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鈥揅ontrolled Electronic Shutdown
D
Internal Current and Thermal Limit
Absolute Maximum Ratings:
Input Voltage, V
I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?.5 to 40V
Output Current, I
O
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Power Dissipation, P
tot
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Operating Junction Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +125擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +150擄C
Thermal Resistance, Junction鈥搕o鈥揅ase, R
thJC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3擄C/W
Thermal Resistance, Junction鈥搕o鈥揂mbient, R
thJA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50擄C/W
Electrical Characteristics:
(T
J
= +25擄C, C
i
= 0.1碌F, C
o
= 2.2碌F, unless otherwise specified)
Parameter
Output Voltage
Symbol
V
O
V
i
I
out
Reg
line
Reg
load
I
d
V
i
= 4.3V to 16V, I
O
= 5 mA
V
i
= 4.6V, I
O
= 5mA to 500mA
V
i
= 4.3V to 16V, I
O
= 0mA
V
i
= 4.6V to 16V, I
O
= 500mA
OFF Mode
V
i
= 6V
Test Conditions
I
O
= 50mA, V
i
= 5.3V
鈥?5擄 < T
A
< +85擄C
Operating Input Voltage
Output Current Limit
Line Regulation
Load Regulation
Quiescent Current
ON Mode
I
O
= 500mA
Min
3.234
3.168
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Typ
3.3
鈥?/div>
鈥?/div>
1
2
2
0.5
鈥?/div>
50
Max
3.366
3.432
16
鈥?/div>
12
10
1.0
12
100
Unit
V
V
V
A
mV
mV
mA
mA
碌A(chǔ)
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