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AP2004 Datasheet(PDF) 5 Page - Anachip Corp

Part # AP2004
Description  PWM Buck Controller
PDF  8 Pages
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Manufacturer  ANACHIP [Anachip Corp]
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Logo ANACHIP - Anachip Corp

AP2004 Datasheet(HTML) 5 Page - Anachip Corp

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AP2004
PWM Buck Controller
Anachip Corp.
www.anachip.com.tw
Rev. 0.4 Apr 6, 2004
5/8
Typical Application Circuit
L1
33uH
R1
R2
C3
470uF
Output
Step-Down DC/DC converter
C2
10nF
Optional
Vcc = 12V
P mos
Q1
C6 220nF
C5 50nF
C4 270pF
9K
3K
C1
470uF
5A
R3 10K~100K
C4
50nF
Optional
Typical Characteristics
REFERENCE OUTPUT VOLTAGE
v.s.
POWER-SUPPLY VOLTAGE
1.22
1.225
1.23
1.235
1.24
1.245
1.25
1.255
1.26
4
8
12
16
20
24
28
Vcc-Power Supply Voltage (V)
AVERAGE SUPPLY CURRENT
v.s.
POWER-SUPPLY VOLTAGE
0
1
2
3
4
5
0
4
8
121620
2428
Vcc - Power-Supply Voltgae (V)
AVERAGE SUPPLY CURRENT
v.s.
AMBIENT TEMPERATRUE
2
3
4
5
6
7
-50
-25
0
25
50
75
100
TA - Ambient Temperatrure(℃)
VCT v.s. Frequency
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0
100
200
300
Frequency (KHz)
VCT(min)
VCT(max)



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