Anachip AP439P Pwm fan speed controller Datasheet

AP438/9
PWM Fan Speed Controller
„ Features
„ General Descriptions
- Built-in 30Khz OSC provide 0%~100% PWM
output
- Over Temperature Protector(OTP) flag.
(AP439 only).
- Open collect output(OTP & PWM pins).
- SIP-4L package for AP438.
- SIP-5L, SOP-8L package for AP439.
The AP438/9 series’s PWM output has built-in NPN
power transistor that controls the Fan current & Fan
speed. AP439 built-in over temperature alarm
flag.
„ Applications
- PC Power.
- DC Fan
„ Pin Descriptions
„ Pin Assignment
Name
Front View
AP438
VCC 2
VIN 3
AP439
PWM 4
Operating voltage input
VIN
Reference input voltage
OTP
Over Temperature protect flag.
PWM
PWM Open Collect Output.
GND
Ground
GND
PWM
VIN
VCC
8 GND
VCC
„ Ordering Information
SIP-4L
OTP 1
Description
AP439
AP43 X X X X
7 GND
Part Number
8
9
6 GND
5 GND
: AP438
: AP439
Package
Lead Free
P : SIP-4/5L Blank : Normal
S : SOP-8L L : Lead Free Package
Packing
Blank : Tube
or bulk
A
: Taping
GND
PWM
VIN
VCC
OTP
SOP-8L
SIP-5L
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev.0.5 Feb.12, 2004
1/8
AP438/9
PWM Fan Speed Controller
„ Block Diagrams
VCC
-
compartor
OTP
+
PWM
compartor
Oscillator
PWM
VIN
+
GND
„ Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
VCC
Supply Voltage
20
V
VIN
Input voltage
20
V
OTP
Over temperature output.
20
V
PWM
Output voltage to Ground
20
V
PD
Power dissipation (SIP-4/5L)
0.5
W
PD
Power dissipation (SOP-8L)
0.8
TST
Storage temperature range
-65 to 150
o
TOP
Operating temperature range
0 to +85
VOP
Operating voltage range
7.0 to 18
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C
C
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Rev.0.5 Feb.12, 2004
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AP438/9
PWM Fan Speed Controller
„ Electrical Characteristics
O
Unless otherwise specified, guaranteed for Tj=25 C , VCC=12V .
Symbol
Parameter
VCC
IIN
VIN
DUTY
VIN(OTP)
VIN(Release)
VIN(HS)
VIN(PWM0)
VIN(PWM100)
IS
Supply Voltage
Input Bias Current(VIN Pin)
Input Voltage Range
PWM duty cycle range
OTP Detect Voltage
OTP release Voltage
OTP detect Voltage Hysteresis
Max Input voltage of 0% PWM
Min Input voltage of 100% PWM
VPWM(ON)
IPWM
VOTP(L)
Conditions
Supply Current
VIN=2.0V,
OSC Frequency
Units
7.0
0.5
0
0
3.3
2.65
450
0.75
2.80
2
18
7
VCC-0.5
100
3.5
2.85
850
0.85
2.90
V
uA
V
%
V
V
mV
V
V
mA
1.3
V
3.4
2.75
650
0.8
2.85
2.5
500
OTP low level voltage
FOSC
Max.
1.1
Max. sink current
Max. sink current
Typ.
Output floating
IPWM=500mA
continued
PWM transistor ON voltage
IOTP
Min.
IOTP=20mA
mA
0.3
0.6
20
0OC<TJ<85OC
22
V
mA
30
38
Khz
„ Application Circuit
12V
AP439
12V
NTC
104P
FAN
1K
OTP
Anachip Corp.
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Rev.0.5 Feb.12, 2004
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AP438/9
PWM Fan Speed Controller
„ Typical Characteristics
Supply Current v.s. Suppy Voltage
2.51
1.095
2.5
1.09
2.49
Suppy Current (mA)
PWM ON Voltage (V)
PWM ON Voltage v.s. Suppy Voltage
1.1
1.085
1.08
1.075
1.07
1.065
2.48
2.47
2.46
2.45
2.44
2.43
2.42
1.06
7
8
9
7
10 11 12 13 14 15 16 17 18
8
9
10 11 12 13 14 15 16 17 18
Suppy Voltage (V)
Suppy Voltage (V)
32.4
Frequency (kHz)
32
31.6
31.2
30.8
30.4
30
29.6
0
PWM Transistor ON Voltage(V)
Frequency v.s. Temperature
32.8
-40 -20
50 100 150 200 250 300 350 400 450 500 550
System Loading (mA)
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-10
0
10
20
30
40
50
60
70
80
0
20 40 60 80 100 120 140
T em perature (℃)
PWM On Voltage v.s. Temperature
(Io=500mA)
PWM On Voltage v.s.Temperature
(Io=100mA)
PWM Transistor ON Voltage(V)
PWM ON Voltage (V)
PWM ON Voltage v.s. System Loading
1.15
1.1
1.05
1
0.95
0.9
0.85
0.8
0.75
0.7
0.65
0.6
0.55
0.5
1.065
1.06
1.055
1.05
1.045
1.04
1.035
1.03
1.025
-10
90 100
0
10 20 30 40 50 60 70 80 90 100
Temperature (℃)
Temperature (℃)
Anachip Corp.
