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參數(shù)資料
| 型號： | MAX777LESA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Low-Voltage Input, 3V/3.3V/5V/ Adjustable Output, Step-Up DC-DC Converters |
| 中文描述： | 1 A SWITCHING REGULATOR, 150 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 0.150 INCH, SOIC-8 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 117K |
| 代理商： | MAX777LESA |
M
Low-Voltage Input, 3V /3.3V /5V /
Adjustable Output, S tep-Up DC-DC Converters
4
_______________________________________________________________________________________
__________________________________________Typic al Operating Charac teristic s
(Typical Operating Circuit, T
A
= +25°C, unless otherwise noted).
50
1
2
5
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE AND TEMPERATURE
60
M
INPUT VOLTAGE (V)
S
μ
A
70
80
3
4
40
10
20
30
0
7
6
T
A
= +85°C
T
A
= 0°C
T
A
= -40°C
2.0
1
2
5
MAX778L
SHDN THRESHOLD VOLTAGE
vs. INPUT VOLTAGE AND TEMPERATURE
2.5
M
INPUT VOLTAGE (V)
S
3.0
3.5
3
4
1.5
0.5
1.0
7
6
T
A
= +125°C
T
A
= -55°C
T
A
= +25°C
90
40
0.1
1
LOAD CURRENT (mA)
1000
MAX777L/MAX779L
EFFICIENCY vs. LOAD CURRENT
50
M
E
60
70
80
10
100
30
V
IN
= 4V
V
IN
= 2.5V
V
IN
= 1.8V
V
IN
= 1.5V
V
IN
= 1.1V
V
OUT
= 5V
90
40
0.1
1
LOAD CURRENT (mA)
1000
MAX778L
EFFICIENCY vs. LOAD CURRENT
50
M
E
60
70
80
10
100
30
V
IN
= 2.5V
V
IN
= 1.8V
V
IN
= 1.5V
V
IN
= 1.1V
V
OUT
= 3.3V OR 3.0V
300
50
0.5
1.0
INPUT VOLTAGE (V)
2.5
MAX777L/MAX779L
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
100
M
O
150
200
250
1.5
2.0
0
V
OUT
= 5V
350
50
0.5
1.0
MAX778L
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
100
M
INPUT VOLTAGE (V)
O
150
200
250
1.5
2.0
0
V
OUT
= 3.3V
300
300
200
1
2
5
NO-LOAD SUPPLY CURRENT
vs. VOLTAGE AND TEMPERATURE
220
M
SUPPLY VOLTAGE (V)
N
240
260
280
3
4
180
160
(SWITCH = OFF)
120
140
100
7
6
T
A
= -40°C
T
A
= +25°C
T
A
= 0°C
T
A
= +85°C
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