CS8122 Просмотр технического описания (PDF) - Cherry semiconductor
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CS8122 Datasheet PDF : 8 Pages
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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 TA ² +125ûC, -40ûC ² TJ ² +150ûC, 6V ² VIN ² 26V, 5mA ² IOUT ² 500mA,
R RESET = 4.7k½ to VCC unless otherwise noted*
PARAMETER
s Output Stage (VOUT)
Output Voltage
Dropout Voltage
Supply Current
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
TEST CONDITIONS
MIN
4.9
IOUT = 500mA
IOUT ² 10mA
IOUT ² 100mA
IOUT ² 500mA
6V ² VIN ² 26V, IOUT = 50mA
50mA ² IOUT ² 500mA, VIN = 14V
f = 120Hz, VIN = 7 to 17V,
54
IOUT = 250mA
0.75
32
VOUT ² 5.5V
60
VOUT ³ -0.6V, 10½ Load
-15
1% Duty Cycle, T < 100ms,
-50
10½ Load
Guaranteed by Design
150
TYP
5.0
0.35
2
6
55
5
10
75
1.20
95
-30
-80
180
MAX
5.1
0.60
7
12
100
50
50
40
210
UNIT
V
V
mA
mV
mV
dB
A
V
V
V
V
¡C
s RESET and Delay Functions
Delay Charge Current
RESET Threshold
RESET Hysteresis
Delay Threshold
Delay Hysteresis
VDELAY = 2V
VOUT Increasing, VRT(ON)
VOUT Decreasing, VRT(OFF)
VRH = VRT(ON) - VRT(OFF)
Charge, VDC(HI)
Discharge, VDC(L)
5
10
15
µA
4.65
4.90
VOUT-0.01
V
4.50
4.70
VOUT-0.16
V
150
200
250
mV
3.25
3.50
2.85
3.10
3.75
V
3.35
V
200
400
800
mV
RESET Output Voltage Low
1V < VOUT < VRT(L), 3k½ to VOUT
0.1
0.4
V
RESET Output Leakage
VOUT > VRT(H)
0
Current
10
µA
Delay Capacitor
Discharge Voltage
Delay Time
Discharge Latched ÒONÓ,
VOUT > VRT
CDELAY = 0.1µF
0.2
16
32
0.5
V
48
ms
* To observe safe operating junction temperatures, low duty cycle pulse testing is used in tests where applicable.
Delay
Time
=
CDelay
x
VDelay
ICharge
Threshold
Charge
=
CDelay
x
3.5
x
105
(typ)
2
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