CS51031YN8 View Datasheet(PDF) - Cherry semiconductor
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Description
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CS51031YN8 Datasheet PDF : 8 Pages
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Absolute Maximum Ratings
Power Supply Voltage, VCC........................................................................................................................................................20V
Driver Supply Voltage, VC..........................................................................................................................................................20V
Driver Output Voltage, VGATE ...................................................................................................................................................20V
COSC, CS, VFB (Logic Pins) ............................................................................................................................................................6V
Peak Output Current ................................................................................................................................................................. 1.0A
Steady State Output Current ................................................................................................................................................200mA
Operating Junction Temperature, TJ..................................................................................................................................... 150¡C
Operating Temperature Range, TA............................................................................................................................-40¡ to 125¡C
Storage Temperature Range, TS...................................................................................................................................-65 to 150¡C
ESD (Human Body Model).........................................................................................................................................................2kV
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: Specifications apply for 4.5 ² VCC ² 16V, 3V ² VC ² 16V,
-40¡C ² TJ ² 125¡C, unless otherwise specified.
PARAMETER
s Oscillator
Frequency
Charge Current
Discharge Current
Maximum Duty Cycle
TEST CONDITIONS
VFB = 1.2V
COSC = 470pF
1.4V < VCOSC < 2V
2.7V > VCOSC > 2V
1 Ð (tOFF/tON)
MIN
160
80.0
TYP MAX
200
240
110
660
83.3
UNIT
kHz
µA
µA
%
s Short Circuit Timer
Charge Current
Fast Discharge Current
Slow Discharge Current
Start Fault Inhibit Time
Valid Fault Time
GATE Inhibit Time
Fault Duty Cycle
VFB = 1.0V; CS = 0.1µF; VCOSC = 2V
1V < VCS < 2V
2.55V > VCS > 2.4V
2.4V > VCS > 1.5V
0V < VCS < 2.5V
2.6V > VCS > 2.4V
2.4V > VCS > 1.5V
175
264
325
µA
40
66
80
µA
4
6
10
µA
0.70
0.85
1.40
ms
0.2
0.3
0.45
ms
9
15
23
ms
2.5
3.1
4.6
%
s CS Comparator
Fault Enable CS Voltage
Max. CS Voltage
Fault Detect Voltage
Fault Inhibit Voltage
Hold Off Release Voltage
Regulator Threshold
Voltage Clamp
VFB = 1V
VFB = 1.5V
VCS when GATE goes high
Minimum VCS
VFB = 0V
VCS = 1.5V
0.4
0.725
2.5
V
2.6
V
2.4
V
1.5
V
0.7
1.0
V
0.866 1.035
V
s VFB Comparators
Regulator Threshold Voltage
Fault Threshold Voltage
Threshold Line Regulation
Input Bias Current
VCOSC = VCS = 2V
TJ = 25¡C (note 1)
TJ = -40 to 125¡C
TJ = 25¡C (note 1)
TJ = -40 to 125¡C
4.5V ² VCC ² 16V
VFB = 0V
1.225
1.210
1.12
1.10
1.250
1.250
1.15
1.15
6
1
1.275
V
1.290
V
1.17
V
1.19
V
15
mV
4
µA
Voltage Tracking
Input Hysteresis Voltage
(Regulator Threshold Voltage -
Fault Threshold Voltage)
70
100
120
mV
4
20
mV
2
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