NTE NTE1743, NTE1740 Datasheet

NTE1740 thru NTE1743

Integrated Circuit

TV Fixed Voltage Regulator

Features:

D Triple Diffused Darlington Transistor Chips Incorporated
D Compact Plastic Package with Industry Standard Reliability
D Output Voltage is Pre–Fixed – No External Adjustment is Required

Absolute Maximum Ratings:

Peak Input Voltage, V
Output Current, I
Power Dissipation (TC = +100°C), P
Maximum Power Transistor Junction Temperature, T
Operating Temperature Range (TC), T
Storage Temperature Range, T

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

Parameter Symbol Test Conditions Min Typ Max Unit

IN

O

D

J

opr

stg

200V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

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

Output Voltage

NTE1740
NTE1741 VAC = 120V, IIn = 7mA 124 125 126 V
NTE1742 129 130 131 V
NTE1743 134 135 136 V

Load Regulation ∆V
Output Voltage Temperature

Coefficient

Input–Output Saturation Voltage V
Input–Output Voltage V
DC Current Gain h
Overload Capacity T
Power Transistor Thermal

Resistance

Input–Output Cutoff Current I

Output–Base Reverse Current

Capacity

V

OUT

LOADIO

CE(sat)IC

CEOICEO

FE

S/B

R

thJC

CEO

I

EB(S/B)

VAC = 100V, IIn = 6mA 114 115 116 V

= 250mA to 500mA – ±1 – V

VIN = VAC, IO = 500mA,

= –20° to +100°C

T

C

= 1A, IB = 0 – – 1.5 V

= 10mA, IB = 0 200 – – V
IC = 1A, VCE = 4V 1500 – 6500
VCE = 100V, IC = 1A 1.0 – – sec
Between Junction and Stem

Upper Surface
VCE = 200V, Open

(Between Pin1 & Pin2)
t = 65msec

(Between Emitter–Base)

– 7 – mV/°C

– 1.25 – °C/W

– – 100 µA

300 – – mA

Note 1. Recommended Case Temperature: T

opr(TC

) = +100°C.

Pin Connection Diagram

(Front View)

5
4
3
2
1

No Pin
Output

Common (–)
Base
Input/Case

1.410 (36.0)

.960 (24.4)

12345

.236 (6.0)

Max

.834

(21.2)

.177

(4.5)

.214 (5.45)

.039 (1.0)

.708

(18.0)

.023 (0.6)