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LX8384-00 Datasheet(PDF) 3 Page - Microsemi Corporation |
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LX8384-00 Datasheet(HTML) 3 Page - Microsemi Corporation |
3 / 8 page 5A L OW D ROPOUT P OSITIVE R EGULA TORS LX8384-xx/8384A-xx/8384B-xx PRODUCT DA T ABOOK 1996/1997 3 Copyright © 1997 Rev. 1.9 12/97 P RODUCTION D ATA S HEET ELECTRICAL CHARACTERISTICS (Unless otherwise specified, these specifications apply over the operating ambient temperatures for the LX8384-xxC/8384A-xxC/8384B-xxC with 0°C ≤ T A ≤ 125°C, and the LX8384-xxI with -25°C ≤ TA ≤ 125°C; VIN - VOUT = 3V; IOUT = 5A. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.) Parameter Symbol Test Conditions Units LX8384/84A/84B-00 Min. Typ. Max. Reference Voltage LX8384/84A-00 V REF I OUT = 10mA, T A = 25°C (Note 4) 10mA ≤ I OUT ≤ 5A, 1.5V ≤ (VIN - VOUT), VIN ≤ 10V, P ≤ PMAX LX8384B-00 I OUT = 10mA, T A = 25°C 10mA ≤ I OUT ≤ 5A, 1.5V ≤ (VIN - VOUT), VIN ≤ 10V, P ≤ PMAX Line Regulation (Note 2) ∆V REF 1.3V ≤ (V IN - V OUT), VIN ≤ 7V, IOUT = 10mA (V IN ) 1.3V ≤ (V IN - VOUT ), VIN ≤ 10V, IOUT = 10mA Load Regulation (Note 2) ∆V REF (IOUT) V OUT ≥ V REF, VIN - VOUT = 3V, 10mA ≤ IOUT ≤ 5A Thermal Regulation ∆V OUT(Pwr) T A = 25°C, 20ms pulse Ripple Rejection (Note 3) V OUT = 5V, f =120Hz, C OUT = 100µf Tantalum, V IN = 6.5V C ADJ = 10µF, I OUT = 5A Adjust Pin Current I ADJ Adjust Pin Current Change (Note 4) ∆I ADJ 10mA ≤ I OUT ≤ IOUT (MAX) , 1.3V ≤ (VIN - VOUT), VIN ≤ 10V Dropout Voltage LX8384-00 ∆V ∆V REF = 1%, IOUT = 5A LX8384A/84B-00 ∆V REF = 1%, IOUT = 5A Minimum Load Current I OUT (MIN) V IN ≤ 10V Maximum Output Current I OUT (MAX) (V IN - VOUT) ≤ 7V (V IN - VOUT) ≤ 10V 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 1.238 1.250 1.262 V 1.225 1.250 1.270 V 1.240 1.250 1.260 V 1.238 1.250 1.262 V 0.015 0.2 % 0.035 0.3 % 0.15 0.5 % 0.01 0.02 %/W 65 83 dB 20 55 100 µA 0.2 5 µA 1.2 1.5 V 1.1 1.3 V 210 mA 56 A 34 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. Note 4. See Maximum Output Current Section above. Parameter Symbol Test Conditions Units LX8384/84A/84B-15 Min. Typ. Max. Output Voltage LX8384/84A-15 V OUT V IN = 5V, IOUT = 0mA, TA = 25°C (Note 4) 4.75V ≤ V IN ≤ 10V, 0mA ≤ I OUT ≤ 5A, P ≤ PMAX LX8384B-15 V IN = 5V, IOUT = 0mA, TA = 25°C 4.75V ≤ V IN ≤ 10V, 0mA ≤ I OUT ≤ 5A, 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 = 5A Quiescent Current I Q 0mA ≤ I OUT ≤ IOUT (MAX) , 4.75V ≤ VIN ≤ 10V Dropout Voltage LX8384-15 ∆V ∆V OUT = 1%, IOUT ≤ IOUT (MAX) LX8384A/84B-15 ∆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 1.485 1.50 1.515 V 1.470 1.50 1.530 V 1.488 1.50 1.512 V 1.485 1.50 1.515 V 13 mV 15 mV 2.5 7 mV 0.01 0.02 % / W 60 83 dB 410 mA 1.2 1.5 V 1 1.3 V 56 A 0.25 % 0.3 1 % 0.003 % LX8384-00 / 8384A-00 / 8384B-00 (Adjustable) LX8384-15 / 8384A-15 / 8384B-15 (1.5V Fixed) |
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