參數(shù)資料
型號: KA1H0265R
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: Fairchild Power Switch(SPS)(Fairchild 電源開關(guān))
中文描述: SWITCHING REGULATOR, 110 kHz SWITCHING FREQ-MAX, PSFM4
封裝: TO-220F, 4 PIN
文件頁數(shù): 4/12頁
文件大?。?/td> 74K
代理商: KA1H0265R
KA1M0265R/KA1H0265R
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)
Temperature Stability
(1)(2)
OSCILLATOR SECTION
Vref
Vref/
T
Ta=25
°
C
25
°
C
Ta
+85
°
C
4.80
-
5.00
0.3
5.20
0.6
V
mV/
°
C
Initial accuracy
F
OSC
KA1M0265R
KA1H0265R
25
°
C
Ta
+85
°
C
61
90
-
67
100
±
5
73
110
±
10
kHz
Frequency change with temperature
(2)
PWM SECTION
F/
T
%
Maximum duty cycle
Dmax
KA1M0265R
KA1H0265R
74
64
77
67
80
70
%
FEEDBACK SECTION
Feedback source current
Shutdown delay current
OVER CURRENT PROTECTION SECTION
Over current protection
UVLO SECTION
Start threshold voltage
Minimum operating voltage
TOTAL STANDBY CURRENT SECTION
Start current
Operating supply current
(control part only)
V
CC
zener voltage
SHUTDOWN SECTION
Shutdown Feedback voltage
Thermal shutdown temperature (Tj)
(1)
Over voltage protection voltage
I
FB
Idelay
Ta=25
°
C, 0V
Vfb
3V
Ta=25
°
C, 5V
Vfb
V
SD
0.7
4.0
0.9
5.0
1.1
6.0
mA
μ
A
I
L(max)
Max. inductor current
1.05
1.2
1.35
A
Vth(H)
Vth(L)
-
14
9
15
10
16
11
V
V
After turn on
I
ST
V
CC
=14V
0.1
0.3
0.4
mA
I
OPR
Ta=25
°
C
6
12
18
mA
V
Z
I
CC
=20mA
30
32.5
35
V
V
SD
T
SD
V
OVP
-
-
-
6.9
140
23
7.5
160
25
8.1
-
28
V
°
C
V
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