参数资料
型号: MAX8548EUB+
厂商: Maxim Integrated Products
文件页数: 4/18页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 10-UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
PWM 型: 电压模式
输出数: 1
频率 - 最大: 120kHz
占空比: 95%
电源电压: 2.7 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 管件
Low-Cost, Wide Input Range, Step-Down
Controllers with Foldback Current Limit
Typical Operating Characteristics
(V IN = VL = V CC = 5V, typical values are at T A = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
100
90
80
70
(CIRCUIT OF FIGURE 1; TABLE 1a)
100
90
80
70
(CIRCUIT OF FIGURE 1; TABLE 1a)
V OUT = 3.3V
V OUT = 1.8V
100
90
80
70
(CIRCUIT OF FIGURE 2; TABLE 2a)
V OUT = 3.3V
V OUT = 1.8V
60
50
40
30
20
60
50
40
30
20
60
50
40
30
20
10
0
V IN = 3.3V
V OUT = 1.2V
10
0
V IN = 5V
10
0
V IN = 12V
0.01
0.1
1
10
0.01
0.1
1
10
0.01
0.1
1
10
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
100
90
80
70
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 2; TABLE 2a)
V OUT = 3.3V
V OUT = 1.8V
100
90
80
70
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 1; TABLE 1b)
V OUT = 1.8V
100
90
80
70
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 1; TABLE 1b)
V OUT = 3.3V
V OUT = 2.5V
V OUT = 1.8V
60
60
60
50
40
30
20
50
40
30
20
V OUT = 1.2V
50
40
30
20
V OUT = 1.2V
10
0
V IN = 17V
10
0
V IN = 3.3V
10
0
V IN = 5V
0.01
0.1
1
10
0.01
0.1
1
10
0.01
0.1
1
10
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
100
90
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 2; TABLE 2b)
V OUT = 3.3V
100
90
EFFICIENCY vs. LOAD CURRENT
(CIRCUIT OF FIGURE 2; TABLE 2b)
V OUT = 3.3V
2.520
2.515
CHANGE IN OUTPUT VOLTAGE
vs. LOAD CURRENT
V OUT = 2.5V
V IN = 12V
80
70
V OUT = 2.5V
V OUT = 1.8V
80
70
V OUT = 2.5V
V OUT = 1.8V
2.510
60
60
2.505
50
40
30
20
10
0
V OUT = 1.2V
V IN = 12V
50
40
30
20
10
0
V OUT = 1.2V
V IN = 17V
2.500
2.495
2.490
2.485
2.480
0.01
0.1
1
10
0.01
0.1
1
10
1
2
3
4
5
6
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
4
_______________________________________________________________________________________
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MAX8548EUB+ 功能描述:电压模式 PWM 控制器 Wide Input Range Step-Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
MAX8548EUB+T 功能描述:电压模式 PWM 控制器 Wide Input Range Step-Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
MAX8548EUB-T 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX8550AETI 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel
MAX8550AETI+ 功能描述:电压模式 PWM 控制器 Integrated DDR Power Supply Solution RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel