參數(shù)資料
型號(hào): KA3524
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SMPS Controller
中文描述: 0.1 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDIP16
封裝: DIP-16
文件頁(yè)數(shù): 3/12頁(yè)
文件大?。?/td> 103K
代理商: KA3524
KA3524
3
Electrical Characteristics
(V
IN
=20V, f=20KHz, T
A
=0
°
C to +70
°
C, unless otherwise specified)
Parameter
Symbol
Conditions
Min. Typ. Max.
Unit
COMPARATOR SECTION
Maximum Duty Cycle
Input Threshold (Pin 9)
Input Threshold (Pin 9)
Input Bias Current
CURRENT LIMITING SECTION
D
(MAX)
V
TH1
V
TH2
I
BIAS
% Each output on
Zero duty cycle
Maximum duty cycle
45
-
-
-
-
1
-
-
-
-
%
V
V
μ
A
3.5
1
-
Sense Voltage
V
SENSE
V
2
- V
1
50mV
V
9
= 2V, T
A
= 25
°
C
180
200
220
mV
Temperature Coefficient of Vsense
V
SENSE
/
T
Common-Mode Voltage
OUTPUT SECTION (EACHOUTPUT)
Collector-Emitter Voltage
Collector Leakage Current
Saturation Voltage
Emitter Output Voltage
Rise Time (10 to 90)
Fall Time (90 to 10)
-
-
-
0.2
-
-
1
mV/
°
C
V
V
CM
0.7
V
CEO
I
LKG
V
CE(SAT)
V
E
t
R
t
F
-
40
-
-
17
-
-
-
-
V
μ
A
V
V
μ
s
μ
s
V
CE
= 40V
I
C
= 50mA
V
C
= 20V
R
C
= 2K
, T
A
= 25
°
C
R
C
= 2K
, T
A
= 25
°
C
V
CC
=40V, PINS 1,4,7,8,11
and 14 are grounded, V
2
=2V
All other inputs and Outputs open
0.1
1
18
0.2
0.1
50
2
-
-
-
Supply Current
I
CC
-
5
10
mA
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