參數(shù)資料
型號(hào): AP2004SLA
英文描述: PWM Buck Controller
中文描述: PWM降壓控制器
文件頁數(shù): 5/8頁
文件大?。?/td> 175K
代理商: AP2004SLA
AP2004
PWM Buck Controller
Typical Application Circuit
Anachip Corp.
www.anachip.com.tw Rev. 0.4 Apr 6, 2004
5/8
L1
33uH
R1
9K
R2
3K
C3
470uF
Output
Step-Down DC/DC converter
C2
10nF
Optional
Vcc = 12V
P mos
Q1
1
2
3
8
7
6
5
4
O
F
V
C
G
S
S
C
C6 220nF
C5 50nF
C4 270pF
C1
470uF
5A
R3 10K~100K
C4
50nF
Optional
Typical Characteristics
REFERENCE OUTPUT VOLTAGE
v.s.
POWER-SUPPLY VOLTAGE
1.26
1.22
1.225
1.23
1.235
1.24
1.245
1.25
1.255
4
8
12
16
20
24
28
Vcc-Power Supply Voltage (V)
V
R
O
(
AVERAGE SUPPLY CURRENT
v.s.
POWER-SUPPLY VOLTAGE
5
0
1
2
3
4
0
4
8
12
16
20
24
28
Vcc - Power-Supply Voltgae (V)
I
S
(
AVERAGE SUPPLY CURRENT
v.s.
AMBIENT TEMPERATRUE
7
2
3
4
5
6
-50
-25
0
25
50
75
100
T
A
- Ambient Temperatrure(
)
I
C
S
(
V
CT
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)
V
C
VCT(min)
VCT(max)
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