NTE NTE1777, NTE1776, NTE1778 Datasheet

NTE1776 thru NTE1778

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

IN

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

Output Current, I

O

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

Power Dissipation (T

C

= +100°C), P

D

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

Maximum Power Transistor Junction Temperature, T

J

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

Operating Temperature Range (TC), T

opr

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

Storage Temperature Range, T

stg

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

Electrical Characteristics:

(TA = +25°C unles otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Output Voltage

NTE1776

V

OUT

VAC = 161V, IIn = 7.2mA 122.2 123.0 123.8 V
NTE1777 VAC = 161V, IIn = 6.9mA 129.2 130.0 130.8 V
NTE1778 134.2 135.0 135.8 V

Load Regulation ∆V

LOADIO

= 250mA to 500mA – ±0.8 – V

Output Voltage Temperature

Coefficient

VIN = VAC, IO = 500mA,

T

C

= –20° to +100°C

– ±0 – mV/°C

Input–Output Saturation Voltage V

CE(sat)IC

= 1A, IB = 10mA – – 1.5 V

Input–Output Voltage V

CEOICEO

= 10mA, IB = 0 200 – – V

DC Current Gain h

FE

IC = 1A, VCE = 4V 1500 – 6500

Power Transistor Thermal

Resistance

R

thJC

Between Junction and Stem

Upper Surface

– 1.8 – °C/W

Input–Output Cutoff Current I

CEO

VCE = 200V,

Pin1, Pin2, and Pin5 Open

– – 100 µA

Output–Base Reverse Current

Capacity

I

EB(S/B)

t = 65msec

(Between Emitter–Base)

– 300 mA

Note 1. Recommended Case Temperature: T

opr

= +100°C.

Pin Connection Diagram

(Front View)

Common (–)

Input
Base

3
2
1

Blank
Output

5
4

OR

.700 (17.7) .177 (4.5)

.500 (12.7)

.150 (3.8).100 (2.54)

.133 (3.4)

.196
(5.0)

12 3 45

1.101

(527.9)

.590

(15.0)

.237
(6.0)

.700 (17.7) .177 (4.5)

.500 (12.7)

.150
(3.8)

.100 (2.54)

12 3 45

1.691
(42.9)

.276
(7.0)

.177
(4.5)