Electrical Characteristics : Refer to the test circuit, -40¡C ² TC ² 125¡C, -40 ² TJ ² 150¡C, 7V ² VIN ² 10V unless otherwise specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage, VOUT
VIN = 8.5V, IOUT = 250mA
TJ = 25¡C
4.95
4.85
5.00
5.00
5.05
5.15
V
100mA ² IOUT ² 750mA
Operating Input Voltage
Load Regulation
100 to 750mA
-0.75
18.0
100
1.8
V
mV
V
100mA ² IOUT ² 750mA, VIN = 8.5V
30
Dropout Voltage
IOUT = 750mA
1.4
Quiescent Current
IOUT = 0mA
IOUT = 750mA
3
5
4
25
mA
mA
PSRR
IOUT-250mA f = 120Hz
70
dB
COUT = 10µF, VIN = 8.5V±Vpp
Output Short Circuit Current
Reset Output Voltage
1
0.08
0
A
V
IR = 1.6mA 1.0 ² VOUT ² 4.75V
0.40
50
Reset Output Leakage Current VOUT in regulation
Delay Time for Reset Output Cd = 100nF
µA
ms
10
20
30
Reset Threshold: VRTH
VRTL
VOUT Increasing
VOUT Decreasing
VOUT-0.04
V
V
4.75
10
Threshold Hysteresis
50
mV
Delay, VDTC
Delay, VDTD
Charge
Discharge
3.7
3.1
4.0
3.5
4.4
3.9
V
V
Delay Hysteresis, VDH
200
10
500
20
1000
40
mV
µA
Reset Delay Capacitor
Charging Current, ICH
Reset Delay Capacitor
Discharge Voltage, VDIS
0.6
1.2
V
td = Cd x VDTC/Ich
= CDelay x 2.105 (typical)
where:
td
=
=
=
=
Time delay
Cd
Value of external charging capacitor (see test circuit).
Delay threshold charge
VDTC
Ich
Reset delay capacitor charging current.
Package Lead Description
PACKAGE LEAD #
LEAD SYMBOL
FUNCTION
5 Lead TO-220
1
VIN
Input voltage.
2
CMOS compatible output lead.
falls out of regulation.
goes low whenever V
RESET
OUT
RESET
3
Gnd
Ground connection.
4
5
Delay
VOUT
Timing capacitor for
function.
RESET
Regulated output voltage, 5V (typ).
2
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
