600mA CMOS Low Power Low
Noise LDO Voltage Regulator
Absolute Maximum Rating
(1)
Parameter
Input Voltage
Output Voltage
Power Dissipation
Output Short Circuit Duration
Thermal Resistance,
Junction-to-Ambient
Lead Temperature (Soldering,
5 sec.)
Junction Temperature
Storage Temperature
T
J
T
S
Θ
JA
Symbol
V
IN
V
OUT
P
D
Value
6
-0.3 to V
IN
Internally
Limited
(3)
Infinite
180
°C/W
Units
V
V
SE5121
260
0 to +150
-40 to +150
°C
°C
°C
Operating Rating
(2)
Parameter
Supply Input Voltage
Junction Temperature
Symbol
V
IN
T
J
Value
5.5
0 to +125
Units
V
°C
Electrical Characteristics
V
IN
= 5V; C
IN
= 2.2μF; C
OUT
= 2.2μF（
Electrolytic
capacitor
）;
I
OUT
= 10mA; T
J
= 25°C; unless otherwise noted
Conditions
Min
1.470
1.764
2.450
2.744
2.940
3.234
3.430
3.528
--
--
Typ
1.5
1.8
2.5
2.8
3.0
3.3
3.5
3.6
0.2
2.0
Max
1.530
1.836
2.550
2.856
3.060
3.366
3.570
3.672
--
--
%/V
%
V
Unit
Symbol
Parameter
SE5121 – 1.5(V
IN
=3.3V)
SE5121 – 1.8(V
IN
=3.3V)
SE5121 – 2.5
V
OUT
Output Voltage
Accuracy
SE5121 – 2.8
SE5121 – 3.0
SE5121 – 3.3
SE5121 – 3.5
SE5121 – 3.6
ΔV
OUT
ΔV
OUT
Line Regulation
Load Regulation
(5)
Output Voltage
ΔV
OUT
/ΔT
Temperature
Coefficient
Note 4
V
IN
= (V
OUT
+ 0.8)V to 5.5V
V
IN
= (V
OUT
+ 0.8)V to 2.5V
I
OUT
= 10mA to 600mA
--
0.1
--
mV/°C
Revision 12/4/2008
Preliminary and all contents are subject to change without prior notice
© Seaward Electronics Inc., 2005. • www.seawardinc.com.cn • Page 2
SEAWARD [ Seaward Electronics Inc. ]
