NTE7073
Integrated Circuit
Hybrid Switching Regulator
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
TR1 Collector–Emitter Voltage (Note 1), V
Applying Voltage, Pin4–2, V
Applying Voltage, Pin2–5, V
Applying Voltage, Pin5–9, V
Applying Voltage, Pin7–6, V
TR1 Collector Current, I
2–4
2–5
5–9
7–6
C(TR1)
Continuous 10A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pulsed 20A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TR4 Collector Current, I
D2 Forward Current, I
D3 Forward Current, I
C(TR4)
IN(D2)
IN(D3)
Maximum Power Dissipation (Note 2), P
No Fin 3.2W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TC1 = +100°C 2.7W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TR1 Junction Temperature, T
J
Frame Temperature Range (Operating, Note 3), T
Storage Temperature Range, T
stg
Maximum Output Current (VO = 115V), I
CEX
D
C2
O
500V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
500mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
500mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
100mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–20° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . .
–30° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. Reference: V
= 400V Min
CEO
Note 2. TC1 denotes the temperature of resin beneath the Power Transistor.
Note 3. TC2 denotes the internal frame temperature. Recommended TC2 = +100°C.
Electrical Characteristics (TR1 Characteristics): (TA = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Saturation Voltage V
Collector Cutoff Current I
DC Current Gain h
Power Transistor Thermal
Resistance
Switching Time t
CE(sat)IC
V
BE(sat)IC
R
CBO
FE
Θ
JC2
s
t
f
= 8A, IB = 1.2A – – 0.5 V
= 6A, IB = 1.2A – – 1.5 V
VCE = 500V, VBE = 1.5V – – 1.8 mA
IC = 1A, VCE = 4V 15 – 40
Between Junction and Internal Frame – 0.7 – °C/W
– – 10.0 µs
– – 0.6 µs
Pin Connection Diagram
(Front View)
Photo Coupler (–)
9
Drive TR2 Base
8
GND/Current Detector
7
Current Detector Base
6
5 Drive Control
4 Drive Control
Base
3
2
Emitter/Common (Power TR)
Collector1
.953 (24.4)
.610 (15.5)
.130 (3.3) Dia
.197
(5.0)
.905
(23.0)
19
.276
.492
(7.0)
(12.5)
.216 (5.5)
.100 (2.54) .177 (4.5)
.800 (20.32)
.216 (5.5)