Package Lead Description
LEAD SYMBOL
PACKAGE LEAD #
FUNCTION
5Lead TO-220
1
2
3
4
5
VIN
Unregulated supply voltage to IC.
VOUT
Gnd
Regulated 5V output.
Ground connection.
Timing capacitor for
RESET
Delay
RESET
function.
CMOS/TTL compatible output lead.
er VOUT drops below 6% of it's regulated value.
goes low whenev-
RESET
Typical Performance Characteristics
Quiescent Current vs Input Voltage over Temperature
Quiescent Current vs Input Voltage over Load Resistance
55.0
120.0
Rload = 25W
Room Temp.
50.0
45.0
40.0
35.0
30.0
Rload = 6.67W
100.0
80.0
125ûC
25.0
60.0
Rload = 10W
20.0
40.0
15.0
25ûC
10.0
-40ûC
5.0
20.0
0.0
Rload = 25W
Rload = NO LOAD
0.0
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
VIN (V)
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
VIN (V)
VOUT vs. VIN over RLOAD
Output Voltage vs Input Voltage over Temperature
Rload = 25W
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Room Temp.
5.5
Rload=25½
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
R
= 6.67W
load
125ûC
R
=
load
NO LOAD
25ûC
-40ûC
R
= 10W
load
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
VIN (V)
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
VIN (V)
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
