
ABSOLUTE MAXIMUM RATINGS
Input voltage(ZMR25H)
(ZMR50H)
22.5V
25V
ZMR250 20V
ZMR500 20V
Package power dissipation
(T
amb
=25 °C)
SOT23 500mW (Note 3) SOT89 1.5W (Note 3)
TO92 600mW
Output current (I
O
)
100mA
Operating temperature
Storage temperature
Note:
1. The maximum operating input voltage and output current of the device will be governed by the maximum
power dissipation of the selected package. Maximum package power dissipation is specified at 25 °C and
must be linearly derated to zero at T
amb
=125°C.
-55 to 125°C
-65 to 150°C
2. The following data represents pulse test conditions with junction temperatures as indicated at the initiation
of the test. Continuous operation of the devices with the stated conditions might exceed the power dissipation
limits of the chosen package.
3. Maximum power dissipation, for the SOT23 and SOT89 packages, is calculated assuming that the device
is mounted on a ceramic substrate measuring 15 x 15 x 0.6mm.
ZMR25H
ELECTRICAL CHARACTERISTICS
TEST CONDITIONS (Unless otherwise stated):T
j
=25°C, I
O
=10mA, V
in
=6.5V
SYMBOL PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNITS
V
O
Output Voltage
2.438
2.5
2.563
V
I
O
=0 to 50mA
T
j
=-55 to 125°C
2.360
2.640
V
V
in
=4.5 to 22.5V
I
O
=0 to 50mA
T
j
=-55 to 125°C
2.360
2.640
V
V
O
V
O
Line Regulation
V
in
=4.5 to 22.5V
I
O
=0 to 50mA
I
O
=0 to 10mA
5
15
mV
Load Regulation
20
12
30
mV
mV
l
s
Supply Current
T
j
=-55 to 125°C
30
40
μ
A
l
s
Supply Current Change
I
O
=0 to 50mA
V
in
=4.5 to 22.5V
1
2
±
10
10
μ
A
μ
A
V
n
Output Noise Voltage
f=10Hz to 10KHz
65
μ
V rms
V
in
/
V
O
Ripple Rejection
V
in
=6.3 to 18V
f=120Hz
55
75
dB
V
in
Input Voltage Required
To Maintain Regulation
4.2
3.9
V
V
O
/
T
Average Temperature
Coefficient of V
O
I
O
=5.0mA
T
j
=-55 to 125°C
0.275
0.700
mV/°C
ZMR SERIES
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