NTE1870 - Datasheet Archive

 

Integrated Circuit Module ­ Color TV Switching Regulator Absolute Maximum Ratings: (TA = +25°C unless otherwise

 

NTE1870 NTE1870 Integrated Circuit Module ­ Color TV Switching Regulator Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Input AC Voltage, VACmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280V Output Power, POmax AC: 90V to 280V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80W AC: 150V to 280V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100W Substrate Temperature, TCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +105°C Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +105°C Ambient Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ­10° to +60°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ­30° to +105°C Thermal Resistance, Junction­to­Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8°C/W Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Test Conditions Min Typ Max Unit Output Voltage Hi +B VAC = 220V, IO1 = 500mA, IO2 = 500mA Low +B VAC = 220V, IO1 = 500mA, IO2 = 500mA ­ 15.0 ­ V Line Regulation VAC = 90V to 280V, IO1 = 500mA, IO2 = 500mA ­ ­ 1 V Load Regulation VAC = 220V, IO1 = 300mA to 700mA, IO2 = 500mA ­ 1.5 2.0 V Ripple Voltage VAC = 220V, IO1 = 500mA, IO2 = 500mA ­ 0.3 0.6 VP­P Temperature Stability VAC = 220V, IO1 = 500mA, IO2 = 500mA ­ 0.01 ­ %/°C Operating Frequency VAC = 220V, IO1 = 500mA, IO2 = 500mA ­ 34 ­ kHz Operating Efficiency VAC = 220V, IO1 = 500mA, IO2 = 500mA ­ 80 ­ % Cross Road Regulation VAC = 220V, IO1 = 500mA, IO2 = 0 to 1A ­ 0.2 ­ V Dielectric Voltage Prim ­ Second 4 ­ ­ kV Note 1. Hi +B: VO1, IO1; Low +B: VO2, IO2 114.0 115.0 116.0 V Pin Connection Diagram (Front View) 15 TR5 Collector (Internal) 14 TR5 Collector (Internal) 13 No Pin 12 No Pin 11 TR5 Emitter (Internal) 10 TR5 Base (Internal) 9 Constant Current base Drive 8 Voltage Compensation 7 Constant Current Base Driver Control 6 Constant Current Base Driver Control 5 Current Feedback for Overcurrent Protection 4 Power Supply for Control Voltage Set Up 3 Voltage to Set Up an Output Voltage 2 Soft Start/Output Voltage Setting 1 Control Circuit GND 2.330 (59.2) 2.050 (52.0) .335 (8.5) .630 (16.0) 1 1.004 (25.5) 15 .100 (2.54) 1.400 (35.6) .205 (5.2) .835 (21.2)