NTE7078 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit Hybrid Switching Voltage Regulator

NTE7078
Integrated Circuit
Hybrid Switching Voltage Regulator
Absolute Maximum Ratings:
Maximum Peak Input Voltage, V_IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 850V
Input Current, I_IN
Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6A
Pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12A
Power Dissipation (T_C = +100°C), P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27W
Power Transistor Junction Temperature, T_J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Operating Temperature Range (Case Temperature, Note 1), T_opr . . . . . . . . . . . . . . . –20° to +125°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +125°C
Note 1. Recommended Operating Temperature: T_opr = +100°C
Electrical Characteristics: (T_A = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Output Voltage
Sensing Voltage (Fixed Voltage)
Line Regulation
Load Regulation
Output Voltage Temperature
Coefficient
V_O V_IN = 220V, I_O = 700mA, Note 2
V_O I_IN = 7mA
Reg_LINE V_IN = 180V to 280V, I_O = 700mA
Reg_LOAD V_IN = 220V, I_O = 400mA to 700mA
K_t T_C = –20° to +100°C, I_IN = 7mA
Saturation Voltage
DC Current Gain
Collector Cutoff Current
Power Transistor Thermal
Resistance
V_CE(sat)
V_BE(sat)
h_FE
I_CEX
R_ΘJC
I_C = 2A, I_B = 400mA
I_C = 2A, I_B = 400mA
I_C = 1A, V_CE = –4V
V_CE = 850V, V_BE = –1.5V
Between Junction and Case
Switching Time
t_s
I_C = 2A, I_B1 = 400mA, I_B2 = –400mA,
t_f
R_L = 100Ω
Min Typ Max Unit
113.5 115.0 116.5 V
41.3 41.8 42.3 V
Initial Value ±1V
V
Initial Value ±2V
V
– ±2 – mV/°C
–
– 0.4 V
–
– 1.5 V
15 – 38
–
–
1 mA
– 1.8 – °C/W
–
– 11.0 µs
–
– 0.5 µs
Note 2. Output voltage is determined by the ratio between the sensing winding “D” and the secondary
winding “S”.