CS8127 查看數據表（PDF） - Cherry semiconductor
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CS8127 Datasheet PDF : 6 Pages
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Absolute Maximum Ratings
Power Dissipation.............................................................................................................................................Internally Limited
Input Voltage ..................................................................................................................................................................Ð0.3V, 26V
Transient Input Voltage ............................................................................................................................................................60V
Output Current ...............................................................................................................................................Externally Limited
ESD Susceptibility (Human Body Model)..............................................................................................................................2kV
Junction Temperature ............................................................................................................................................Ð45¡C to 150¡C
Storage Temperature..............................................................................................................................................Ð55¡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: TA=-40ûC to +125ûC, TJ=-40ûC to +150ûC, VIN=6 to 26V, IOUT=5 to 500mA, Per Test Circuit
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
s Output Stage (VOUT)
Output Voltage
4.85
5.00
Dropout Voltage
IOUT = 500mA, note 1
0.1
Supply Current IQ
IOUT ² 10mA
4
IOUT ² 500mA
5
IOUT ² 3A, note 1
30
Line Regulation
6V ² VIN ² 26V, IOUT = 5mA
12
Load Regulation
5V ² IOUT ² 500mA, VIN = 14V
2
Ripple Rejection
f = 120Hz, 7V ² VIN ² 17V,
IOUT = 350mA
60
70
VIN Overvoltage Shutdown
32
Drive Current
VSENSE = 6V
50
VSENSE = 0V
25
250
MAX
5.15
0.6
8
15
50
50
40
UNIT
V
V
mA
mV
mV
dB
V
µA
mA
s RESET and Delay Functions
Delay Charge Current, ICharge VDelay = 2V
5
RESET Threshold VRTH
VOUT Increasing
4.65
VRTL
VOUT Decreasing
4.50
RESET Hysteresis VRH
150
Delay Threshold VDTC
Charge
3.25
VDTD
Discharge
2.80
Delay Hysteresis, VDH
VDTC - VDTD
200
RESET Output Voltage Low 1V < VOUT < VRTL, 3k½ to VOUT
RESET Output
Leakage Current
VD > VDTC , VOUT > VRTH
Delay Capacitor (Vdis)
Discharge Voltage
Discharge Latched "ON",
VOUT > VRTH
Delay Time
CDelay = 0.1µF, note 2
16
10
15
µA
4.90
VOUT-0.10
V
4.70
VOUT-0.15
V
200
250
mV
3.50
3.75
V
3.00
3.40
V
400
800
mV
0.4
V
10
µA
0.2
0.5
V
32
48
ms
Note 1: Dependent on characteristics of external transistor.
Note 2: Delay Time =
CDelay x VDTC
ICharge
= CDelay x 3.5 x 10 5 (Typical)
2
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