User guide

ZSR SERIES
Issue 9 - October 2007 16 www.zetex.com
© Zetex Semiconductors plc 2007
OBS
O
LETE
OBSOLETE
ZSR485 test conditions (Unless otherwise stated):T
j
=25°C, I
O
=100mA, V
in
=8.85V
ZSR520 test conditions (Unless otherwise stated):T
j
=25°C, I
O
=100mA, V
in
=100mV
( )T
j
=-55 to 125°C
V
O
Output Voltage 4.792 4.85 4.971 V
I
O
=1 to 200mA
()
4.656 5.044 V
V
in
=6.8 to 20V
I
O
=1 to 100mA
()
4.656 5.044 V
V
O
Line regulation V
in
=6.85 to 20V 10 40 mV
V
O
Load regulation I
O
=1 to 200mA 5 25 mV
I
O
=1 to 100mA 2 mV
I
g
Quiescent current
()
350 600 A
I
g
Quiescent current change I
O
=1 to 200mA 100 A
V
in
=6.85 to 20V 100 A
V
n
Output noise voltage f=10Hz to 10Hz 50 V rms
V
in
/V
O
Ripple rejection V
in
=7.85 to 18V 50 64 dB
f=120Hz
V
in
Input voltage required to
maintain regulation
6.85 6.55 V
V
O
/ T Average temperature
coefficient of V
O
I
O
=5.0mA
()
0.1 mV/°C
V
O
Output Voltage 5.070 5.2 5.330 V
I
O
=1 to 200mA
()
4.99 5.41 V
V
in
=7.2 to 20V
I
O
=1 to 100mA
()
4.99 5.41 V
V
O
Line regulation V
in
=7.2 to 20V 10 40 mV
V
O
Load regulation I
O
=1 to 200mA 5 25 mV
I
O
=1 to 100mA 2 mV
I
g
Quiescent current
()
350 600 A
I
g
Quiescent current change I
O
=1 to 200mA 100 A
V
in
=7.2 to 20V 100 A
V
n
Output noise voltage f=10Hz to 10Hz 75 V rms
V
in
/V
O
Ripple rejection V
in
=8.2 to 18V 48 62 dB
f=120Hz
V
in
Input voltage required to
maintain regulation
7.2 6.9 V
V
O
/ T Average temperature
coefficient of V
O
I
O
=5.0mA
()
0.1 mV/°C