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參數(shù)資料
| 型號： | HWD2001EUA |
| 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)： | 3/13頁 |
| 文件大?。?/td> | 787K |
| 代理商： | HWD2001EUA |
H
High-Effic ienc y, Low-S upply-Current,
Compac t, S tep-Up DC-DC Converters
3
ELECTRICAL CHARACTERISTICS
(V
BATT
= 2V, FB = OUT, R
L
=
∞
,
T
A
= -40°C to +85°C
, unless otherwise noted.) (Note 4)
V
OUT
= 2V, I
LOAD
= 1mA
V
FB
= 1V, V
OUT
= 3.3V
V
FB
= 1V, V
OUT
= 3.3V
V
OUT
= 3.3V, I
LOAD
= 200mA
SHDN
= GND
CONDITIONS
%
85
4
Efficiency
90
μA
0.1
1
Shutdown Current into OUT
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
HWD20012
, V
BATT
= 2V
V
LBO
= 5.5V, V
LBI
= 5.5V
V
LBI
= 0, I
SINK
= 1mA
V
SHDN
= 0 or V
OUT
HWD20012
, CLSEL = OUT
V
LBI
= 1.4V
V
FB
= 1.4V
0.8V
OUT
V
IH
0.2V
OUT
V
IL
CLSEL Input Voltage
V
0.8V
OUT
V
IH
0.2V
OUT
V
IL
SHDN
Input Voltage
88
150
Damping Switch Resistance
μA
0.07
1
I
LBO
LBO
Off Leakage Current
V
0.2
0.4
LBO
Low Output Voltage
nA
0.07
50
I
SHDN
SHDN
Input Current
μA
1.4
3
I
CLSEL
CLSEL Input Current
nA
1
50
I
LBI
LBI Input Current
nA
0.03
50
I
FB
FB Input Current
μs
0.8
1
1.2
t
OFF
LX Switch Off-Time
μs
3
7
t
ON
LX Switch On-Time
V
ELECTRICAL CHARACTERISTICS (continued)
(V
BATT
= 2V, FB = OUT (V
OUT
= 3.3V), R
L
= ˙
∞
,
T
A
= 0°C to +85°C
, unless otherwise noted. Typical values are at T
A
= +25°C.)
FB = GND
FB = OUT
V
FB
= 1V, V
OUT
= 3.3V
HWD20012
,
HWD20012
(CLSEL = OUT)
V
FB
= 1V, V
OUT
= 3.3V
SHDN
= GND
V
FB
= 1.4V, V
OUT
= 3.3V
I
REF
= 0
HWD2001
,
HWD20012
(CLSEL = GND)
CONDITIONS
0.36
0.69
A
0.75
1.25
I
LIM
LX Switch Current
Limit (NFET)
V
V
V
2.20
1.2675
1.2675
5.5
Output Voltage Range
Reference Voltage
FB, LBI Thresholds
V
4.75
5.25
3.13
3.47
V
OUT
Output Voltage
μs
0.75
1.25
t
OFF
LX Switch Off-Time
μs
2.7
7.0
t
ON
LX Switch On-Time
μA
1
Shutdown Current into OUT
μA
40
Operating Current into OUT
(Note 3)
1.3325
1.3325
V
REF
0.6
R
DS(ON)
Internal NFET, PFET
On-Resistance
UNITS
MIN
MAX
SYMBOL
PARAMETER
V
FB
= 1.4V, V
OUT
= 3.3V
μA
16
35
Operating Current into OUT
(Note 3)
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