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STR3A153 bảng dữ liệu(PDF) 4 Page - Sanken electric

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STR3A153 bảng dữ liệu(HTML) 4 Page - Sanken electric

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SANKEN ELECTRIC CO., LTD.
STR3A150-DS
July 20, 2012
PWM Off-Line Switching Regulator ICs
STR3A151, STR3A152, STR3A153,
STR3A154, STR3A155
Electrical Characteristics of Control Part Unless specifically noted, TA is 25°C, VCC = 18 V
Characteristic
Symbol
Test Conditions
Pins
Min.
Typ.
Max.
Unit
Operation Start Voltage
VCC(ON)
2 – 3
13.8
15.3
16.8
V
Operation Stop Voltage*
VCC(OFF)
2 – 3
7.3
8.1
8.9
V
Circuit Current in Operation
ICC(ON)
VCC = 12 V
2 – 3
−−
2.5
mA
Minimum Start Voltage
VST(ON)
8 – 3
40
V
Startup Current
ISTARTUP
VCC = 13.5 V
2 – 3
−3.9
−2.5
−1.1
mA
Startup Current Threshold Biasing
Voltage*
VCC(BIAS)
2 – 3
8.5
9.5
10.5
V
Average Operation Frequency
fOSC(AVG)
8 – 3
60
67
74
kHz
Frequency Modulation Deviation
Δf
8 – 3
5
kHz
Maximum Duty Cycle
DMAX
8 – 3
65
74
83
%
Leading Edge Blanking Time
tBW
350
ns
OCP Compensation Coefficient
DPC
17
mV/μs
OCP Compensation Duty Cycle Limit
DDPC
−−
36
%
OCP Threshold Voltage at
Zero Duty Cycle
VOCP(L)
1 – 3
0.69
0.78
0.87
V
OCP Threshold Voltage at
36% Duty Cycle
VOCP(H)
1 – 3
0.79
0.88
0.97
V
Maximum Feedback Current
IFB(MAX)
4 – 3
−110
−70
−35
μA
Minimum Feedback Current
IFB(MIN)
4 – 3
−30
−15
−7
μA
FB/OLP Oscillation Stop Threshold
Voltage
VFB(OFF)
STR3A151
STR3A152
STR3A153
VCC = 32 V
4 – 3
1.09
1.21
1.33
V
STR3A154
STR3A155
VCC = 32 V
4 – 3
0.85
0.98
1.09
V
OLP Threshold Voltage
VFB(OLP)
VCC = 32 V
4 – 3
7.3
8.1
8.9
V
OLP Operation Current
ICC(OLP)
VCC = 12 V
2 – 3
230
−μA
OLP Delay Time
tOLP
547086
ms
FB/OLP Clamp Voltage
VFB(CLAMP)
4 – 3
11.0
12.8
14.0
V
OVP Threshold Voltage
VCC(OVP)
2 – 3
27.5
29.5
31.5
V
Thermal Shutdown Activating
Temperature
TJ(TSD)
135
−−
°C
*VCC(BIAS) > VCC(OFF) always.


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