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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)： | 5/13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
5
0
40
20
100
80
60
140
120
160
0
1.5 2.0
0.5 1.0
2.5 3.0 3.5 4.0 4.5
NO-LOAD BATTERY CURRENT
vs. INPUT BATTERY VOLTAGE
H
INPUT BATTERY VOLTAGE (V)
I
μ
A
I
LIMIT
= 1A, 5.0V
I
LIMIT
= 0.5A, 5.0V
I
LIMIT
= 0.5A, 3.3V
I
LIMIT
= 1A, 3.3V
1.8
0
0.01
1
10
0.1
100
START-UP VOLTAGE
vs. LOAD CURRENT
0.2
0.4
H
LOAD CURRENT (mA)
S
0.8
0.6
1.0
1.2
1.4
1.6
WITHOUT DIODE
WITH 1N5817
-1.0
-0.6
-0.8
-0.2
-0.4
0.2
0
0.4
0.8
0.6
1.0
1
2.0 2.5 3.0
SUPPLY VOLTAGE (V)
1.5
3.5 4.0 4.5 5.0 5.5
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
H
S
μ
A
0
0.4
0.2
0.8
0.6
1.2
1.0
1.4
0
1.0 1.5
0.5
2.0 2.5 3.0 3.5 4.0 4.5 5.0
SUPPLY VOLTAGE (V)
SHUTDOWN THRESHOLD
vs. SUPPLY VOLTAGE
H
S
0
200
100
500
300
400
800
700
600
900
1.0
2.0
1.5
2.5
3.0
3.5
4.0
4.5
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE (V
OUT
= 5V)
H
INPUT VOLTAGE (V)
M
1A CURRENT LIMIT
0.5A CURRENT LIMIT
0
200
100
400
300
600
500
800
700
1.0
1.4 1.6
1.2
1.8 2.0 2.2 2.4 2.6 2.8 3.0
INPUT VOLTAGE (V)
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE (V
OUT
= 3.3V)
H
M
0.5A CURRENT LIMIT
1A CURRENT LIMIT
Typic al Operating Charac teristic s (c ontinued)
(L = 22μH, C
IN
= 47μF, C
OUT
= 47μF
0.1μF, C
REF
= 0.1μF, T
A
= +25°C, unless otherwise noted.)
1
μ
s/div
HEAVY-LOAD SWITCHING WAVEFORMS
V
LX
5V/div
I
LX
0.5A/div
V
OUT
AC COUPLED
100mV/div
V
IN
= 2.4V
V
OUT
= 5.0V
0
0.4
0.2
0.8
0.6
1.0
1.2
2.0
3.0
OUTPUT VOLTAGE (V)
3.5
2.5
4.0
4.5
5.0
LX CURRENT LIMIT
vs. OUTPUT VOLTAGE
H
I
L
HWD20011, HWD20012 (CLSEL = OUT)
HWD2001,HWD20012 (CLSEL = GND)
0
0.15
0.10
0.05
0.25
0.20
0.35
0.30
0.45
0.40
-60
-20
-40
0
20
40
60
80
100
SWITCH RESISTANCE vs. TEMPERATURE
H
TEMPERATURE (
°
C)
R
)
P-CHANNEL
N-CHANNEL
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