參數(shù)資料
型號(hào)： MAX8548
廠商： Maxim Integrated Products, Inc.
英文描述： Low-Cost. Wide Input Range. Step-Down Controllers with Foldback Current Limit
中文描述： 低成本、寬輸入范圍、降壓型控制器，帶有折返式限流
文件頁數(shù)： 4/18頁
文件大?。?/td> 343K
代理商： MAX8548
M
Low-Cost, Wide Input Range, Step-Down
Controllers with Foldback Current Limit
4
_______________________________________________________________________________________
Typical Operating Characteristics
(V
IN
= V
L
= V
CC
= 5V, typical values are at T
A
= +25
°
C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 1; TABLE 1a)
M
LOAD CURRENT (A)
E
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
V
IN
= 3.3V
V
OUT
= 1.2V
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 1; TABLE 1a)
M
LOAD CURRENT (A)
E
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
V
IN
= 5V
V
OUT
= 1.8V
V
OUT
= 3.3V
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 2; TABLE 2a)
M
LOAD CURRENT (A)
E
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
V
OUT
= 1.8V
V
OUT
= 3.3V
V
IN
= 12V
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 2; TABLE 2a)
M
LOAD CURRENT (A)
E
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
V
IN
= 17V
V
OUT
= 3.3V
V
OUT
= 1.8V
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 1; TABLE 1b)
M
LOAD CURRENT (A)
E
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
V
OUT
= 1.8V
V
OUT
= 1.2V
V
IN
= 3.3V
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 1; TABLE 1b)
M
LOAD CURRENT (A)
E
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
V
OUT
= 3.3V
V
OUT
= 2.5V
V
OUT
= 1.8V
V
OUT
= 1.2V
V
IN
= 5V
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 2; TABLE 2b)
M
LOAD CURRENT (A)
E
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
V
OUT
= 3.3V
V
OUT
= 2.5V
V
OUT
= 1.8V
V
OUT
= 1.2V
V
IN
= 12V
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 2; TABLE 2b)
M
LOAD CURRENT (A)
E
1
0.1
10
20
30
40
50
60
70
80
90
100
0
0.01
10
V
OUT
= 3.3V
V
OUT
= 2.5V
V
OUT
= 1.8V
V
OUT
= 1.2V
V
IN
= 17V
CHANGE IN OUTPUT VOLTAGE
vs. LOAD CURRENT
M
LOAD CURRENT (A)
O
5
4
3
2
2.485
2.490
2.495
2.500
2.505
2.510
2.515
2.520
2.480
1
6
V
OUT
= 2.5V
V
IN
= 12V
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MAX8548EUB 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX8548EUB+ 功能描述:電壓模式 PWM 控制器 Wide Input Range Step-Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX8548EUB+T 功能描述:電壓模式 PWM 控制器 Wide Input Range Step-Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX8548EUB-T 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX8550AETI 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
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