NTE NTE1894 Datasheet

NTE1894

Integrated Circuit

Hybrid Switching Voltage Regulator

Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)

Peak Input Voltage, V
Input Current, I

IN

Continuous 10A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pulse 20A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Dissipation (T
Junction Temperature, T
Operating Case Temperature Range, T
Storage Temperature Range, T

IN

= +100°C), P

C

J

stg

D

opr

500V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

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

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

Electrical Characteristics:

(TA = +25°C unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Set Output Voltage V

IIN = 7mA 41.3 41.8 42.3 V

O

Output Voltage VIN = 100V, IO1 = 1.2A 115 ±2 V
Line Regulation vs. Input Voltage Reg
Line Regulation vs. Output Current Reg

LINE1VIN
LINE2VIN

= 85V to 132V, IO = 1.2A Initial Value ±2 V
= 100V, IO1 = 0.4 to 1.2A Initial Value ±2 V

Temperature Coefficient of Output Voltage TC = –20° to +100°C, IIN = 7mA ±2 mV/°C

Power Transistor Characteristics

Collector–Emitter Saturation Voltage V
Base–Emitter Saturation Voltage V

CE(sat)IC
BE(sat)IC

Collector Cutoff Current I
DC Current Gain h
Switching Turn–On Time t
Switching Fall Time t
Thermal Resistance, Junction to Case R

Pin Connection Diagram

(Front View)

CEX

FE

on

f

Θ

JC

= 5A, IB = 1A – – 0.5 V

= 5A, IB = 1A – – 1.5 V
VCE = 500V, VBE = –1.5V – – 1 mA
VCE = 4V, IC = 1A 15 – 40

– – 10 µs
– – 0.4 µs

Top Part of Junction Stem 1.8 °C/W

.700 (17.7) .177 (4.5)

.196
(5.0)

.700 (17.7) .177 (4.5)

Soft Start

5

GND (E)

4

Input (C)

3
2

Base Drive (B)

1

V

OUT

Sense (–)

12 3 45

.500 (12.7)

.133 (3.4)

.150 (3.8).100 (2.54)

1.101

(527.9)

.590

(15.0)

OR

.100 (2.54)

12 3 45

.500 (12.7)

1.691
(42.9)

.150
(3.8)

.276
(7.0)

.237
(6.0)

.177
(4.5)