Package Lead Description
LEAD SYMBOL
PACKAGE LEAD #
FUNCTION
5 Lead TO-220
8126-1 8126-2
7Lead
16 Lead
SOIC Wide
D2PAK
1
2
3
4
5
1
5
3
4
2
1
2
4
5
6
1
16
11
8
VIN
Unregulated supply voltage to IC.
Regulated 5V output.
VOUT
Gnd
Ground connection.
Delay
RESET
Timing capacitor for RESET function.
6
CMOS/TTL compatible output lead. RESET goes low
after detection of any error in the regulated output or
during power up.
3
7
14
VOUT(SENSE)
NC
Remote sensing of output voltage.
No Connection.
2, 3, 4, 5, 7, 9,
10, 12, 13, 15
Typical Performance Characteristics
ICQ vs. VIN over RLOAD
ICQ vs. VIN over Temperature
Room Temp.
RLOAD= 25W
120.0
110.0
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
Rload = 6.67
25ûC
125ûC
Rload = 10
-40ûC
Rload = 25
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
VOUT vs VIN over Temperature
Room Temp.
RLOAD = 25W
5.5
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Rload = 6.67
125ûC
25ûC
Rload =
NO LOAD
-40ûC
Rload = 10
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 ]
