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NTE7159

Integrated Circuit Switch Mode Power Supply Controller

NTE Electronics 

NTE7159

Integrated Circuit

Switch Mode Power Supply Controller

Description:

The NTE7159 is a monolithic integrated circuit in a 16–Lead DIP type package designed for use as

the primary part of an off–line switching mode power supply. All functions required for SMPS control

under normal operating, transient or abnormal conditions are provided.

The capability of working according to the “master–slave” concept, or according to the “primary regulation”

mode makes the NTE7159 very flexible and easy to use. This is particularly true for TV receivers where

the IC provides an attractive and low cost solution (no need of stand–by auxiliary power supply).

Features:

D Positive and Negative Current Up To 1.2A and –2A

D Low Start–Up Current

D Direct Drive of the Power Transistor

D Two Levels Transistor Current Limitation

D Double Pulse Suppression

D Soft–Starting

D Under and Overvoltage Lock–Out

D Automatic Stand–By Mode Recognition

D Large Power Range Capability in Stand–By (Burst Mode)

D Internal PWM Signal Generator

Absolute Maximum Ratings:

Power Supply (V16–V4, V5, V12, V13), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V

Output Stage Power Supply (V15–V4, V5, V12, V13), V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V

Output Current, IOUT

Positive (Source Current) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A

Negative (Sink Current) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5A

Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C

StorageTemperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C

Thermal Resistance, Junction–to–Case (Note 1), RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11°C/W

Thermal Resistance, Junction–to–Ambient (Note 1), RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . 45°C/W

Note 1. Soldered on a 35µm, 40cm2 board copper area.

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