KA5S12656TU 查看數據表（PDF） - Fairchild Semiconductor
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KA5S12656TU Datasheet PDF : 20 Pages
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KA5S-SERIES KA5S0765C/KA5S09654QT/KA5S0965/KA5S12656/KA5S1265
Electrical Characteristics (CONTROL Part)
(VCC=16V, Tamb = 25°C unless otherwise specified)
Parameter
Symbol
Conditions
UVLO SECTION
Start Threshold Voltage
VSTART VFB=GND
StopThreshold Voltage
VSTOP VFB=GND
OSCILLATOR SECTION
Initial Frequency
Voltage Stability
Temperature Stability (Note2)
FOSC
FSTABLE
∆FOSC
-
12V ≤ VCC ≤ 23V
-25°C ≤ Τa≤ 85°C
Maximum Duty Cycle
Minimum Duty Cycle
FEEDBACK SECTION
DMAX
-
DMIN
-
Feedback Source Current
Shutdown Feedback Voltage
IFB
VSD
VFB=GND
VFB ≥ 6.9V
Shutdown Delay Current
SYNC. & SOFTSTART SECTION
IDELAY VFB=5V
Softstart Voltage
Softstart Current
VSS
VFB=2V
ISS
VSS=0V
Sync High Threshold Voltage(Note3) VSYNCH
Sync Low Threshold Voltage(Note3)
VSYNCL
CURRENT LIMIT(SELF-PROTECTION)SECTION
VCC=16V , VFB=5V
VCC=16V , VFB=5V
KA5S0765C
KA5S09654QT
Peak Current Limit (Note4)
IOVER
KA5S0965
KA5S12656
KA5S1265
PROTECTION SECTION
Over Voltage Protcetion
Over Current Latch voltage(Note3)
Thermal Shutdown Tempature(Note2)
VOVP
VOCL
TSD
VCC ≥ 24V
-
-
TOTAL DEVICE SECTION
Start Up Current
ISTART VFB=GND, VCC=14V
IOP
VFB=GND, VCC=16V
Operating Supply Current(Note1)
IOP(MIN) VFB=GND, VCC=12V
IOP(MAX) VFB=GND, VCC=30V
Note:
1. These parameters is the Current Flowing in the Control IC.
2. These parameters, although guaranteed, are not 100% tested in production
3. These parameters, although guaranteed, are tested in EDS(wafer test) process
4. These parameters are indicated Inductor Current.
Min. Typ. Max. Unit
14 15 16 V
8
9 10 V
18 20 22 kHz
0
1
3
%
0 ±5 ±10 %
92 95 98 %
-
-
0%
0.7 0.9 1.1 mA
6.9 7.5 8.1 V
3.0 4.0 5.0 µA
4.7 5.0 5.3 V
0.75 0.95 1.15 mA
- 7.0 -
V
- 6.0 -
V
3.52 4.0 4.48
3.52 4.0 4.48
5.28 6.0 6.72 A
5.28 6.0 6.72
7.04 8.0 8.96
23 25 28 V
0.9 1.0 1.1 V
140 160 -
°C
- 0.1 0.17 mA
-
7 12 mA
8
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