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参数资料
| 型号： | MAX1744EUB+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | High-Voltage, Step-Down DC-DC Controller in µMAX |
| 中文描述： | SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | ROHS COMPLIANT, M0-187BA, UMAX-10 |
| 文件页数： | 11/15页 |
| 文件大小： | 299K |
| 代理商： | MAX1744EUB+ |
MAX1744/MAX1745
High-Voltage, Step-Down DC-DC
Controllers in MAX
_______________________________________________________________________________________
5
100
0
0.0001
0.001
0.01
0.1
1
10
EFFICIENCY vs. LOAD CURRENT
(VOUT = +3.3V)
20
MAX1744/5toc01
LOAD CURRENT (A)
EFFICIENCY
(%)
40
60
80
A: VIN = +5.5V
B: VIN = +12.0V
C: VIN = +24.0V
D: VIN = +36.0V
C
D
B
A
100
0
0.0001
0.001
0.01
0.1
1
10
EFFICIENCY vs. LOAD CURRENT
(VOUT = +5.0V)
20
MAX1744/5toc02
LOAD CURRENT (A)
EFFICIENCY
(%)
40
60
80
A: VIN = +7.2V
B: VIN = +12.0V
C: VIN = +24.0V
D: VIN = +36.0V
B
A
D
C
80
85
90
95
100
105
110
0
10203040
IN PIN QUIESCENT CURRENT
vs. INPUT VOLTAGE (5.5V TO 36V)
MAX1744/5toc03
INPUT VOLTAGE (V)
QUIESCENT
CURRENT
(μ
A)
0
1
4
5
6
3.5
4.5
5.5
IN PIN QUIESCENT CURRENT
vs. INPUT VOLTAGE (3.5V TO 5.5V)
MAX1744/5toc04
INPUT VOLTAGE (V)
QUIESCENT
CURRENT
(mA)
2
3
VOUT = 3.3V
0
60
40
20
80
120
100
140
0
10203040
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
MAX1744/5toc05
INPUT VOLTAGE (V)
SWITCHING
FREQUENCY
(kHz)
VOUT = 3.3V
IOUT = 2.0A
IN PIN QUIESCENT CURRENT
vs. TEMPERATURE
MAX1744/5toc06
TEMPERATURE (
°C)
QUIESCENT
CURRENT
(μ
A)
100
75
25
50
0
-25
86
87
88
89
90
91
92
93
94
95
85
-50
125
0
40
20
60
100
80
120
0
1000
2000
3000
4000
5000
EXT RISE AND FALL TIMES
vs. CAPACITANCE
MAX1744/5toc07
CAPACITANCE (pF)
t RISE
AND
t
FALL
(ns)
VIN = +5V
tFALL
tRISE
EXT RISE AND FALL TIMES
vs. TEMPERATURE
MAX1744/5toc08
TEMPERATURE (
°C)
t RISE
AND
t
FALL
(ns)
100
75
25
50
0
-25
5
10
15
20
25
30
35
40
45
50
0
-50
125
tRISE
tFALL
VIN = +5V
CL = 1000pF
CURRENT-SENSE TRIP LEVEL
vs. TEMPERATURE
MAX1744/5toc09
TEMPERATURE (
°C)
CURRENT-SENSE
TRIP
LEVEL
(mV)
100
75
50
25
0
-25
90
95
100
105
110
115
85
-50
125
Typical Operating Characteristics
(Circuit of Figure 1, TA = +25°C, unless otherwise specified.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1744EUB/V+ | 功能描述:DC/DC 开关控制器 Step-Down DC/DC Controller 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 |
| MAX1744EUB/V+T | 功能描述:DC/DC 开关控制器 Step-Down DC/DC Controller 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 |
| MAX1744EUB+ | 功能描述:DC/DC 开关控制器 Step-Down DC/DC Controller 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 |
| MAX1744EUB+ | 制造商:Maxim Integrated Products 功能描述:CONTROLLER STEP DOWN DC-DC 1744 制造商:Maxim Integrated Products 功能描述:CONTROLLER, STEP DOWN, DC-DC, 1744 |
| MAX1744EUB+T | 功能描述:DC/DC 开关控制器 Step-Down DC/DC Controller 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 |
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