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KA1M0880BTU Datasheet(PDF) 4 Page - Fairchild Semiconductor

Part No. KA1M0880BTU
Description  Fairchild Power Switch(FPS)
Download  10 Pages
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA1M0880BTU Datasheet(HTML) 4 Page - Fairchild Semiconductor

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KA1L0880B/KA1M0880B
4
Electrical Characteristics (CONTROL part)
(Ta=25
°C unless otherwise specified)
Note:
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
UVLO SECTION
Start threshold voltage
VSTART
-
14
15
16
V
Stop threshold voltage
VSTOP
After turn on
9
10
11
V
OSCILLATOR SECTION
Initial accuracy
FOSC
KA1L0880B
45
50
55
kHz
KA1M0880B
61
67
73
Frequency change with temperature (2)
∆F/∆T
−25°C ≤ Ta ≤ +85°C-
±5
±10
%
Maximum duty cycle
Dmax
74
77
80
%
FEEDBACK SECTION
Feedback source current
IFB
Ta=25
°C, 0V ≤ Vfb ≤ 3V
0.7
0.9
1.1
mA
Shutdown Feedback voltage
VSD
-
6.9
7.5
8.1
V
Shutdown delay current
Idelay
Ta=25
°C, 5V ≤ Vfb ≤ VSD 4.0
5.0
6.0
µA
SOFT START SECTION
Soft Start Voltage
VSS
VFB =2V
4.7
5.0
5.3
V
Soft Start Current
ISS
Sync & S/S=GND
0.8
1.0
1.2
mA
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
CURRENT LIMIT (SELF-PROTECTION) SECTION
Peak Current Limit
IOVER
Max. inductor current
4.40
5.00
5.60
A
PROTECTION SECTION
Thermal shutdown temperature (Tj) (1)
TSD
-
140
160
-
°C
Over voltage protection voltage
VOVP
-
23
25
28
V
TOTAL DEVICE SECTION
Start Up current
ISTART
VCC=14V
0.1
0.3
0.45
mA
Operating supply current
(control part only)
IOP
Ta=25
°C
6
12
18
mA
VCC zener voltage
VZ
ICC=20mA
30
32.5
35
V


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