CS8122
Package Lead Description
PACKAGE LEAD #
LEAD SYMBOL
FUNCTION
5Lead TO-220
1
2
3
4
5
V
IN
V
OUT
Gnd
Delay
RESET
Unregulated supply voltage to IC.
Regulated 5V output.
Ground connection.
Timing capacitor for RESET function.
CMOS/TTL compatible output lead. RESET goes low whenev-
er V
OUT
drops below 6% of it's regulated value.
Typical Performance Characteristics
Quiescent Current vs Input Voltage over Temperature
55.0
50.0
45.0
Quiescent Current
(mA)
Quiescent Current vs Input Voltage over Load Resistance
120.0
100.0
Quiescent Current
(mA)
R
load
= 25W
Room Temp.
R
load
= 6.67W
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
V
IN
(V)
25ûC
-40ûC
125ûC
80.0
60.0
40.0
20.0
0.0
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
V
IN
(V)
R
load
= 25W
R
load
= NO LOAD
R
load
= 10W
Output Voltage vs Input Voltage over Temperature
R
load
= 25W
V
OUT
vs. V
IN
over R
LOAD
5.5
5.0
4.5
4.0
3.5
V
OUT
(V)
R
load
= 6.67W
5.5
5.0
4.5
4.0
3.5
V
OUT
(V)
Room Temp.
R
load
=25�½
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3.0
2.5
2.0
1.5
R
load
=
NO LOAD
R
load
= 10W
125ûC
25ûC
-40ûC
1.0
0.5
0.0
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
V
IN
(V)
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
V
IN
(V)
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
