CS8121 View Datasheet(PDF) - Cherry semiconductor
Part Name
Description
View to exact match
CS8121 Datasheet PDF : 8 Pages
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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: IOUT = 5mA, -40ûC ² TJ ²150ûC , 7V ² VIN ² 26V, -40¡C ² TA ² 125¡C unless otherwise specified
PARAMETER
TEST CONDITIONS
MIN
TYP
s Output Stage
Output Voltage, VOUT
7V ² VIN ² 26V, 1mA ² IOUT ² 1A
4.8
5.0
Line Regulation
7V ² VIN ² 26V, IOUT = 5mA
0
Load Regulation
5mA ² IOUT ² 1A
10
Supply Voltage Rejection
VIN = 14VDC + 1VRMS
@120Hz, ILOAD = 50½
54
70
Dropout Voltage
IOUT = 1A
1.2
Quiescent Current
ENABLE = High, VIN = 12V
0.25
ENABLE = Low, IOUT = 1A
4
MAX
5.2
50
70
1.8
0.65
20
UNIT
V
mV
mV
dB
V
mA
mA
s Protection Circuits
Short Circuit Current
Thermal Shutdown
Overvoltage Shutdown
1.5
A
150
190
ûC
26
40
V
s RESET
RESET Saturation Voltage
RESET Output Leakage
Current
Power ON/OFF RESET
Peak Output Voltage
1V < VOUT < VRT(OFF), 3.1k½ pull-up
to VOUT
ENABLE = Low
VOUT > VRT(ON), V RESET = VOUT
3.1k½ pull-up to VOUT
RESET Threshold ON
(VOUT Increasing)
RESET Threshold OFF
4.75
(VOUT Decreasing)
RESET Threshold Hysteresis
10
0.1
0.4
V
0
25
µA
0.7
1.0
V
VOUT - 0.10 VOUT - 0.04
V
VOUT - 0.14
V
40
mV
s ENABLE
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Current
7V < VIN < 26V
7V < VIN < 26V
7V < VIN < 26V
Gnd < VIN(HI) < VOUT
2.9
3.9
V
1.1
2.1
V
0.4
0.8
2.8
V
0
±10
µA
2
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