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參數(shù)資料
| 型號： | KA3S0880RFB-TU |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SLEC28S2S |
| 中文描述： | 32 A SWITCHING REGULATOR, 150 kHz SWITCHING FREQ-MAX, PSFM5 |
| 封裝： | TO-3PF, 5 PIN |
| 文件頁數(shù)： | 4/14頁 |
| 文件大?。?/td> | 100K |
| 代理商： | KA3S0880RFB-TU |
KA3S0880RB/KA3S0880RFB
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
3. The amplitude of the sync. pulse is recommended to be between 2V and 3V for stable sync. function.
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
UVLO SECTION
Start threshold voltage
Stop threshold voltage
OSCILLATOR SECTION
Initial accuracy
Frequency change with temperature
(2)
Maximum duty cycle
FEEDBACK SECTION
Feedback source current
Shutdown Feedback voltage
Shutdown delay current
SYNC. & SOFT START SECTION
Soft start voltage
Soft start current
Sync threshold voltage
(3)
REFERENCE SECTION
Output voltage
(1)
Temperature Stability
(1)(2)
CURRENT LIMIT (SELF-PROTECTION) SECTION
Peak Current Limit
PROTECTION SECTION
Thermal shutdown temperature (Tj)
(1)
Over voltage protection voltage
TOTAL DEVICE SECTION
Start Up current
Operating supply current
(control part only)
V
CC
zener voltage
V
START
V
STOP
-
14
9
15
10
16
11
V
V
After turn on
F
OSC
F/
T
Dmax
Ta=25
°
C
25
°
C
≤
Ta
≤
+85
°
C
18
-
92
20
±
5
95
22
±
10
98
kHz
%
%
-
I
FB
V
SD
Idelay
Ta=25
°
C, Vfb=GND
0.7
6.9
1.4
0.9
7.5
1.8
1.1
8.1
2.2
mA
V
μ
A
-
Ta=25
°
C, 5V
≤
Vfb
≤
V
SD
V
SS
I
SS
V
SYTH
V
FB
=2V
Sync & S/S=GND
Vfb=5V
4.7
0.8
6.0
5.0
1.0
6.4
5.3
1.2
6.8
V
mA
V
Vref
Vref/
T
Ta=25
°
C
25
°
C
≤
Ta
≤
+85
°
C
4.80
-
5.00
0.3
5.20
0.6
V
mV/
°
C
I
OVER
Max. inductor current
4.40
5.00
5.60
A
T
SD
V
OVP
-
-
140
23
160
25
-
°
C
V
28
I
START
V
CC
=14V
0.1
0.3
0.55
mA
I
OP
Ta=25
°
C
6
12
18
mA
V
Z
I
CC
=20mA
30
32.5
35
V
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