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PDF PJ78L00 Data sheet ( Hoja de datos )
| Número de pieza | PJ78L00 | |
| Descripción | 3-Terminal Low Current Positive Voltage Regulators | |
| Fabricantes | ETC | |
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PJ78L00
3-Terminal Low Current Positive Voltage Regulators
The PJ78L00 Series of positive voltage Regulators are
inexpensive, easy-to-use devices suitable for a multitude
of applications that require a regulated supply of up to 100
mA. Like their higher powered PJ7800 Series cousins, these
regulators feature internal current limiting and thermal
shutdown making them remarkably rugged. No external
components are required with the PJ78L00 devices in many
applications.
These devices offer a substantial performance advantage
over the traditional zener diode-resistor combination, as
output impedance and quiescent current are substantially
reduced.
FEATURES
z Wide Range of Available, Fixed Output Voltages
z Low Cost
z Internal Short Circuit Current Limiting
z Internal Thermal Overload Protection
z No External Components Required
z Complementary Negative Regulators Offered (PJ79L00
Series)
z Available in ±4% Voltage Tolerance.
CIRCUIT SCHEMATIC
TO-92
SOT-89
Pin 1. Output
2. Ground
3. Input
PJ78L00
PJ78L00A
Pin 1. Input
2. Ground
3. Output
1. Output
2. Ground
3. Input
(Heatsink surface connected to Pin 2)
SOP-8
Pin: 1.Vout
2.Gnd
3.Gnd
4.Nc
5.Nc
6.Gnd
7.Gnd
8.Vin
ORDERING INFORMATION
Device
PJ78LxxCT
PJ78LxxCS
PJ78LxxCY
PJ78LxxACY
Operating Temperature
-20℃ to +85℃
TYPICAL CONNECTING CIRCUIT
Package
TO-92
SOP-8
SOT-89
REPRESENTATIVE CIRCUIT SCHEMATIC
STANDARD APPLICATION
A common ground is required between the input and the
output voltages. The input voltage must remain typical
2.0V above the output voltage even during the low point
on the input ripple voltage.
*=Cin is required if regulator is located an appreciable
distance from from power supply filter.
**=Co is not needed for stability, however, it does
improve transient response.
1-8 2002/07.rev.A
1 page  
PJ78L00
3-Terminal Low Current Positive Voltage Regulators
• PJ78L18 ELECTRICAL CHARACTERISTICS
(VI =27V, Io=40mA, CI =0.33µF, Co=0.1µF, 0°C < TJ <+125°C unless otherwise noted.)
CHARACTERISTIC
SYMBOL
MIN
TYP
Output Voltage (TJ =+25°C)
Line Regulation(TJ =+25°C, Io=40mA)
20.7V≤ VI ≤33V
21V≤ VI ≤33V
Vo
REGline
17.3
--
--
18
45
35
Load Regulation
TJ =+25°C, 1.0mA≤Io≤100mA
TJ =+25°C, 1.0mA≤Io≤40mA
REGload
--
--
30
15
Output Voltage
21.5V≤ VI ≤33V, 1.0mA≤Io≤40mA
Vo 17.1
--
Vi=27V, 1.0mA≤Io≤70mA
17.1 --
Input Bias Current
(TJ =+25°C)
(TJ =+125°C)
IIB -- 3.1
-- --
Input Bias Current Change
22V≤ VI ≤33V
1.0mA≤Io≤40mA
∆IIB --
--
--
--
Output Noise Voltage
(Ta=+25°C, 10Hz≤f≤100KHz)
Vn -- 150
Ripple Rejection
(Io=40mA, f=120Hz, 23V≤ VI ≤33V, TJ =+25°C)
RR 31
45
Dropout Voltage (TJ =+25°C)
Vi-Vo
--
1.7
• PJ78L24 ELECTRICAL CHARACTERISTICS
(VI =33V, Io=40mA, CI =0.33µF, Co=0.1µF, 0°C < TJ <+125°C unless otherwise noted.)
CHARACTERISTIC
Output Voltage (TJ =+25°C)
Line Regulation(TJ =+25°C, Io=40mA)
27.5V≤ VI ≤38V
28V≤ VI ≤80V
Load Regulation
TJ =+25°C, 1.0mA≤Io≤100mA
TJ =+25°C, 1.0mA≤Io≤40mA
Output Voltage
28V≤ VI ≤38V, 1.0mA≤Io≤40mA
28V≤ VI ≤33V, 1.0mA≤Io≤70mA
Input Bias Current
(TJ =+25°C)
(TJ =+125°C)
Input Bias Current Change
28V≤ VI ≤38V
1.0mA≤Io≤40mA
Output Noise Voltage
(Ta=+25°C, 10Hz≤f≤100KHz)
Ripple Rejection
(Io=40mA, f=120Hz, 29V≤ VI ≤35V, TJ =+25°C)
Dropout Voltage (TJ =+25°C)
SYMBOL
Vo
REGline
REGload
Vo
IIB
∆IIB
Vn
RR
Vi-Vo
MIN
23
--
--
--
--
22.8
22.8
--
--
--
--
--
31
--
TYP
24
50
60
40
20
--
--
3.1
--
--
--
200
45
1.7
MAX
18.7
325
275
170
85
18.9
18.9
6.5
6.0
1.5
0.1
--
--
--
MAX
24
350
300
200
100
25.2
25.2
6.5
6.0
1.5
0.1
--
--
--
UNIT
Vdc
mV
mV
Vdc
mA
mA
µV
dB
Vdc
UNIT
Vdc
mV
mV
Vdc
mA
mA
µV
dB
Vdc
5-8 2002/07.rev.A
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet PJ78L00.PDF ] | |
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