CS8121
Absolute Maximum Ratings
DC Input Voltage ...........................................................................................................................................................-0.7 to 26V
Peak Transient Voltage (46V Load Dump).............................................................................................................................60V
Output Current .................................................................................................................................................Internally Limited
Electrostatic Discharge (Human Body Model) ......................................................................................................................2kV
Operating, Temperature ..........................................................................................................................................-40C to 125¡C
Junction Temperature...............................................................................................................................................-40C to 150¡C
Storage Temperatures.............................................................................................................................................-55¡C to 150¡C
Lead Temperature Soldering
Wave Solder (through hole styles only) .....................................................................................10 sec. max, 260¡C peak
Reflow (SMD styles only) ......................................................................................60 sec. max above 183¡C, 230¡C peak
Electrical Characteristics:
I
OUT
= 5mA, -40ûC ² T
J
²150ûC , 7V ² V
IN
² 26V, -40¡C ² T
A
² 125¡C unless otherwise specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
s
Output Stage
Output Voltage, V
OUT
Line Regulation
Load Regulation
Supply Voltage Rejection
Dropout Voltage
Quiescent Current
7V ² V
IN
² 26V, 1mA ² I
OUT
² 1A
7V ² V
IN
² 26V, I
OUT
= 5mA
5mA ² I
OUT
² 1A
V
IN
= 14V
DC
+ 1V
RMS
@120Hz, I
LOAD
= 50�½
I
OUT
= 1A
ENABLE = High, V
IN
= 12V
ENABLE = Low, I
OUT
= 1A
54
4.8
5.0
0
10
70
1.2
0.25
4
1.8
0.65
20
5.2
50
70
V
mV
mV
dB
V
mA
mA
s
Protection Circuits
Short Circuit Current
Thermal Shutdown
Overvoltage Shutdown
s
RESET
RESET Saturation Voltage
RESET Output Leakage
Current
Power ON/OFF RESET
Peak Output Voltage
RESET Threshold ON
(V
OUT
Increasing)
RESET Threshold OFF
(V
OUT
Decreasing)
RESET Threshold Hysteresis
s
ENABLE
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Current
7V < V
IN
< 26V
7V < V
IN
< 26V
7V < V
IN
< 26V
Gnd < V
IN(HI)
< V
OUT
1.1
0.4
2.9
2.1
0.8
0
2.8
±10
3.9
V
V
V
µA
4.75
10
1V < V
OUT
< V
RT(OFF),
3.1k�½ pull-up
to V
OUT
ENABLE = Low
V
OUT
> V
RT(ON)
, V
RESET
= V
OUT
3.1k�½ pull-up to V
OUT
0.1
0
0.7
V
OUT
- 0.10
V
OUT
- 0.14
40
0.4
25
1.0
V
OUT
- 0.04
V
µA
V
V
V
mV
150
26
1.5
190
40
A
ûC
V
2
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
