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PDF ZMR Data sheet ( Hoja de datos )

Número de pieza ZMR
Descripción FIXED 2.5 AND 5 VOLT MINIATURE VOLTAGE REGULATORS
Fabricantes Zetex Semiconductors 
Logotipo Zetex Semiconductors Logotipo



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FIXED 2.5 AND 5 VOLT
MINIATURE VOLTAGE REGULATORS
ISSUE 4 - MARCH 2002
ZMR SERIES
DEVICE DESCRIPTION
The ZMR series of three terminal fixed
positive voltage regulators feature internal
current limit and will shut down under
thermal overload conditions making the
devices difficult to destroy.
The circuit design offers an exceptionally
low quiescent current, only 30µA for the 2.5
volt device, ideal for low power applications.
The initial devices in the series regulate to
2.5 or 5 volts with a drive capability up to
50mA, however, the flexible design will
allow other voltage selections to be made.
The device is designed with space saving in
mind and is available in the small outline
SOT23 package. The device is also available
in through hole TO92 package.
FEATURES
Small outline SOT23 package
TO92 package
2.5V and 5V output
22.5V maximum input voltage
(ZMR25H)
25V maximum input voltage (ZMR50H)
Output current up to 50mA
Very low Quiesent current (30µA)
Unconditionally stable
Other output voltages possible
Internal short circuit current limit
VOLTAGE RANGE
ZMR250 2.5V
ZMR500 5.0V
ZMR25H 2.5V
ZMR50H 5.0V
SCHEMATIC DIAGRAM
Vin
Vout
4-104
Gnd

1 page




ZMR pdf
ZMR SERIES
ZMR500
ELECTRICAL CHARACTERISTICS
TEST CONDITIONS (Unless otherwise stated):Tj=25°C, IO=10mA, Vin=10V
SYMBOL PARAMETER
CONDITIONS MIN. TYP. MAX. UNITS
VO Output Voltage
4.875 5
5.125 V
IO=0 to 50mA 4.780
Tj=-55 to 125°C
5.160 V
Vin=7 to 20V
IO=0 to 50mA
Tj=-55 to 125°C
4.780
VO Line Regulation
Vin=7 to 20V
5
VO Load Regulation
IO=0 to 50mA
IO=0 to 10mA
25
15
ls Supply Current
Tj=-55 to 125°C
50
ls Supply Current Change IO=0 to 50mA
Vin=7 to 20V
1
2
5.175 V
15 mV
40 mV
mV
70 µA
±10 µA
10 µA
Vn Output Noise Voltage
Vin /VO Ripple Rejection
f=10Hz to 10KHz
Vin=8 to 18V
f=120Hz
55
90
72
µV rms
dB
Vin Input Voltage Required
To Maintain Regulation
7 6.7
V
VO /T Average Temperature
Coefficient of VO
IO=5.0mA
Tj=-55 to 125°C
0.275 0.700 mV/°C
4-108

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