Package Lead Description
LEAD SYMBOL
PACKAGE LEAD #
FUNCTION
5 Lead 8 Lead 14 Lead SO 5 Lead D2
TO-220 PDIP
Narrow
PAK
1
2
2
4
1
5
1
2
VIN
Supply voltage to IC, usually direct from the battery.
CMOS compatible logical input. VOUT is disabled i.e.
ENABLE
placed in a high impedance state when
is high.
ENABLE
3
4
8
6
13
10
3
4
Gnd
Ground connection.
RESET
CMOS compatible output lead. RESET goes low when-
ever VOUT falls out of regulation. The
externally programmed.
delay is
RESET
5
1
7
14
12
5
VOUT
Regulated output voltage, 5V (typ).
N/A
SENSE
Kelvin Connection which allows remote sensing of out-
put voltage for improved regulation. If remote sensing is
not desired, connect to VOUT
.
3, 5
2,3,4,
NC
No connection
6,7,8,9,11
Typical Performance Characteristics
Load Regulation vs. Output Current Over Temperature
Output Voltage vs. Temperature
5.02
0
I
= 100mA
OUT
- 4 0° C
-5
-10
-15
-20
-25
-30
-35
-40
-45
-50
5.01
5
5.00V @25°C
V
=14V
IN
1 2 5° C
4.99
4.98
4.97
4.96
4.95
0
100
200
300
(mA)
400
500
-40 -20
0
20 40 60 80 100 120 140 150
I
OUT
Junction Temperature (°C)
Line Regulation vs. Output Current Over Temperature
Dropout Voltage vs. Output Current Over Temperature
50
1.4
V
= 7 to 25V
IN
40
30
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-40°C
25°C
25°C
20
10
0
1 2 5° C
125°C
- 4 0° C
-10
0
50 100 150 200 250 300 350 400 450 500
(mA)
350
0
50
100
150
200
250
300
I
OUT
Output Current (mA)
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
