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MCT7824BT Datasheet(PDF) 6 Page - Motorola, Inc |
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MCT7824BT Datasheet(HTML) 6 Page - Motorola, Inc |
6 / 12 page MCT7800 MCT7800 6 MOTOROLA ELECTRICAL CHARACTERISTICS (continued) (Vin = 19 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.) MCT7812B MCT7812C Characteristics Symbol Min Typ Max Min Typ Max Unit Ripple Rejection 15 Vdc ≤ Vin ≤ 25 Vdc, f = 120 Hz RR — 62 — — 62 — dB Dropout Voltage (IO = 1.0 A, TJ = +25°C) VI – VO — 2.0 — — 2.0 — Vdc Output Noise Voltage (TA = +25°C) 10 Hz ≤ f ≤ 100 kHz Vn — 10 — — 10 — µV/VO Output Resistance f = 1.0 kHz rO — 18 — — 18 — m Ω Short Circuit Current Limit (TA = +25°C) Vin = 35 Vdc ISC — 0.2 — — 0.2 — A Peak Output Current (TJ = +25°C) Imax — 2.2 — — 2.2 — A Average Temperature Coefficient of Output Voltage TCVO — –1.0 — — –1.0 — mV/ °C ELECTRICAL CHARACTERISTICS (Vin = 23 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.) MCT7815B MCT7815C Characteristics Symbol Min Typ Max Min Typ Max Unit Output Voltage (TJ = +25°C) VO 14.4 15 15.6 14.4 15 15.6 Vdc Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PO ≤15 W) 17.5 Vdc ≤ Vin ≤ 30 Vdc 18.5 Vdc ≤ Vin ≤ 30 Vdc VO — 14.25 — 15 — 15.75 14.25 — 15 — 15.75 — Vdc Line Regulation, TJ = +25°C (Note 2) 17.5 Vdc ≤ Vin ≤ 30 Vdc 20 Vdc ≤ Vin ≤ 26 Vdc Regline — — 11 5.0 300 150 — — 11 5.0 300 150 mV Load Regulation, TJ = +25°C (Note 2) 5.0 mA ≤ Vin ≤ 1.5 A 250 mA ≤ Vin ≤ 750 mA Regload — — 3.0 2.0 300 150 — — 3.0 2.0 300 150 mV Quiescent Current (TJ = +25°C) IB — 5.5 8.0 — 5.5 8.0 mA Quiescent Current Change 17.5 Vdc ≤ Vin ≤ 30 Vdc 18.5 Vdc ≤ Vin ≤ 30 Vdc 5.0 mA ≤ IO ≤ 1.0 A ∆IB — — — — — — — 1.0 0.5 — — — — — — 1.0 — 0.5 mA Ripple Rejection 18.5 Vdc ≤ Vin ≤ 28.5 Vdc, f = 120 Hz RR — 60 — — 60 — dB Dropout Voltage (IO = 1.0 A, TJ = +25°C) VI – VO — 2.0 — — 2.0 — Vdc Output Noise Voltage (TA = +25°C) 10 Hz ≤ f ≤ 100 kHz Vn — 10 — — 10 — µV/VO Output Resistance f = 1.0 kHz rO — 19 — — 19 — m Ω Short Circuit Current Limit (TA = +25°C) Vin = 35 Vdc ISC — 0.2 — — 0.2 — A Peak Output Current (TJ = +25°C) Imax — 2.2 — — 2.2 — A Average Temperature Coefficient of Output Voltage TCVO — –1.0 — — –1.0 — mV/ °C NOTES: 1. Tlow = 0°C for MCT78XXC Thigh = +125°C for MCT78XXB, C. When the junction temperature exceeds +125°C, internal current limiting = – 40 °C for MCT78XXB will reduce the output current to less than 1.0 A at a VI–VO of 15 V or greater. The MC7800 die will supply more current under the same conditions. 2. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. |
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