Datasheet

NTE1904
Integrated Circuit
Positive 3 Terminal Voltage Regulator,
Low Dropout Voltage, 3.3V, 1A
Description:
The NTE1904 is a positive voltage regulator in a TO220 type package and features very low dropout
voltage and very low quiescent current making it particularly suitable for low noise, low power applica-
tions and specifically in battery powered systems.
Features:
D Very Low Dropout Voltage: 0.45V
D Very Low Quiescent Current
D Logic–Controlled Electronic Shutdown
D Internal Current and Thermal Limit
Absolute Maximum Ratings:
Input Voltage, V
I
–0.5 to 40V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Current, I
O
Internally Limited. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
tot
Internally Limited. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Junction Temperature Range, T
opr
–40° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction–to–Case, R
thJC
3°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction–to–Ambient, R
thJA
50°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (T
J
= +25°C, C
i
= 0.1µF, C
o
= 2.2µF, unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Output Voltage V
O
I
O
= 50mA, V
i
= 5.3V 3.234 3.3 3.366 V
–25° < T
A
< +85°C 3.168 – 3.432 V
Operating Input Voltage V
i
I
O
= 500mA – – 16 V
Output Current Limit I
out
– 1 – A
Line Regulation Reg
line
V
i
= 4.3V to 16V, I
O
= 5 mA – 2 12 mV
Load Regulation Reg
load
V
i
= 4.6V, I
O
= 5mA to 500mA – 2 10 mV
Quiescent Current
ON Mode I
d
V
i
= 4.3V to 16V, I
O
= 0mA – 0.5 1.0 mA
V
i
= 4.6V to 16V, I
O
= 500mA – – 12 mA
OFF Mode V
i
= 6V – 50 100 µA