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參數(shù)資料
| 型號： | HWD20011EUA |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
| 中文描述： | 高效率，低電源電流，結(jié)構(gòu)緊湊，升壓型DC - DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 787K |
| 代理商： | HWD20011EUA |
H
High-Effic ienc y, Low-S upply-Current,
Compac t, S tep-Up DC-DC Converters
4
Typic al Operating Charac teristic s
(L = 22μH, C
IN
= 47μF, C
OUT
= 47μF
0.1μF, C
REF
= 0.1μF, T
A
= +25°C, unless otherwise noted.)
V
LBO
= 5.5V, V
LBI
= 5.5V
V
SHDN
= 0 or V
OUT
HWD20012
, CLSEL = OUT
CONDITIONS
μA
1
I
LBO
LBO
Off Leakage Current
nA
75
I
SHDN
SHDN
Input Current
μA
3
I
CLSEL
CLSEL Input Current
UNITS
MIN
MAX
SYMBOL
PARAMETER
ELECTRICAL CHARACTERISTICS (continued)
(V
BATT
= 2V, FB = OUT, R
L
=
∞
,
T
A
= -40°C to +85°C
, unless otherwise noted.) (Note 4)
Note 1:
Start-up voltage operation is guaranteed with the addition of a Schottky MBR0520 external diode between the input and
output.
Note 2:
Steady-state output current indicates that the device maintains output voltage regulation under load. See Figures 5 and 6.
Note 3:
Device is bootstrapped (power to the IC comes from OUT). This correlates directly with the actual battery supply.
Note 4:
Specifications to -40°C are guaranteed by design, not production tested.
100
0
0.01
0.1
1
10
100
1000
EFFICIENCY vs. LOAD CURRENT
20
30
10
H
LOAD CURRENT (mA)
E
40
50
60
70
90
80
V
IN
= 1.2V
V
OUT
= 5V
I
LIMIT
= 500mA
V
IN
= 2.4V
V
IN
= 3.6V
100
0
0.01
0.1
1
10
100
1000
EFFICIENCY vs. LOAD CURRENT
20
30
10
H
LOAD CURRENT (mA)
E
40
50
60
70
90
80
V
IN
= 1.2V
V
OUT
= 5V
I
LIMIT
= 1A
V
IN
= 2.4V
V
IN
= 3.6V
100
0
0.01
0.1
1
10
100
1000
EFFICIENCY vs. LOAD CURRENT
20
30
10
H
LOAD CURRENT (mA)
E
40
50
60
70
90
80
V
IN
= 1.2V
V
OUT
= 3.3V
I
LIMIT
= 500mA
V
IN
= 2.4V
100
0
0.01
0.1
1
10
100
1000
EFFICIENCY vs. LOAD CURRENT
20
30
10
H
LOAD CURRENT (mA)
E
40
50
60
70
90
80
V
IN
= 1.2V
V
OUT
= 3.3V
I
LIMIT
= 1A
V
IN
= 2.4V
1.290
1.292
1.296
1.294
1.298
1.300
-40
0
-20
20
40
60
80
100
REFERENCE OUTPUT VOLTAGE
vs. TEMPERATURE
H
TEMPERATURE (°C)
R
I
REF
= 0
I
REF
= 100
μ
A
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