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# MC7905BT View Datasheet(PDF) - Motorola => Freescale

 Part Name Description Manufacturer MC7905BT THREE–TERMINAL NEGATIVE FIXED VOLTAGE REGULATORS Motorola => Freescale
MC7905BT Datasheet PDF : 12 Pages
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 MC7900 Figure 1. Worst Case Power Dissipation as a Function of Ambient Temperature 20 10 θHS = 5°C/W 5.0 4.0 3.0 θHS = 15°C/W 2.0 Infinite Heatsink No Heatsink 1.0 0.5 0.4 0.3 0.2 θJC = 5° C/W θJA = 65° C/W 0.1 PD(max) = 15W 25 50 75 100 125 150 TA, AMBIENT TEMPERATURE (°C) Figure 2. Peak Output Current as a Function of Input–Output Differential Voltage 2.5 2.0 TJ = +25°C 1.5 1.0 0.5 0 0 3.0 6.0 9.0 12 15 18 21 24 27 30 |VI –VO| INPUT–OUTPUT VOLTAGE DIFFERENTIAL (V) 100 80 60 40 20 0 10 Figure 3. Ripple Rejection as a Function of Frequency Vin = –11 V VO = – 6.0 V IO = 20 mA 100 1.0 k 10 k f, FREQUENCY (Hz) 100 k Figure 5. Output Voltage as a Function of Junction Temperature 6.26 6.22 6.18 6.14 Vin = –11 V VD = – 6.0 V 6.10 IO = 20 mA 6.06 –25 0 25 50 75 100 125 150 175 TJ, JUNCTION TEMPERATURE (°C) Figure 4. Ripple Rejection as a Function of Output Voltage 80 f = 120 Hz 70 IO = 20 mA ∆Vin = 1.0 V(RMS) 60 50 40 2.0 4.0 6.0 8.0 10 12 14 16 18 20 22 VO, OUTPUT VOLTAGE (V) 5.2 5.0 4.8 4.6 4.4 4.2 0 Figure 6. Quiescent Current as a Function of Temperature Vin = –11 V VO = – 6.0 V IO = 20 mA 25 50 75 100 125 TJ, JUNCTION TEMPERATURE (°C) 8 MOTOROLA ANALOG IC DEVICE DATA
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