參數(shù)資料
型號: AP438
英文描述: PWM Fan Speed Controller
中文描述: PWM風扇轉速控制器
文件頁數(shù): 3/8頁
文件大小: 153K
代理商: AP438
AP438/9
PWM Fan Speed Controller
Electrical Characteristics
Anachip Corp.
www.anachip.com.tw
Rev.0.5 Feb.12, 2004
3/8
Unless otherwise specified, guaranteed for Tj=25
O
C , V
CC
=12V .
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
V
CC
I
IN
V
IN
DUTY
V
IN(OTP)
V
IN(Release)
V
IN(HS)
V
IN(PWM0)
V
IN(PWM100)
Min Input voltage of 100% PWM
I
S
Supply Current
Supply Voltage
Input Bias Current(V
IN
Pin)
Input Voltage Range
PWM duty cycle range
OTP Detect Voltage
OTP release Voltage
OTP detect Voltage Hysteresis
Max Input voltage of 0% PWM
7.0
0.5
0
0
3.3
2.65
450
0.75
2.80
-
2
18
7
V
uA
V
%
V
V
mV
V
V
mA
V
IN
=2.0V,
Output floating
I
PWM
=500mA
continued
I
OTP
=20mA
0
O
C<T
J
<85
O
C
VCC-0.5
100
3.5
2.85
850
0.85
2.90
3.4
2.75
650
0.8
2.85
2.5
V
PWM(ON)
PWM transistor ON voltage
1.1
1.3
V
I
PWM
V
OTP(L)
I
OTP
F
OSC
Max. sink current
OTP low level voltage
Max. sink current
OSC Frequency
500
20
22
mA
V
mA
Khz
0.3
30
0.6
38
Application Circuit
AP439
12V
NTC
12V
OTP
FAN
1K
104P
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