CS403
Electrical Characteristics :
Refer to the test circuit, -40¡C ² T
C
² 125¡C, -40 ² T
J
² 150¡C, 7V ² V
IN
² 10V unless otherwise specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage, V
OUT
V
IN
= 8.5V, I
OUT
= 250mA
T
J
= 25¡C
100mA ² I
OUT
² 750mA
100 to 750mA
100mA ² I
OUT
² 750mA, V
IN
= 8.5V
I
OUT
= 750mA
I
OUT
= 0mA
I
OUT
= 750mA
I
OUT
-250mA f = 120Hz
C
OUT
= 10µF, V
IN
= 8.5V±V
pp
I
R
= 1.6mA 1.0 ² V
OUT
² 4.75V
C
d
= 100nF
V
OUT
Increasing
V
OUT
Decreasing
Charge
Discharge
4.95
4.85
-0.75
5.00
5.00
30
1.4
3
5
70
1
0.08
0
5.05
5.15
18.0
100
1.8
4
25
V
V
mV
V
mA
mA
dB
A
Operating Input Voltage
Load Regulation
Dropout Voltage
Quiescent Current
PSRR
Output Short Circuit Current
Reset Output Voltage
Delay Time for Reset Output
Reset Threshold: V
RTH
V
RTL
Threshold Hysteresis
Delay, V
DTC
Delay, V
DTD
Delay Hysteresis, V
DH
Reset Delay Capacitor
Charging Current, I
CH
Reset Delay Capacitor
Discharge Voltage, V
DIS
t
d
= C
d
x V
DTC
/I
ch
= C
Delay
x 2.10
5
(typical)
where:
t
d
C
d
V
DTC
I
ch
=
=
=
=
0.40
50
30
V
OUT
-0.04
V
µA
ms
V
V
mV
V
V
mV
µA
V
Reset Output Leakage Current V
OUT
in regulation
10
4.75
10
3.7
3.1
200
10
20
50
4.0
3.5
500
20
0.6
4.4
3.9
1000
40
1.2
Time delay
Value of external charging capacitor (see test circuit).
Delay threshold charge
Reset delay capacitor charging current.
Package Lead Description
PACKAGE LEAD #
LEAD SYMBOL
FUNCTION
5 Lead TO-220
1
2
3
4
5
V
IN
RESET
Gnd
Delay
V
OUT
Input voltage.
CMOS compatible output lead. RESET goes low whenever V
OUT
falls out of regulation.
Ground connection.
Timing capacitor for RESET function.
Regulated output voltage, 5V (typ).
2
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
