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