參數(shù)資料
型號(hào): KA7526
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: Tantalum Conformal-Coated Capacitor; Capacitance: 1uF; Voltage: 25V; Case Size: 3.2x1.2 mm; Packaging: Tape & Reel
中文描述: 0.5 A POWER FACTOR CONTROLLER, 20 kHz SWITCHING FREQ-MAX, PDIP8
封裝: DIP-8
文件頁(yè)數(shù): 5/22頁(yè)
文件大小: 250K
代理商: KA7526
KA7526
5
Electrical Characteristics
Unless otherwise specified, for typical values Vcc=12V, Ta=25
o
C, for Min/Max values Ta is the operating ambient temperature range
with
-25
o
C
Ta
125
o
C
.
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
UNDER VOLTAGE LOCK OUT SECTION
Start Threshold Voltage
UVLO Hysteresis
Supply Zener Voltage
SUPPLY CURRENT SECTION
Start Up Supply Current
Operating Supply Current
Dynamic Operating Supply Current
ERROR AMPLIFIER SECTION
Vth (st)
HY(st)
Vz
V
CC
Increasing
12
4
30
13
5
36
14
6
-
V
V
V
-
I
CC
=10mA
Ist
I
CC
Idcc
V
CC
<Vth(st)
Output not switching
50kHz, CI=1nF
-
-
-
0.3
4
5
0.4
8
10
mA
mA
mA
Voltage Feedback Input Threshold
Vref
Iref=0mA,-
25
o
C
Ta
125
o
C
12V
Vcc
25V
0mA
Iref
2mA
-25
o
C
Ta
125
o
C
2.44
-
2.56
V
Line Regulation
Load Regulation
(Note1)
Temperature Stability of Vref
(Note2)
Input Bias Current
Output Source Current
Output Sink Current
Output Voltage Range
(Note2)
Slew Rate
MULTIPLIER SECTION
Input Bias Current (pin3)
M1 Input Voltage Range (pin3)
M2 Input Voltage Range (pin2)
Vref1
Vref2
Vref3
Ib(ea)
Isource
Isink
Veao
SR
-
-
-
0.1
0.1
20
-
-4.5
4.5
-
0.6
10
10
-
0.5
-
-
5.6
-
mV
mV
mV
μ
A
mA
mA
V
V/
μ
s
-
-0.5
-2
3
1.2
-
Vm2=3V
Vm2=2V
No Load on E.A Output
-
Ib(m)
Vm1
Vm2
-
-
-
-0.5
0
Vref
-
-
-
0.5
3.8
μ
A
V
V
Vref+2
Multiplier Gain
(Note3)
K
Vm1=1V,
Vm2=2.7 to 3.3V
Vea(-)=0V, Vm1=2V
-25
o
C
Ta
125
o
C
0.49
0.62
0.74
1/V
Maximum Multiplier Output Voltage
Temperature Stability of K
(Note2)
Vomax(m)
K/
T
1.55
-
1.65
-0.2
1.75
-
V
%/
o
C
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