NTE7002 View Datasheet(PDF) - NTE Electronics

Part Name

Description

Manufacturer

NTE7002

Integrated Circuit Switched Mode Power Supply Control

NTE Electronics 

Electrical Characteristics (Cont’d): (TA = +25°C unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Protective Operation (Cont’d) (V9 = 15V, TA = +25°C)

External Trigger Input

V5 Enable Voltage, Vreg = 0V – 2.2 2.4

V

Disable Voltage, Vreg = 0V 2.0 2.2 –

Supply Voltage Disabling

V8 amd V1

VPin5 Zener Voltage

V19

V5 Pin5 Open

6.7 7.4 7.8

V

6.5 7.3 7.8

V

IPin5

I5

VPin5 = 3.0V

– 1.4 –

µA

VPin5 = 0V

– –11 –

Turn–On Time (Secondary Voltages)

ton

– 350 450 ms

Voltage Change

∆V2 S3 = Closed, ∆P3 = 19W

– 100 500 mV

S2 = Closed, ∆P2 = 15W

– 500 1000

Stand–By Operation

∆V2 S1 = Open

(Minimum Secondary Power: 3W)

– 20 30

V

Switching Frequency During

f

Stand–By Mode

70 75 – kHz

Primary Power Consumption

During Stand–By Mode

Pprim The Heat Sink Must Be Opti- – 10 15 VA

mized, Taking the Maximum

Data (TJ, RΘJC, TA) into

Consideration

Pin Connection Diagram

(Front View)

9 VCC

8 Source Output

7 Sink Output

6 GND

5 Shut Down

4 Sawtooth Generator

3 Feedback

2 Zero Detection

1 Reference

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