NTE NTE1934X Datasheet
NTE1934X
Integrated Circuit
Positive Voltage Regulator,
5V, 2A
Features:
D 3 Pin Plastic Package TO3P
D Only Output Capacitor is Externally Required
D Precise Setting Voltage of ±2%
D Wide Input Voltage Range
D Built–in Current Foldback Protection
D Ideal Combination of Passivated Power Transistor and High Reliability Flip–Chip Circuit
Absolute Maximum Ratings:
DC Input Voltage, V
Power Dissipation, P
IN
C(TC
(TA = +25°C unless otherwise specified)
=+ 25°C) 50W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(No Fin) 1.6W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction–to–Case, R
Junction Temperature Range, T
J
Operating Ambient Temperature Range, T
Storage Temperature Range, T
Electrical Characteristics:
Parameter
DC Input Voltage V
Output Voltage V
Output Current I
Line Regulation ∆V
Load Regulation ∆V
Temperature Coefficient K
stg
(TA = +25°C unless otherwise specified)
Symbol Test Conditions Min Typ Max Unit
IN
O
O
LINE
LOADVIN
t
thJC
op
IO = 2A 6 – 15 V
VIN = 8V, IO = 1A 4.9 5.0 5.1 V
VIN = 6V to 15V, IO = 1A – 10 30 mV
= 8V, IO = 0 to 2A – 40 100 mV
Ripple Rejection RR f = 100Hz to 120H
Foldback Current I
S1
VIN = 8V 2.4 – – A
25V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–30° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–20° to +100°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–30° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0 – 2 A
– ±0.5 – mV/°C
Z
– 54 – dB
External Circuit
D
1
V
IN
DC Input
32
+
C
IN
–
3
Note 1. CO: Output capacitor (47 to 100µF, 50V)
Note 2. C
: Capacitor for oscillation protection (approx. 0.33µF), if needed.
IN
Note 3. Diode for reverse bias protection (NTE552) if needed.
+
–
V
O
DC Output
C
O
.787
(20.0)
.591
(15.02)
.787
(20.0)
.615 (15.62).190 (4.82)
V
GND V
O
.126 (3.22)
Dia
O
V
IN
.215 (5.47)
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