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MCT7824BT Datasheet(PDF) 4 Page - Motorola, Inc |
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MCT7824BT Datasheet(HTML) 4 Page - Motorola, Inc |
4 / 12 page MCT7800 MCT7800 4 MOTOROLA ELECTRICAL CHARACTERISTICS (continued) (Vin = 11 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.) MCT7806B MCT7806C Characteristics Symbol Min Typ Max Min Typ Max Unit 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 — 1.3 — — 1.3 — 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 — – 0.8 — — – 0.8 — mV/ °C ELECTRICAL CHARACTERISTICS (Vin = 14 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.) MCT7808B MCT7808C Characteristics Symbol Min Typ Max Min Typ Max Unit Output Voltage (TJ = +25°C) VO 7.7 8.0 8.3 7.7 8.0 8.3 Vdc Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PO ≤15 W) 10.5 Vdc ≤ Vin ≤ 23 Vdc 11.5 Vdc ≤ Vin ≤ 23 Vdc VO — 7.6 — 8.0 — 8.4 7.6 — 8.0 — 8.4 — Vdc Line Regulation, TJ = +25°C (Note 2) 10.5 Vdc ≤ Vin ≤ 25 Vdc 11 Vdc ≤ Vin ≤ 17 Vdc Regline — — 7.0 2.0 160 80 — — 7.0 2.0 160 80 mV Load Regulation, TJ = +25°C (Note 2) 5.0 mA ≤ IO ≤ 1.5 A 250 mA ≤ IO ≤ 750 mA Regload — — 2.0 1.5 160 80 — — 2.0 1.5 160 80 mV Quiescent Current (TJ = +25°C) IB — 5.5 8.0 — 5.5 8.0 mA Quiescent Current Change 10.5 Vdc ≤ Vin ≤ 25 Vdc 11.5 Vdc ≤ Vin ≤ 25 Vdc 5.0 mA ≤ IO ≤ 1.0 A ∆IB — — — — — — — 1.0 0.5 — — — — — — 1.0 — 0.5 mA Ripple Rejection 11.5 Vdc ≤ Vin ≤ 21.5 Vdc, f = 120 Hz RR — 63 — — 63 — 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 — – 0.8 — — – 0.8 — 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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