NTE NTE1751

NTE1751
Integrated Circuit
TV SCR Driver
Features:
D SCR Driver for TV Switching Mode Power Supply
D High Stable Inner Reference Diode
D High Output Current Capability
D Simple Configuration of Power Supply
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage (V6), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V
Output Current, I7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250A
Input Voltage (1), V1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ∼ Vz + Vf
Power Dissipation, Pd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW
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
Min
Typ
Max
Unit
SW1: 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
SW1: 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
Supply Current
#3 Voltage
Symbol
IO
Test Conditions
Pin Connection Diagram
(Front View)
7 Gate Drive
6 VCC
5 Horizontal Phase Component
4 GND
3 Current Source
2 N.C.
1 Error Input
.760 (19.3) Max
1
.118 (3.0) Max
7
.264 (6.72)
Max
.177 (4.5)
Min
.100 (2.54) Typ
.600 (15.24)