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KA1L0380RB-TU Scheda tecnica(PDF) 4 Page - Fairchild Semiconductor

Il numero della parte KA1L0380RB-TU
Spiegazioni elettronici  Fairchild Power Switch(SPS)
Download  12 Pages
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Produttore elettronici  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA1L0380RB-TU Scheda tecnica(HTML) 4 Page - Fairchild Semiconductor

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KA1L0380B/KA1L0380RB/KA1M0380RB/KA1H0380RB
4
Electrical Characteristics (CONTROL part)
(Ta=25
°C unless otherwise specified)
Notes:
1. These parameters, although guaranteed, are not 100% tested in production
2. These parameters, although guaranteed, are tested in EDS (wafer test) process
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
REFERENCE SECTION
Output voltage (1)
Vref
Ta=25
°C
4.80
5.00
5.20
V
Temperature Stability (1)(2)
Vref/
∆T
−25°C≤Ta≤+85°C-
0.3
0.6
mV/
°C
OSCILLATOR SECTION
Initial accuracy
FOSC
KA1L0380B
45
50
55
kHz
KA1L0380RB
45
50
55
KA1M0380RB
61
67
73
KA1H0380RB
90
100
110
Frequency change with temperature (2)
∆F/∆T
−25°C≤Ta≤+85°C-
±5
±10
%
PWM SECTION
Maximum duty cycle
Dmax
KA1L0380B
74
77
80
%
KA1L0380RB
74
77
80
KA1M0380RB
74
77
80
KA1H0380RB
64
67
70
FEEDBACK SECTION
Feedback source current
IFB
Ta=25
°C, 0V≤Vfb≤3V
0.7
0.9
1.1
mA
Shutdown delay current
Idelay
Ta=25
°C, 5V≤Vfb≤VSD
4.0
5.0
6.0
µA
OVER CURRENT PROTECTION SECTION
Over current protection
IL(max)
Max. inductor current
1.89
2.15
2.41
A
UVLO SECTION
Start threshold voltage
Vth(H)
-
14
15
16
V
Minimum operating voltage
Vth(L)
After turn on
9
10
11
V
TOTAL STANDBY CURRENT SECTION
Start current
IST
VCC=14V
0.1
0.3
0.45
mA
Operating supply current
(control part only)
IOPR
Ta=25
°C
6
12
18
mA
VCC zener voltage
VZ
ICC=20mA
30
32.5
35
V
SHUTDOWN SECTION
Shutdown Feedback voltage
VSD
-6.9
7.5
8.1
V
Thermal shutdown temperature (Tj) (1)
TSD
-
140
160
-
°C
Over voltage protection voltage
VOVP
-23
25
28
V


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