NTE NTE1904

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 applications 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, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 to 40V
Output Current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Power Dissipation, Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Operating Junction Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3°C/W
Thermal Resistance, Junction–to–Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50°C/W
Electrical Characteristics: (TJ = +25°C, Ci = 0.1µF, Co = 2.2µF, unless otherwise specified)
Parameter
Output Voltage
Symbol
VO
Test Conditions
IO = 50mA, Vi = 5.3V
–25° < TA < +85°C
Operating Input Voltage
Vi
Output Current Limit
Iout
IO = 500mA
Min
Typ
Max
Unit
3.234
3.3
3.366
V
3.168
–
3.432
V
–
–
16
V
–
1
–
A
Line Regulation
Regline
Vi = 4.3V to 16V, IO = 5 mA
–
2
12
mV
Load Regulation
Regload
Vi = 4.6V, IO = 5mA to 500mA
–
2
10
mV
Vi = 4.3V to 16V, IO = 0mA
–
0.5
1.0
mA
Vi = 4.6V to 16V, IO = 500mA
–
–
12
mA
Vi = 6V
–
50
100
µA
Quiescent Current
ON Mode
OFF Mode
Id
Electrical Characteristics (Cont’d): (TJ = +25°C, Ci = 0.1µF, Co = 2.2µF, unless otherwise specified)
Parameter
Symbol
Supply Voltage Rejection
SVR
Test Conditions
IO = 5mA, Vi = 5.3V ±1V
Min
Typ
Max
Unit
f = 120Hz
–
80
–
dB
f = 1kHz
–
75
–
dB
f = 10kHz
–
60
–
dB
Output Noise Voltage
eN
B = 10Hz to 100kHz
–
50
–
µV
Dropout Voltage
Vd
IO = 200mA
–
0.2
0.35
V
IO = 500mA
–
0.4
0.7
V
–40° < TA < +125°C
–
–
0.8
V
2
–
–
V
Vi = 6V, Vc = 6V
–
10
–
µA
ESR = 0.1Ω to 10Ω, IO = 0 to 500mA
2
10
–
µF
Control Input Logic, Low
Vil
Control Input Logic, High
Vih
Control Input Current
Ii
Output Bypass Capacitance
CO
.420 (10.67)
Max
.110 (2.79)
GND
.147 (3.75)
Dia Max
.500
(12.7)
Max
.250 (6.35)
Max
.500
(12.7)
Min
.070 (1.78) Max
VIN
VOUT
.100 (2.54)
GND