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参数资料
| 型号： | APW7093QAI-TRL |
| 厂商： | Anpec Electronics Corporation |
| 英文描述： | 3A, 1MHz, Step Down DC/DC Regulator |
| 中文描述： | 第3A，1MHz的，下步直流/直流稳压器 |
| 文件页数： | 6/20页 |
| 文件大小： | 728K |
| 代理商： | APW7093QAI-TRL |
Copyright
ANPEC Electronics Corp.
Rev. A.5 - Jun., 2005
APW 7093
www.anpec.com.tw
6
Typical Application
LX
PGND
GND
FB
REF
SS
IN
VCC
EXTREF
TOFF
APW7093
L
220
μ
F
15m
0.1
μ
F
0.01
μ
F
33
μ
F
1
μ
F
V
EXTREF
R
TOFF
10
V
IN
V
OUT
SHDN
50K
R2
Fig2. Typical Applicatin Circuit
FOR VIN =5V: L=1mH, RTOFF=100kW
FOR VIN=3.3V: L=0.68mH, RTOFF=68kW
40
45
50
55
60
65
70
75
80
85
90
95
100
0
1
2
3
0
10
20
30
40
50
0
1
2
3
4
5
6
Typical Characteristics
(Circuit of Figure2, V
OUT
=1.25V, for V
IN
=3.3V: L: 0.68
μ
H, R
TOFF
=68k
;
for V
IN
=5V: L=1
μ
H, T
OFF
=100k
.
T
A
=25C
if not specially)
Effienciency vs. Output Current
Output Current(A)
E
V
IN
=5V, V
OUT
=3.3V
V
IN
=5V, V
OUT
=1.25V
V
IN
=3.3V, V
OUT
=1.25V
No Load Supply Current vs. Input Voltage
Input Voltage(V)
N
V
OUT
=1.25V
R
TOFF
=68k
V
IN
=5V, V
OUT
=2.5V
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