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
Supply Voltage (V
Output Current, I
Input Voltage (1), V
Power Dissipation, P
), V
6
CC
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
d
: (TA = +25°C unless otherwise specified)
2 ∼ V
625mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25°C 5mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
Storage Temperature Range, T
Electrical Characteristics
Parameter Symbol Test Conditions Min Typ Max Unit
Supply Current I
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
: (V6 = 24V, TA = +25°C unless otherwise specified)
stg
opr
SW1: 3, SW2: 1, SW3: 2 1.5 2.9 2.0 mA
O
–20° to +65°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
250A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
z
30V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+ V
f
Q4 ON Current I5 (on) SW1: 2, SW2: 1, SW3: 1 – 50 – µA
#3 Voltage ∆
SW1: 3, SW2: 2, SW3: 2 28.5 23.6 23.3 V
3
SW1: 2, SW2: 2, SW3: 2 4.5 6.0 5.3 V
Pin Connection Diagram
(Front View)
7
Gate Drive
6
V
5
Horizontal Phase Component
GND
4
Current Source
3
2
N.C.
1
Error Input
CC
.760 (19.3) Max .118 (3.0) Max
.264 (6.72)
Max
17
.177 (4.5)
Min
.100 (2.54) Typ
.600 (15.24)