Symbol Test Conditions Units LX8584/84A/84B-00 Min. Typ. Max. 1.238 1.250 1.263 V 1.225 1.250 1.275 V 1.240 1.250 1.260 V 1.238 1.250 1.263 V 0.035 0.2 % 0.1 0.5 % 0.01 0.02 %/W 65 83 dB 55 100 µA 0.2 5 µA 1.1 1.2 V 1.2 1.4 V 1.1 1.3 V 210 mA 78 A 0.25 % 0.3 1 % 0.003 % Note 2. Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to heating effects are covered under the specification for thermal regulation. Note 3. These parameters, although guaranteed, are not tested in production. Parameter Symbol Test Conditions Units LX8584/84A/84B-33 Min. Typ. Max. Output Voltage LX8584/84A-33 V OUT V IN = 5V, IOUT = 0mA, TA = 25°C 4.75V ≤ V IN ≤ 10V, 0mA ≤ I OUT ≤ 7A, P ≤ PMAX LX8584B-33 V IN = 5V, IOUT = 0mA, TA = 25°C 4.75V ≤ V IN ≤ 10V, 0mA ≤ I OUT ≤ 7A, P ≤ PMAX Line Regulation (Note 2) ∆V OUT 4.75V ≤ V IN ≤ 7V (V IN ) 4.75V ≤ V IN ≤ 10V Load Regulation (Note 2) ∆V OUT (IOUT) V IN = 5V, 0mA ≤ IOUT ≤ IOUT (MAX) Thermal Regulation ∆V OUT(Pwr) T A = 25°C, 20ms pulse Ripple Rejection (Note 3) C OUT = 100µF (Tantalum), IOUT = 7.5V Quiescent Current I Q 0mA ≤ I OUT ≤ IOUT (MAX) , 4.75V ≤ VIN ≤ 10V Dropout Voltage LX8584-xx ∆V ∆V OUT = 1%, IOUT = IOUT (MAX) LX8584A-xx ∆V OUT = 1%, IOUT = IOUT (MAX) LX8584B-xx ∆V OUT = 1%, IOUT = IOUT (MAX) Maximum Output Current I OUT (MAX) V IN ≤ 7V Temperature Stability (Note 3) ∆V OUT (T) Long Term Stability (Note 3) ∆V OUT (t) T A = 125°C, 1000 hours RMS Output Noise (% of V OUT) (Note 3) V OUT (RMS) T A = 25°C, 10Hz ≤ f ≤ 10kHz 3.267 3.30 3.333 V 3.234 3.30 3.366 V 3.274 3.30 3.326 V 3.267 3.30 3.333 V 16 mV 210 mV 515 mV 0.01 0.02 % / W 60 83 dB 410 mA 1.4 V 1.2 V 1.4 V `7 8 A 0.25 % 0.3 1 % 0.003 % LX8584-00/84A-00/84B-00 (Adjustable) LX8584-33/84A-33/84B-33 (3.3V Fixed) |
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