NTE1751 - NTE ELECTRONICS - Datasheet.Directory

NTE1751

Integrated Circuit

TV SCR Driver

Features:

DSCR Driver for TV Switching Mode Power Supply

DHigh Stable Inner Reference Diode

DHigh Output Current Capability

DSimple Configuration of Power Supply

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

Supply Voltage (V6), VCC 30V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output Current, I7250A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input Voltage (1), V12 ∼ Vz + Vf

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Dissipation, Pd625mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Derate Above 25°C 5mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Temperature Range, Topr –20° to +65°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage Temperature Range, Tstg –55° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Characteristics: (V6 = 24V, TA = +25°C unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Supply Current IOSW1: 3, SW2: 1, SW3: 2 1.5 2.9 2.0 mA

Q5 ON Voltage ∆1 (on) SW1: 1, SW2: 1, SW3: 2 6.0 7.0 6.5 V

Q4 ON Voltage ∆5 (on) SW1: 2, SW2: 1, SW3: 2 6.4 8.0 7.2 V

Q1 ON Voltage ∆7 Leak SW1: 2, SW2: 1, SW3: 1 20.3 22.3 21.3 V

Q1 OFF Current I7 Leak SW1: 3, SW2: 1, SW3: 3 – 3 – µA

Q5 ON Current I1 (on) SW1: 2, SW2: 2, SW3: 2 – 30 – µA

Q4 ON Current I5 (on) SW1: 2, SW2: 1, SW3: 1 – 50 – µA

#3 Voltage ∆3SW1: 3, SW2: 2, SW3: 2 28.5 23.6 23.3 V

SW1: 2, SW2: 2, SW3: 2 4.5 6.0 5.3 V