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| 型号： | MAX744ACWE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 5V 0.75A 16SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 46 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 6 V ~ 16 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 185kHz |
| 电流 - 输出： | 750mA |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 16-SOIC W |
5V, Step-Down,
Current-Mode PWM DC-DC Converters
ABSOLUTE MAXIMUM RATINGS
Pin Voltages
V+ (MAX730A) ......................................................+12V, -0.3V
V+ (MAX738A/MAX744A) .....................................+18V, -0.3V
LX (MAX730A) .................................(V+ - 12V) to (V+ + 0.3V)
LX (MAX738A/MAX744A) ................(V+ - 21V) to (V+ + 0.3V)
OUT .................................................................................±25V
SS, CC, SHDN .........................................-0.3V to (V+ + 0.3V)
Peak Switch Current (I LX ) ........................................................2A
Reference Current (I REF ) ...................................................2.5mA
Operating Temperature Ranges:
MAX7_ _AC_ _....................................................0°C to +70°C
MAX7_ _AE_ _ .................................................-40°C to +85°C
MAX7_ _AMJA ..............................................-55°C to +125°C
Junction Temperatures:
MAX7_ _AC_ _/AE_ _...................................................+150°C
MAX7_ _AMJA.............................................................+175°C
Storage Temperature Range ............................-65°C to +160°C
Lead Temperature (soldering, 10sec).............................+300°C
Continuous Power Dissipation (T A = +70°C)
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C)...727mW
8-Pin SO (derate 5.88mW/°C above +70°C) ...............471mW
16-Pin Wide SO (derate 9.52mW/°C above +70°C) .....762mW
8-Pin CERDIP (derate 8.00mW/°C above +70°C) .......640mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 3, V+ = 9V for the MAX730A, V+ = 12V for the MAX738A/MAX744A, I LOAD = 0mA, T A = T MIN to T MAX ,
unless otherwise noted.)
PARAMETER
CONDITIONS
MAX730A
MIN TYP MAX
MAX738A
MIN TYP MAX
MAX744A
MIN TYP MAX
UNITS
0mA < I LOAD < 450mA,
MAX730AC
V+ = 6.0V
to 11.0V
0mA < I LOAD < 450mA,
MAX730AE
4.75 5.00
5.25
0mA < I LOAD < 300mA,
MAX730AM
0mA < I LOAD < 450mA,
MAX738AC/AE
0mA < I LOAD < 350mA,
Output Voltage
V+ = 6.0V
to 16.0V
MAX738AM
0mA < I LOAD < 500mA,
4.75 5.00
5.25
4.75 5.00
5.25
V
MAX744AC/AE
0mA < I LOAD < 375mA,
MAX744AM
V+ = 10.2V to 16.0V,
0mA < I LOAD < 750mA
0mA < I LOAD < 750mA,
4.75 5.00
5.25
V+ = 9.0V
to 16.0V
MAX744AC/AE
0mA < I LOAD < 600mA,
4.75 5.00
5.25
MAX744AM
Input Voltage
Range
Line Regulation
V+ = 5.2V to 11.0V
V+ = 6.0V to 16.0V
5.2
0.15
11.0
6.0
0.15
16.0
6.0
0.15
16.0
V
%/V
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX744ACWE+ | 功能描述:直流/直流开关转换器 5V Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX744ACWE+T | 功能描述:直流/直流开关转换器 5V Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX744ACWE-T | 功能描述:直流/直流开关转换器 5V Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX744AEPA | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX744AEPA+ | 功能描述:直流/直流开关转换器 5V Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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