NTE NTE7079 Datasheet

NTE7079

Integrated Circuit

Hybrid Switching Voltage Regulator

Absolute Maximum Ratings:

Maximum Peak Input Voltage, V
Input Current, I

IN

Continuous 6A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pulse 12A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maximum Output Current (VO = 115V), I
Power Dissipation (TC = +100°C), P
Power Transistor Junction Temperature, T
Operating Temperature Range (Case Temperature, Note 1), T
Storage Temperature Range, T

IN

O

D

J

stg

opr

850V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.3A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

+150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–20° to +125°C. . . . . . . . . . . . . . .

–30° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Note 1. Recommended Operating Temperature: T

= +100°C

opr

Electrical Characteristics: (TA = +25°C unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Output Voltage V
Sensing Voltage (Fixed Voltage) V
Line Regulation Reg
Load Regulation Reg
Output Voltage Temperature

Coefficient

Saturation Voltage V

DC Current Gain h
Collector Cutoff Current I
Power Transistor Thermal

Resistance

Switching Time t

CE(sat)IC

V

BE(sat)IC

R

K

CEX

Θ

t

VIN = 220V, IO = 900mA, Note 2 108.5 1 10.0 111.5 V

O

IIN = 7mA 41.3 41.8 42.3 V

O
LINEVIN

LOADVIN

t

FE

JC

s

f

= 180V to 280V, IO = 900mA Initial Value ±1V V
= 220V, IO = 550mA to 900mA Initial Value ±2V V

TC = –20° to +100°C, IIN = 7mA – ±2 – mV/°C

= 3A, IB = 600mA – – 0.4 V

= 3A, IB = 600mA – – 1.5 V
IC = 1A, VCE = 4V 15 – 38
VCE = 850V, VBE = 1.5V – – 1 mA
Between Junction and Case – 1.8 – °C/W

IC = 3A, IB1 = 500mA, IB2 = –500mA,
RL = 67Ω

– – 11.0 µs
– – 0.5 µs

Note 2. Output voltage i s d eter mined b y t he r atio b etween t he s ens ing w inding “ D ” and the s econdary

winding “S”.

Pin Connection Diagram

(Front View)

5
4
3
2

1 Voltage Sensing

V

Adjust

OUT

GND
Input

Base Drive

.700 (17.7) .177 (4.5)

.196

(5.0)

12 3 45

.133 (3.4)

.150 (3.8).100 (2.54)

.500 (12.7)

1.101

(527.9)

.590

(15.0)

OR

.100 (2.54)

.700 (17.7) .177 (4.5)

1.691

12 3 45

.500 (12.7)

(42.9)

.150
(3.8)

.276
(7.0)

.237
(6.0)

.177
(4.5)