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参数资料
| 型号： | MAX1744EUB+T |
| 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： | MICRO MAX PACKAGE-10 |
| 文件页数： | 8/14页 |
| 文件大小： | 256K |
| 代理商： | MAX1744EUB+T |
MAX1744/MAX1745
High-Voltage, Step-Down DC-DC
Controller in MAX
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS
(VIN = SHDN = 5.5V to 36V, 3/5 = GND, ILOAD = 0, TA = -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
MAX
UNITS
Input Voltage Range
4.5
36
V
Supply Current into IN
SHDN = VIN = 5.5V to 36V
140
A
Shutdown Supply Current
SHDN = GND
12
A
3/5 = VL
4.85
5.15
Output Voltage (MAX1744)
3/5 = GND
3.20
3.40
V
OUT Input Current (MAX1744)
3/5 = VL, VOUT = 5V
44
A
FB Threshold Voltage (MAX1745)
Falling edge, hysteresis = 8mV
1.22
1.28
V
FB Input Current (MAX1745)
-50
50
nA
VH Output Voltage with Respect to IN
VIN = 5.5V to 36V, IVH = 100A to 20mA
-6.0V
-4.3V
V
VL Output Voltage
VIN = 5.5V to 36V, IVL = 100A to 2mA
4.5
5.5
V
VL Undervoltage Lockout
2.0
4.1
V
VCS = VOUT = 2.5V to 18V
85
115
CS Threshold Voltage
VCS = VOUT = GND
80
150
mV
VCS = VOUT = 2.5V to 18V
0
25
CS Input Current
VCS = VOUT = GND
-25
0
A
SHDN, 3/5 Logic-High Threshold
VIN = 4.5V to 36V
2.4
V
SHDN, 3/5 Logic-Low Threshold
VIN = 4.5V to 36V
0.4
V
3/5 Input Current
SHDN = GND
±1A
3/5 = GND
±1
SHDN Input Current
SHDN = 36V
12
A
EXT Resistance
20
Minimum EXT Off-Time
1.5
2.5
s
Minimum EXT On-Time
0.7
1.5
s
Reference Voltage
IREF = 0
1.22
1.28
V
REF Load Regulation
0
≤ IREF ≤ 100A
10
mV
REF Line Regulation
VIN = 4.5V to 36V, IREF = 0
60
V/V
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1745AUB+T | High-Voltage, Step-Down DC-DC Controller in µMAX |
| MAX1745EUB+T | High-Voltage, Step-Down DC-DC Controller in µMAX |
| MAX1744AUB+ | High-Voltage, Step-Down DC-DC Controller in µMAX |
| MAX1744EUB+ | High-Voltage, Step-Down DC-DC Controller in µMAX |
| MAX1745AUB+ | High-Voltage, Step-Down DC-DC Controller in µMAX |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1744EVKIT | 功能描述:DC/DC 开关控制器 Evaluation Kit for the MAX1744 MAX1745 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 |
| MAX1745AUB | 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 |
| MAX1745AUB+ | 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 |
| MAX1745AUB+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 |
| MAX1745AUB-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 |
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