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, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200V
Output Current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A
Power Dissipation (TC = +100°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27W
Maximum Power Transistor Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Operating Temperature Range (TC), Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +125°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +125°C
Electrical Characteristics: (TA = +25°C unles otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ Max
Unit
Output Voltage
VOUT
NTE1776
NTE1777
VAC = 161V, IIn = 7.2mA
VAC = 161V, IIn = 6.9mA
122.2 123.0 123.8
129.2 130.0 130.8
134.2 135.0 135.8
V
V
V
NTE1778
Load Regulation
∆VLOAD IO = 250mA to 500mA
–
–
±0.8
±0
–
–
V
Output Voltage Temperature
Coefficient
VIN = VAC, IO = 500mA,
TC = –20° to +100°C
mV/°C
Input–Output Saturation Voltage VCE(sat) IC = 1A, IB = 10mA
–
200
1500
–
–
–
1.5
–
V
V
Input–Output Voltage
DC Current Gain
VCEO ICEO = 10mA, IB = 0
hFE IC = 1A, VCE = 4V
–
6500
–
Power Transistor Thermal
Resistance
RthJC Between Junction and Stem
Upper Surface
1.8
°C/W
µA
Input–Output Cutoff Current
ICEO
VCE = 200V,
Pin1, Pin2, and Pin5 Open
–
–
–
100
300
Output–Base Reverse Current
Capacity
IEB(S/B) t = 65msec
(Between Emitter–Base)
mA
Note 1. Recommended Case Temperature: Topr = +100°C.