參數(shù)資料
型號(hào): KA3902
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類(lèi): 運(yùn)動(dòng)控制電子
英文描述: DC FAN Motor Controller
中文描述: BRUSH DC MOTOR CONTROLLER, 0.8 A, PDIP14
封裝: 0.300 INCH, DIP-14
文件頁(yè)數(shù): 5/14頁(yè)
文件大?。?/td> 127K
代理商: KA3902
FAN8902(KA3902)
5
Electrical Characteristics
(Unless otherwise, Ta=25
°
C, V
CC
=5V, V
M
=12V)
Parameter
REFERENCE
Reference Voltage
Line Regulation
Load Regulation
UNDER VOLTAGE LOCKOUT (UVLO)
Start Threshold Voltage
Threshold Hysteresis
PROTECTION
Over Voltage
OSCILLATOR (R
T
=75k
, C
T
=1
n
F)
Frequency
Duty Cycle
CURRENT SENSING INPUT
Threshold Voltage
OUTPUT DRIVER
Output Voltage Switching Limit
Symbol
Conditions
Min.
Typ.
Max.
Unit
Vref
Vref1
Vref2
Iref=1mA
V
CC
=9V ~ 32V
Iref=1mA ~ 10mA
4.75
-
-
5.0
50
10
5.25
150
50
V
mV
mV
V
TH(ST)
V
HYS
-
-
7.5
1.0
8.0
1.2
8.5
1.4
V
V
O
VP
-
33
36
-
V
fosc
Duty
-
-
20
90
25
95
30
-
kHz
%
V
TH(ST)
V
CMD
= 5V
0.19
0.20
0.21
V
V
OLIM
V
OL1
V
OL2
V
OH1
V
OH2
Tr
Tf
V
CC
= 18V, Cld =1nF
Iout = 20mA
Iout = 200mA
Iout = -20mA
Iout = -200mA
Cld = 1nF
Cld = 1nF
-
-
-
15
-
-
-
-
100
100
-
V
V
V
V
V
ns
ns
Low Output Voltage
0.4
2.2
-
-
200
200
High Output Voltage
10.0
9.0
-
-
Rising Time
Falling Time
TOTAL STANDBY CURRENT
Start-up Current
Operating Supply Current
I
ST
I
CC
V
CC
= 7V
V
CC
= 9V
-
-
1.0
6.0
1.5
8.0
mA
mA
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