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PDF SPX2930 Data sheet ( Hoja de datos )
| Número de pieza | SPX2930 | |
| Descripción | 150 mA Low Dropout Voltage Regulator | |
| Fabricantes | Sipex Corporation | |
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® SPX2930
150mA Low Dropout Voltage Regulator
FEATURES
■ 3.3V and 3.5V Versions
■ Output Current in Excess of 150 mA
■ Input-Output Differential is 3.0V at
150mA
■ Mirror-Image Insertion Protection
■ Internal Thermal Protection
■ Available in TO-92, TO-220 and SOT-89
Packages
■ Improved Version of the Industry Standard
LM2930
■ Reverse Battery, Internal Short Circuit,
Reverse Transient and 40V Load
Dump Protection
■ 3% Output Accurancy at 25°C
TO-92 (N)
SOT-89 (M1)
TO-220 (U)
12 3
VOUT
V IN
GND
Bottom View
1 23
VIN GND VOUT
Top View
1 23
VIN GND VOUT
Front View
Now Available in Lead Free Packaging
APPLICATIONS
■ Portable Instrumentation
■ Cordless Telephones
■ Radio Control Systemss
■ Portable Consumer Devices
■ Toys
■ Radio Controlled Systems
DESCRIPTION
The SPX2930 is a low power, positive voltage regulator. This device is an excellent choice for
use in battery-powered applications such as cordless telephones, radio control systems, and
portable computers. The SPX2930 features offers very low quiescent currents (0.4 mA), and very
low drop output voltage (50 mV at light load and 300 mV at 150 mA). The SPX2930 is offered
in a 3-pin TO-92, TO-220 and SOT-89 package.
BLOCK DIAGRAM
VIN
1µF C 1
SPX2930
Gnd
VOUT
100µF,
ESR 0.05 to 0.6
ohms
Date: 05/25/04
SPX2930 150mA Low Dropout Voltage Regulator
1
© Copyright 2002 Sipex Corporation
1 page  
output capacitor can be reduced by the factor of
two over the value needed for the entire tem-
perature range.
In most applications the SPX2930 is operating
at few milliamps. In these applications the out-
put capacitance can be further reduced. For
example, when the regulator is running at 10mA
output current the output capacitance value is
half compared to the same regulator that is
running at 100mA. The value decreases with
higher output voltages, since the internal loop
gain is reduced.
The worst case occurs at the lower temperature
and maximum operating currents, the entire
circuit and the electrolytic, should be cooled
down to the minimum temperature. The mini-
mum of 0.6 volts required at the input of regula-
tor above the output to keep the power dissipa-
tion and die heating to its minimum. After the
value for the capacitor has been determined for
actual use, the value should be doubled.
Date: 05/25/04
SPX2930 150mA Low Dropout Voltage Regulator
5
© Copyright 2002 Sipex Corporation
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet SPX2930.PDF ] | |
Hoja de datos destacado
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