DataSheet26.com

NTE953 PDF даташит

Спецификация NTE953 изготовлена ​​​​«NTE Electronics» и имеет функцию, называемую «Linear Integrated Circuit 4-Terminal Positive Adjustable Voltage Regulator».

Детали детали

Номер произв NTE953
Описание Linear Integrated Circuit 4-Terminal Positive Adjustable Voltage Regulator
Производители NTE Electronics
логотип NTE Electronics логотип 

4 Pages
scroll

No Preview Available !

NTE953 Даташит, Описание, Даташиты
NTE953
Linear Integrated Circuit
4–Terminal Positive Adjustable Voltage Regulator
Description:
The NTE953 4–Terminal adjustable voltage regulator is designed to deliver continuous load currents
of up to 1.0A with a maximum input voltage of +40V. Output current capability can be increased to
greater than 1.0A through the use of one or more external transistors. The output voltage range is
5V to 30V. For systems requiring both a positive and negative, the NTE953 and NTE954 are excellent
for use as a dual tracking regulator with appropriate external circuitry.
Features:
D Output Current in Excess of 1A
D Positive Output 5V to 30V
D Internal Thermal Overload Protection
D Internal Short Circuit Protection
D Output Transistor Safe–Area Protection
D Power Watt Package
Absolute Maximum Ratings:
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Control Pin Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V VOUT
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 150°C
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55°C to +150°C
Lead Temperature (During soldering, 10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +230°C









No Preview Available !

NTE953 Даташит, Описание, Даташиты
Electrical Characteristics: (0°C TJ 125°C, VIN = 10V, IOUT = 500mA, CIN = 0.33µF,
COUT = 0.1µF, unless otherwise specified.)
Parameter
Test Conditions (Note 1, Note 3)
Min Typ Max Unit
Input Voltage Range
Output Voltage Range
Output Voltage Tolerance
Line Regulation
Load Regulation
Control Pin Current
TJ = 25°C
VIN = VOUT +5V
VOUT +3V VIN VOUT +15V, TJ = 25°C
5mA IOUT 1.0A,
PD 15W, VIN (max) = 38V
TJ = 25°C, VOUT 10V,
(VOUT 2.5V) VIN (VOUT +20V)
TJ = 25°C, VOUT 10V,
(VOUT +3V) VIN (VOUT +15V)
(VOUT +3V) VIN (VOUT +7V)
TJ = 25°C,
250mA IOUT 750mA
VIN = VOUT +5V 5mA IOUT 1.5A
TJ = 25°C
7.5
5.0
40
V
30
V
4.0 %(VOUT)
5.0 %(VOUT)
%(VOUT)
1.0
%(VOUT)
0.75
0.67
1.0 %(VOUT)
2.0 %(VOUT)
1.0 5.0
µA
8.0
µA
Quiescent Current
TJ = 25°C
3.2 5.0
– – 6.0
µA
µA
Ripple Rejection
Output Noise Voltage
Dropout Voltage
8V VIN 18V, VOUT = 5V, f = 120Hz
TJ = 25°C, 10Hz f 100kHz,
VOUT = 5V, IOUT = 5mA
Note 2
62 78
dB
8 40 µV/VOUT
– – 2.5
V
Short Circuit Current
Peak Output Current
Average Temperature
Coefficient of
Output Voltage
TJ = 25°C, VIN = 30V
TJ = 25°C
VOUT = 5V,
IOUT = 5mA
TJ = 55°C to +25°C
TJ = +25°C to +150°C
0.75 1.2
A
1.3 2.2 3.3
A
– – 0.4 mV/°C/
VOUT
– – 0.3
Control Pin Voltage
(Reference)
TJ = 25°C
4.8 5.0 5.2
4.75 5.25
V
V
Note 1. VOUT is defined as:
VOUT =
R1 + R2
(5.0)
R2
Note 2. Dropout Voltage is defined as that inputoutput voltage differential which causes the output
voltage to decrease by 5% of its initial value.
Note 3. All characteristics except noise voltage and ripple rejection ratio are measured using pulse
techniques (tW 10ms, duty cycle 5%). Output voltage changes due to changes in internal
temperature must be taken into account separately.









No Preview Available !

NTE953 Даташит, Описание, Даташиты
Design Considerations:
The NTE953 adjustable voltage regulator has an output voltage which varies from VCONTROL to typically
(R1 + R2)
VIN 2V by VOUT = VCONTROL
R2
The nominal reference in the NTE953 is 5.0V. If we allow 1.0mA to flow in the control string to elimi-
nate bias current effects, we can make R2 = 2.2k. The output voltage is then:
VOUT = (R1 + R2)V, where R1 and R2 are in ks.
Example: If R2 = 5kand R1 = 10kthen
VOUT = 15V nominal
By proper wiring of the feedback resistors, load regulation of the device can be improved significantly.
The NTE953 voltage regulator contains thermaloverload protection from excessive power, internal
shortcircuit protection which limits each circuits maximum current, and output transistor safearea
protection for reducing the output current as the voltage across each pass transistor is increased.
Although the internal power dissipation is limited, the junction temperature must be kept below the
maximum specified temperature in order to meet data sheet specifications. To calculate the maxi-
mum junction temperature or heat sink required, the following thermal resistance values should be
used:
Typ
°C/W
Max
°C/W
Typ
°C/W
Max
°C/W
ΘJC
ΘJC
ΘJA
ΘJA
7.5 11 75 80
Solving for TJ:
PD(max) =
TJ(max) TA or TJ(max) TA
ΘJC + ΘCA
ΘJA
(Without a heat sink)
ΘCA = ΘCS + ΘSA
TJ = TA + PD (ΘJC + ΘCA) or
TA + PD ΘJA (Without heat sink)
Where:
TJ =
TA =
PD =
ΘJA =
ΘJC =
ΘCA =
ΘCS =
ΘSA =
Junction Temperature
Ambient Temperature
Power Dissipation
Junction to Ambient Thermal Resistance
Junction to Case Thermal Resistance
Case to Ambient Thermal Resistance
Case to Heat Sink Resistance
Heat Sink to Ambient Thermal Resistance










Скачать PDF:

[ NTE953.PDF Даташит ]

Номер в каталогеОписаниеПроизводители
NTE950Integrated Circuit Positive 3 Terminal Voltage Regulator / 100mANTE Electronics
NTE Electronics
NTE951Integrated Circuit Positive 3 Terminal Voltage Regulator / 100mANTE Electronics
NTE Electronics
NTE952Integrated Circuit Precision 2.5V ShuntNTE Electronics
NTE Electronics
NTE953Linear Integrated Circuit 4-Terminal Positive Adjustable Voltage RegulatorNTE Electronics
NTE Electronics

Номер в каталоге Описание Производители
TL431

100 мА, регулируемый прецизионный шунтирующий регулятор

Unisonic Technologies
Unisonic Technologies
IRF840

8 А, 500 В, N-канальный МОП-транзистор

Vishay
Vishay
LM317

Линейный стабилизатор напряжения, 1,5 А

STMicroelectronics
STMicroelectronics

DataSheet26.com    |    2020    |

  Контакты    |    Поиск