NTE NTE7075

NTE7075
Integrated Circuit
Module – 100W Offline Switching Regulator
for Color TV
Features:
D The Oscillation Circuit is Self–Oscillating
D Functional Trimming Permits the Output Voltage to be Set with High Accuracy: ±1V
D No Feedback from the Secondary Side to the Primary Side
D Few External Components Required
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
AC Input Voltage, Vacmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280Vrms
Maximum Output Power, POmax
85 to 280VAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100W
150 to 280VAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130W
Junction Temperature, TJmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Operating Case Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +105°C
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10° to +65°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +105°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
114
115
116
V
Output Voltage Setting
Vac = 200V, IO = 0.5A, RL = 230Ω
Line Regulation
Vac = 85 to 280V, IO = 0.8A, RL = 144Ω
–
0.4
1.0
V
Load Regulation
Vac = 200V, IO = 0.4 to 0.87A
–
1.0
1.5
V
Input Power
Vac = 200V, IO = 0.87A, RL = 132Ω
–
125
128
W
Output Ripple Voltage
Vac = 200V, IO = 0.87A, RL = 132Ω
–
0.3
0.6
VP–P
Temperature Coefficient
Vac = 200V, IO = 0.5A, RL = 230Ω
–
7
–
mV/°C
Reduced Voltage Characteristic (1)
Vac = 85V, IO = 0.87A, RL = 132Ω
112
113
–
V
Reduced Voltage Characteristic (2)
Vac = 95V, IO = 1.04A, RL = 110Ω
112
113
–
V
Light Load Characteristic
Vac = 200V, RL = 4.7kΩ
–
119
130
V
RΘJC
Junction–Substrate
–
–
1.3
°C/W
hFE
VCE = 5V, IC = 1.2A
10
–
–
–
–
1.5
V
Shorted Load Handling Capability
280
–
–
V
Recommended Tightening Torque
6
–
10
kg
TR5 Thermal Resistance
Current Amplification Factor
Saturation Voltage
VCE(sat) IC = 6A, IB = 1.2A
Equivalent Circuit
8
5
10
14
15
SUB
1
TR5
R1
11
R4
R3
C1
ZD2
R9
TR2
R5
TR1
2
ZD3
R6
TR4
TR3
R8
R7
R2
9
D1
7
ZD1
D2
D3
3
4
6
2.330 (59.2)
.335 (8.5)
2.050 (52.0)
.630
(16.0)
1
1.004
(25.5)
15
.100 (2.54)
1.400 (35.6)
.205 (5.2)
.835
(21.2)