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KA1H0680RFB-YDTU View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
Manufacturer
KA1H0680RFB-YDTU
Fairchild
Fairchild Semiconductor Fairchild
KA1H0680RFB-YDTU Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
KA1M0680B/KA1M0680RB/KA1H0680B/KA1H0680RFB
Electrical Characteristics (CONTROL part)
(Ta=25°C unless otherwise specified)
Parameter
Symbol
Condition
Min.
UVLO SECTION
Start threshold voltage
VSTART
-
14
Stop threshold voltage
VSTOP After turn on
9
OSCILLATOR SECTION
KA1M0680B
61
Initial accuracy
KA1M0680RB
61
FOSC
KA1H0680B
90
KA1H0680RFB
90
Frequency change with temperature (2) F/T 25°C Ta +85°C
-
KA1M0680B
74
Maximum duty cycle
KA1M0680RB
74
Dmax
KA1H0680B
64
KA1H0680RFB
64
FEEDBACK SECTION
Feedback source current
IFB
Ta=25°C, 0V Vfb 3V 0.7
Shutdown Feedback voltage
VSD
-
6.9
Shutdown delay current
Idelay Ta=25°C, 5V Vfb VSD 4.0
SOFT START SECTION
Soft Start Voltage
VSS
VFB =2V
4.7
Soft Start Current
ISS
Sync & S/S=GND
0.8
REFERENCE SECTION
Output voltage (1)
Temperature Stability (1)(2)
Vref Ta=25°C
4.80
Vref/T 25°C Ta +85°C
-
CURRENT LIMIT (SELF-PROTECTION) SECTION
Peak Current Limit
IOVER Max. inductor current
3.52
PROTECTION SECTION
Thermal shutdown temperature (Tj) (1)
TSD
-
140
Over voltage protection voltage
VOVP
-
23
TOTAL DEVICE SECTION
Start Up current
ISTART VCC=14V
0.1
Operating supply current
(control part only)
IOP
Ta=25°C
6
VCC zener voltage
VZ
ICC=20mA
30
Typ.
15
10
67
67
100
100
±5
77
77
67
67
0.9
7.5
5.0
5.0
1.0
5.00
0.3
4.00
160
25
0.3
12
32.5
Max. Unit
16
V
11
V
73
73
kHz
110
110
±10
%
80
80
%
70
70
1.1 mA
8.1
V
6.0 µA
5.3
V
1.2 mA
5.20 V
0.6 mV/°C
4.48 A
-
°C
28
V
0.45 mA
18 mA
35
V
Note:
1. These parameters, although guaranteed, are not 100% tested in production
2. These parameters, although guaranteed, are tested in EDS (wafer test) process
4
 

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