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| NTE7078 Integrated Circuit Hybrid Switching Voltage Regulator Absolute Maximum Ratings: Maximum Peak Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 850V Input Current, IIN Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6A Pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12A Power Dissipation (TC = +100C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27W Power Transistor Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Operating Temperature Range (Case Temperature, Note 1), Topr . . . . . . . . . . . . . . . -20 to +125C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 to +125C Note 1. Recommended Operating Temperature: Topr = +100C Electrical Characteristics: (TA = +25C unless otherwise specified) Parameter Output Voltage Sensing Voltage (Fixed Voltage) Line Regulation Load Regulation Output Voltage Temperature Coefficient Saturation Voltage Symbol VO VO Test Conditions VIN = 220V, IO = 700mA, Note 2 IIN = 7mA Min Typ Max Unit V V V V mV/C V V 113.5 115.0 116.5 41.3 41.8 42.3 Initial Value 1V Initial Value 2V - - - 15 - - - - 2 - - - - 1.8 - - - 0.4 1.5 38 1 - 11.0 0.5 mA C/W s s RegLINE VIN = 180V to 280V, IO = 700mA RegLOAD VIN = 220V, IO = 400mA to 700mA Kt VCE(sat) VBE(sat) hFE ICEX RJC ts tf TC = -20 to +100C, IIN = 7mA IC = 2A, IB = 400mA IC = 2A, IB = 400mA IC = 1A, VCE = -4V VCE = 850V, VBE = -1.5V Between Junction and Case IC = 2A, IB1 = 400mA, IB2 = -400mA, RL = 100 DC Current Gain Collector Cutoff Current Power Transistor Thermal Resistance Switching Time Note 2. Output voltage is determined by the ratio between the sensing winding "D" and the secondary winding "S". Pin Connection Diagram (Front View) 5 VOUT Adjust 4 GND 3 Input 2 Base Drive 1 Voltage Sensing .700 (17.7) .177 (4.5) .700 (17.7) .177 (4.5) .196 (5.0) 1.101 (527.9) 1 2 3 4 5 .133 (3.4) OR 1 2 3 4 5 1.691 (42.9) .276 (7.0) .590 (15.0) .237 (6.0) .100 (2.54) .500 (12.7) .150 (3.8) .100 (2.54) .500 (12.7) .150 (3.8) .177 (4.5) |
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