參數資料
型號: KA2S0680
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: KPT05-16-8S
中文描述: 4.48 A SWITCHING REGULATOR, 150 kHz SWITCHING FREQ-MAX, PSFM5
封裝: TO-3P, 5 PIN
文件頁數: 4/8頁
文件大小: 139K
代理商: KA2S0680
KA2S0680
SPS
4
NOTES:
1.
2.
3.
These parameters, although guaranteed, are not 100% tested in production
These parameters, although guaranteed, are tested in EDS (wafer test) process
The amplitude of the sync. pulse is recommended to be between 2V and 3V for stable sync. function.
ELECTRICAL CHARACTERISTICS (Control part)
(Ta=25
°
C unless otherwise specified)
Characteristic
Symbol
Test condition
Min.
Typ.
Max.
Unit
REFERENCE SECTION
Output voltage
(1)
Temperature Stability
(1)(2)
Vref
Ta=25
°
C
4.80
5.00
5.20
V
Vref/
T
25
°
C
Ta
+85
°
C
0.3
0.6
mV/
°
C
OSCILLATOR SECTION
Initial accuracy
Frequency change with temperature
(2)
Sync threshold voltage
(3)
F
OSC
F/
T
Ta=25
°
C
18
20
22
kHz
25
°
C
Ta
+85
°
C
±
5
±
10
%
V
SYTH
Vfb=5V
6.0
6.4
6.8
V
PWM SECTION
Maximum duty cycle
Dmax
92
95
98
%
FEEDBACK SECTION
Feedback source current
I
FB
Idelay
Ta=25
°
C, Vfb=GND
0.7
0.9
1.1
mA
Shutdown delay current
Ta=25
°
C, 5V
Vfb
V
SD
1.4
1.8
2.2
μ
A
OVER CURRENT PROTECTION SECTION
Over current protection
I
L
(max)
Max. inductor current
3.52
4.00
4.48
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
I
ST
I
OPR
V
CC
=14V
Ta=25
°
C
0.1
0.3
0.55
mA
Operating supply current
(control part only)
6
12
18
mA
V
CC
zener voltage
SHUTDOWN SECTION
V
Z
I
CC
=20mA
30
32.5
35
V
Shutdown Feedback voltage
Thermal shutdown temperature (Tj)
(1)
V
SD
T
SD
V
OVP
6.9
7.5
8.1
V
140
160
°
C
Over voltage protection voltage
23
25
28
V
SOFT START SECTION
Soft start current
I
SS
V
SS
Sync & S/S=GND
0.8
1.0
1.2
mA
Soft start voltage
V
FB
=2V
4.7
5.0
5.3
V
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