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Rev.0.5 Feb.12, 2004
4/8
AP438/9
PWM Fan Speed Controller
„ Marking Information
(1) SIP4/5L
8:438
9:439
AP43 X
X XX X X
Blank: normal
L: Lead Free Package
Date code
ID code: internal
XX : Nth week
X :Year
(2) SOP-8L
( Top View )
8
5
AC
Logo
Part Number
AP439
Blank: normal
L: Lead Free Package
YY WW X X
4
1
ID code: internal
Xth week: 01~52
Year: "01" =2001
"02" =2002
~
SOP-8L
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev.0.5 Feb.12, 2004
5/8
AP438/9
PWM Fan Speed Controller
„ Package Information
(1) Package Type: SIP-4L ( unit: mm / [inch] )
5° ~ 7°
0.30 ± 0.1
[0.012 ± 0.004]
3° ~ 5°
1.55 ± 0.1
[0.061 ± 0.004]
5.22 ± 0.1[0.206 ± 0.004]
1.03 ± 0.1
[0.041 ± 0.004]
4.20 ± 0.1
[0.165 ± 0.004]
3.65 ± 0.1
AP438
1.42 ± 0.1
[0.056 ± 0.004]
3° ~ 5°
5° ~ 7 °
[0.144 ± 0.004]
0.46 ± 0.03
[0.018 ± 0.001]
0.2 Max.
[ 0.008 Max.]
14.25± 1.25
[0.561 ± 0.049]
1.27 ± 0.03
[0.050 ± 0.001]
0.38 ± 0.03
[0.015 ± 0.001]
0.38 ± 0.03
[0.015 ± 0.001]
3.81 ± 0.03
[0.150 ± 0.001]
Anachip Corp.
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Rev.0.5 Feb.12, 2004
6/8
AP438/9
PWM Fan Speed Controller
„ Package Information (Continued)
(2) Package Type: SIP-5L ( unit: mm / [inch] )
5.22 ± 0.1
[0.206 ± 0.003]
2 ° ~ 3°
2-0.3C
[0.079-0.012C]
2° ~ 5 °
1.55 ± 0.1
[0.061 ± 0.003]
4.2 REF
[0.165 REF]
0.73 ± 0.1
[0.029 ± 0.003]
2 ° ~ 3°
2° ~ 5°
3.65 ± 0.1
[0.144 ± 0.003]
AP439
0.48 ± 0.1
[0.019 ± 0.003]
14.3 ± 0.3
0.38 ± 0.03
[0.563 ± 0.012]
[0.015 ± 0.001]
0.95 ± 0.03
0.38 ± 0.03
[0.037 ± 0.001]
[0.015 ± 0.001]
Anachip Corp.
www.anachip.com.tw
Rev.0.5 Feb.12, 2004
7/8
AP438/9
PWM Fan Speed Controller
„ Package Information (Continued)
H
E
(3) Package Type: SOP-8L
L
VIEW "A"
D
0.015x45
7 (4X)
e
B
A1
C
A
A2
7 (4X)
VIEW "A"
y
Symbol
A
A1
A2
B
C
D
E
e
H
L
y
θ
Dimensions In Millimeters
Min.
Nom.
Max.
1.40
1.60
1.75
0.10
0.25
1.30
1.45
1.50
0.33
0.41
0.51
0.19
0.20
0.25
4.80
5.05
5.30
3.70
3.90
4.10
1.27
5.79
5.99
6.20
0.38
0.71
1.27
0.10
O
8O
0
Anachip Corp.
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Dimensions In Inches
Min.
Nom.
Max.
0.055
0.063
0.069
0.040
0.100
0.051
0.057
0.059
0.013
0.016
0.020
0.0075
0.008
0.010
0.189
0.199
0.209
0.146
0.154
0.161
0.050
0.228
0.236
0.244
0.015
0.028
0.050
0.004
O
0
8O
Rev.0.5 Feb.12, 2004
8/8
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