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AP438PL Scheda tecnica(PDF) 3 Page - Anachip Corp

Il numero della parte AP438PL
Spiegazioni elettronici  PWM Fan Speed Controller
PDF  8 Pages
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Produttore elettronici  ANACHIP [Anachip Corp]
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AP438PL Scheda tecnica(HTML) 3 Page - Anachip Corp

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AP438/9
PWM Fan Speed Controller
Anachip Corp.
www.anachip.com.tw
Rev.0.5 Feb.12, 2004
3/8
Electrical Characteristics
Unless otherwise specified, guaranteed for Tj=25
OC , VCC=12V .
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
VCC
Supply Voltage
7.0
-
18
V
IIN
Input Bias Current(VIN Pin)
VIN=2.0V,
0.5
2
7
uA
VIN
Input Voltage Range
0
VCC-0.5
V
DUTY
PWM duty cycle range
0
100
%
VIN(OTP)
OTP Detect Voltage
3.3
3.4
3.5
V
VIN(Release)
OTP release Voltage
2.65
2.75
2.85
V
VIN(HS)
OTP detect Voltage Hysteresis
450
650
850
mV
VIN(PWM0)
Max Input voltage of 0% PWM
0.75
0.8
0.85
V
VIN(PWM100) Min Input voltage of 100% PWM
2.80
2.85
2.90
V
IS
Supply Current
Output floating
2.5
mA
VPWM(ON)
PWM transistor ON voltage
IPWM=500mA
continued
1.1
1.3
V
IPWM
Max. sink current
500
mA
VOTP(L)
OTP low level voltage
IOTP=20mA
0.3
0.6
V
IOTP
Max. sink current
20
mA
FOSC
OSC Frequency
0
OC<T
J<85
OC
22
30
38
Khz
Application Circuit
AP439
12V
NTC
12V
OTP
FAN
1K
104P



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