NTE NTE1904 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 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, V
Output Current, I
Power Dissipation, P
Operating Junction Temperature Range, T
Storage Temperature Range, T
Thermal Resistance, Junction–to–Case, R
I
O
tot
opr
stg
thJC
Thermal Resistance, Junction–to–Ambient, R
thJA
–0.5 to 40V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Internally Limited. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Internally Limited. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–40° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TJ = +25°C, Ci = 0.1µF, Co = 2.2µF, unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Output Voltage V
Operating Input Voltage V
Output Current Limit I
Line Regulation Reg
Load Regulation Reg
Quiescent Current
ON Mode I
OFF Mode Vi = 6V – 50 100 µA
out
IO = 50mA, Vi = 5.3V 3.234 3.3 3.366 V
O
–25° < TA < +85°C 3.168 – 3.432 V
IO = 500mA – – 16 V
i
– 1 – A
lineVi
loadVi
d
= 4.3V to 16V, IO = 5 mA – 2 12 mV
= 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
Electrical Characteristics (Cont’d): (TJ = +25°C, Ci = 0.1µF, Co = 2.2µF, unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Supply Voltage Rejection SVR IO = 5mA, Vi = 5.3V ±1V f = 120Hz – 80 – dB
f = 1kHz – 75 – dB
f = 10kHz – 60 – dB
Output Noise Voltage e
Dropout Voltage V
Control Input Logic, Low V
Control Input Logic, High V
Control Input Current I
Output Bypass Capacitance C
.147 (3.75)
Dia Max
B = 10Hz to 100kHz – 50 – µV
N
IO = 200mA – 0.2 0.35 V
d
IO = 500mA – 0.4 0.7 V
–40° < TA < +125°C – – 0.8 V
il
ih
Vi = 6V, Vc = 6V – 10 – µA
i
ESR = 0.1Ω to 10Ω, IO = 0 to 500mA 2 10 – µF
O
2 – – V
.420 (10.67)
Max
.110 (2.79)
GND
.500
(12.7)
Max
.070 (1.78) Max
V
IN
.100 (2.54)
.250 (6.35)
Max
(12.7)
V
OUT
GND
.500
Min
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