CS8122
Absolute Maximum Ratings
Input Operating Range..................................................................................................................................................-0.5 to 26V
Power Dissipation.............................................................................................................................................Internally Limited
Transient Input Voltage .................................................................................................................................................-50V, 60V
Output Current .................................................................................................................................................Internally Limited
ESD Susceptibility (Human Body Model)..............................................................................................................................4kV
Junction Temperature .............................................................................................................................................-55¡C to 150¡C
Storage Temperature...............................................................................................................................................-55¡C to 150¡C
Lead Temperature Soldering
Wave Solder (through hole styles only) .....................................................................................10 sec. max, 260¡C peak
Electrical Characteristics: -40ûC ² T
A
² +125ûC, -40ûC ² T
J
² +150ûC, 6V ² V
IN
² 26V, 5mA ² I
OUT
² 500mA,
R
RESET
= 4.7k�½ to V
CC
unless otherwise noted*
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
s
Output Stage (V
OUT
)
Output Voltage
Dropout Voltage
Supply Current
I
OUT
= 500mA
I
OUT
² 10mA
I
OUT
² 100mA
I
OUT
² 500mA
6V ² V
IN
² 26V, I
OUT
= 50mA
50mA ² I
OUT
² 500mA, V
IN
= 14V
f = 120Hz, V
IN
= 7 to 17V,
I
OUT
= 250mA
54
0.75
32
V
OUT
² 5.5V
V
OUT
³ -0.6V, 10�½ Load
1% Duty Cycle, T < 100ms,
10�½ Load
Guaranteed by Design
60
-15
-50
150
95
-30
-80
180
210
4.9
5.0
0.35
2
6
55
5
10
75
1.20
40
5.1
0.60
7
12
100
50
50
V
V
mA
Line Regulation
Load Regulation
Ripple Rejection
Current Limit
Overvoltage Shutdown
Maximum Line Transient
Reverse Polarity Input
Voltage DC
Reverse Polarity Input
Voltage Transient
Thermal Shutdown
s
RESET and Delay Functions
Delay Charge Current
RESET Threshold
RESET Hysteresis
Delay Threshold
Delay Hysteresis
RESET Output Voltage Low
RESET Output Leakage
Delay Capacitor
Discharge Voltage
Delay Time
mV
mV
dB
A
V
V
V
V
¡C
V
DELAY
= 2V
V
OUT
Increasing, V
RT(ON)
V
OUT
Decreasing, V
RT(OFF)
V
RH
= V
RT(ON)
- V
RT(OFF)
Charge, V
DC(HI)
Discharge, V
DC(L)
1V < V
OUT
< V
RT(L)
, 3k�½ to V
OUT
V
OUT
> V
RT(H)
Current
Discharge Latched ÒONÓ,
V
OUT
> V
RT
C
DELAY
= 0.1µF
5
4.65
4.50
150
3.25
2.85
200
0
10
4.90
4.70
200
3.50
3.10
400
0.1
15
V
OUT
-0.01
V
OUT
-0.16
250
3.75
3.35
800
0.4
10
µA
V
V
mV
V
V
mV
V
µA
V
ms
0.2
16
32
0.5
48
* To observe safe operating junction temperatures, low duty cycle pulse testing is used in tests where applicable.
C
Delay
x V
Delay Threshold Charge
= C
Delay
x 3.5 x 10
5
(typ)
Delay Time =
I
Charge
2
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
