參數(shù)資料
型號(hào)： AP1604A
英文描述： PWM/PFM Dual Mode Step-down DC/DC Converter
中文描述： PWM / PFM切換雙模式升壓型DC / DC轉(zhuǎn)換器
文件頁(yè)數(shù)： 3/7頁(yè)
文件大小： 202K
代理商： AP1604A
AP1604
PWM/PFM Dual Mode Step-down DC/DC Converter
Electrical Characteristics
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Jun. 27, 2005
3/7
V
IN
=5V, V
OUT
＝
2V, Load=300mA, Ta=25°C
Sym.
Parameter
V
FB
FB
V
IN
Input Voltage
Line Regulation
Load Regulation
UVLO Voltage
（
min.
operating voltage
）
I
CC
Operating Current
Conditions
Min.
0.975
2.2
-
-
Typ.
1.0
-
-
-
Max.
1.025
5.5
0.12
1.2
Units
V
V
%
%
V
IN
=2.2~5.5V, Load=10mA
I
OUT
=10~800mA
V
CC
, voltage required to maintain H at
V
OUT
CE/SS=V
IN
,
No Load
No external components,
CE/SS=V
IN
,
V
FB
=1.2V
No external components,
CE/SS=0V,
V
FB
=0V
peak current
V
IN
=5V, V
OUT
=2V
V
UVLO
-
-
2
V
-
100
150
μ
A
I
CCQ
Supply Current
-
90
120
μ
A
I
STB
Stand-by Current
-
2
-
μ
A
I
CL
Current Limit
800
1000
1200
mA
Fosc
MAXDTY Maximum Duty Ratio
PFMDTY PFM Duty Ratio
CE/SS ”High” Voltage V
OUT
”High”
V
CEL
CE/SS ”Low” Voltage Same as V
CEH
, determine V
OUT
/”Low”
EFFI
Efficiency
V
CC
=5V, V
OUT
=3.3V, Load=300mA
Rdson Rdson Condition
I
OUT
=300mA, V
IN
=5V, V
OUT
=2V
Oscillator Frequency Load=300mA, V
IN
=5V, V
OUT
=2V
500
85
15
600
90
25
700
-
35
kHz
%
%
No load
V
CEH
1.4
-
-
V
-
-
-
-
0.6
-
450
V
%
m
93
350
Typical Performance Characteristics
Vcc v.s. Operating Current
Vcc v.s. Quiescent Current
0
20
40
60
80
100
120
140
160
180
200
2.5
3
3.5
4
4.5
5
5.5
Vcc (V)
O
0
20
40
60
80
100
120
140
160
180
200
2.5
3
3.5
4
4.5
5
5.5
Vcc (V)
Q
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AP1604A_09 制造商:DIODES 制造商全稱:Diodes Incorporated 功能描述:PWM/PFM DUAL MODE STEP-DOWN DC/DC
AP1604ASNA 制造商:ANACHIP 制造商全稱:Anachip Corp 功能描述:PWM/PFM Dual Mode Step-down DC/DC Converter
AP1604AW 制造商:DIODES 制造商全稱:Diodes Incorporated 功能描述:PWM/PFM DUAL MODE STEP-DOWN DC/DC CONVERTER
AP1604AWA 制造商:ANACHIP 制造商全稱:Anachip Corp 功能描述:PWM/PFM Dual Mode Step-down DC/DC Converter
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