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参数资料
| 型号： | APW7077ZBI-TUL |
| 厂商： | Anpec Electronics Corporation |
| 元件分类： | DC/DC变换器 |
| 英文描述： | PWM Step-Up DC-DC Converter |
| 中文描述： | PWM升压型DC - DC转换器 |
| 文件页数： | 5/21页 |
| 文件大小： | 444K |
| 代理商： | APW7077ZBI-TUL |
Copyright
ANPEC Electronics Corp.
Rev. A.4 - S ep, 2005
APW 7077/ A
www.anpec.com.tw
5
Electrical Characteristics
( Cont.)
APW7077
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
Step-Up Section
V
IN
Minimum Operating Input
Voltage
Operating Voltage
0.7
V
1
5.5
V
APW7077_33, Io<10mA
0.9
V
APW7077_33, 10mA<Io<100mA
1.1
V
APW7077_50, Io<10mA
0.9
V
Start-up Voltage
APW7077_50, 10mA<Io<100mA
1.1
V
V
HOLD
f
SW
D
MAX
Power MOSFET
I
SOURCE
EXT Output Source Current Duty
≤
5%, EXT = 2.9V
I
SINK
EXT Output Sink Current
Control Section
Hold Voltage
I
LOAD
= 10mA
V
OUT
= 3.3VX96%
V
OUT
= 3.3VX96%
0.7
0.8
V
Operating Frequency
270
300
330
KHZ
Maximum Duty Cycle
81
88
95
%
-70
-110
-150
mA
Duty
≤
5%, EXT = 0.4V
80
120
160
mA
V
OUT
APW7077-33
I
IN
= 0mA
I
IN
= 0mA
3.218
3.3
3.383
V
APW7077-50
4.875
5
5.125
V
T
SS
Soft-start Time
10
25
40
ms
Soft-start Threshold Voltage Duty = 50%
1.65
V
Soft-start Hysteresis Voltage
150
mV
μ
A
μ
A
μ
A
μ
A
V
V
CE
= V
OUT
, V
OUT
= 0.96V
OUT
V
CE
= V
OUT
, V
OUT
= 1.04V
OUT
V
CE
= V
OUT
, V
OUT
= 1.3V
OUT
V
CE
= 0V
200
160
35
300
240
55
Iq
Operating Current
I
OFF
Stand-by Current
Switch-off Current
1
2
V
CE
Logic LOW (V
IL
)
Logic HIGH (V
IH
)
CE Pin Input Current
0.7
1.2
V
μ
A
I
CE
V
CE
= 0V
1
2
V
CE
= 2.0V
0.07
50
nA
(for all values T
A
= 25
°
C, V
OUT
= 3.3V, unless otherwise noted)
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