NTE1979
Integrated Circuit
Negative 3 Terminal Voltage Regulator,
鈥?V, 100mA
Description:
The NTE1979 is a 3鈥搕erminal fixed negative output voltage regulatgor in a TO92 type package
designed for use in power circuits with current capacity up to 100mA. Stabilized fixed output voltage
is obtained from unstable DC input voltage without the use of external components.
Features:
D
No External Components
D
Output Current in Excess of 100mA
D
Built鈥揑n Short鈥揅ircuit Current Limiting
D
Built鈥揑n Thermal Overload Protection
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Input Voltage, V
I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5V
Power Dissipation (Note 1), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650mW
Operating Ambient Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +80擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Note 1. When T
J
exceeds +150擄C, the internal circuit cuts off the output.
Electrical Characteristics:
(T
A
= +25擄C, V
I
= 鈥?4V, I
O
= 40mA, C
i
= 2碌F, C
o
= 1碌F unless
otherwise specified)
Parameter
Output Voltage
Output Voltage Tolerance
Line Regulation
Symbol
V
O
V
O
REG
IN
REG
L
T
J
= +25擄C
V
I
= 鈥?1V to 鈥?3V, I
O
= 1mA to 70mA,
T
J
= 0擄 to +125擄C
V
I
= 鈥?0V to 鈥?4V, T
J
= +25擄C
V
I
= 鈥?1V to 鈥?1V, T
J
= +25擄C
Load Regulation
I
O
= 1mA to 100mA, T
J
= +25擄C
I
O
= 1mA to 40mA, T
J
= +25擄C
Test Conditions
Min
鈥?.68
鈥?.6
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Typ
鈥?.0
鈥?/div>
鈥?/div>
鈥?/div>
15
7
Max
鈥?.32
鈥?.4
160
80
80
40
Unit
V
V
mV
mV
mV
mA
Note 2. The specified condition T
J
= +25擄C means that the test should be carried out with the test
time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction
temperature can be ignored.
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