CS403 Datasheet, PDF (2/6 Pages) Cherry Semiconductor Corporation – 5V, 750mA Linear Regulator with RESET

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
Operating Input Voltage
V_IN = 8.5V, I_OUT = 250mA
T_J = 25¡C
100mA ² I_OUT ² 750mA
100 to 750mA
Load Regulation
Dropout Voltage
Quiescent Current
PSRR
Output Short Circuit Current
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
Reset Output Voltage
I_R = 1.6mA 1.0 ² V_OUT ² 4.75V
Reset Output Leakage Current V_OUT in regulation
Delay Time for Reset Output C_d = 100nF
Reset Threshold: V_RTH
V_RTL
V_OUT Increasing
V_OUT Decreasing
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
Charge
Discharge
4.95
4.85
-0.75
10
4.75
10
3.7
3.1
200
10
5.00
5.05
V
5.00
5.15
18.0
V
30
100
mV
1.4
1.8
V
3
4
mA
5
25
mA
70
dB
1
A
0.08
0.40
V
0
50
µA
20
30
ms
V_OUT-0.04
V
V
50
mV
4.0
4.4
V
3.5
3.9
V
500
1000
mV
20
40
µA
0.6
1.2
V
t_d = C_d x V_DTC/I_ch
= C_Delay x 2.10⁵ (typical)
where:
t_d
C_d
V_DTC
I_ch
= Time delay
= Value of external charging capacitor (see test circuit).
= Delay threshold charge
= Reset delay capacitor charging current.
PACKAGE LEAD #
5 Lead TO-220
1
2
3
4
5
Package Lead Description
LEAD SYMBOL
FUNCTION
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