NTE7152
Integrated Circuit
Hybrid Switching Voltage Regulator
Features:
D
BuiltIn Power Transistor NPN Triple Diffused Planar
D
OnLine SMPS for Color TV
D
Output Voltage is PreFixed No External Adjustment is Required
Absolute Maximum Ratings:
Peak Input Voltage, V
IN
900V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Current, I
IN
6A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (T
C
= +100
C), P
D
27W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Power Transistor Junction Temperature, T
J
+150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range (T
C
), T
opr
20
to +125
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
30
to +125
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (Note 1)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Output Voltage
V
O
V
IN
= 220V, I
O
= 500mA
101.5
103.0
104.5
V
Detecting Voltage (Fixed Output)
V
O
I
IN
= 6mA
102.4
103.4
104.4
V
Load Regulation
Reg
LOAD
V
IN
= 180V to 280V
Initial Value
1
V
V
IN
= 220V, I
O
= 300mA to 500mA
Initial Value
1
V
Output Ripple
V
IN
= 180V, I
O
= 500mA, Note 2
(
D
V
IN
/
D
V
O
) x 100
1% Typ.
Output Voltage Temperature
Coefficient
T
C
= 20
to +100
C, I
IN
= 6mA
4
mV/
C
Saturation Voltage
V
CE(sat)
I
C
= 2A, I
B
= 400mA
1.0
V
V
BE(sat)
I
C
= 2A, I
B
= 400mA
1.5
V
DC Current Gain
h
FE
I
C
= 1A, V
CE
= 4V
10
30
Collector Cutoff Current
I
CEX
V
CE
= 900V, V
BE
= 1.5V
1.0
mA
Emitter Cutoff Current
I
EBO
V
BE
= 5.5V
1.0
mA
Power Transistor Thermal
Resistance
R
thJC
Between Junction and Stem
Upper Surface
1.8
C/W
Switching Time
t
s
V
CE
= 250V, I
C
= 1A, I
B1
= 150mA,
7
s
t
f
I
B2
= 500mA
1
s
Note 1. Recommended Case Temperature: T
opr
= +100
C.
Note 2.
D
V
IN
: Input Ripple Voltage
D
V
O
: Output Ripple Voltage
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