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| 型号： | MAX748ACPA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 3.3V 0.5A 8DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3.3V |
| 输入电压： | 3.3 V ~ 16 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 200kHz |
| 电流 - 输出： | 500mA |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 包装： | 管件 |
| 供应商设备封装： | 8-PDIP |
3.3V, Step-Down,
Current-Mode PWM DC-DC Converters
ABSOLUTE MAXIMUM RATINGS
Pin Voltages:
V+ (MAX748A) ......................................................+17V, -0.3V
V+ (MAX763A) ......................................................+12V, -0.3V
LX (MAX748A) .................................(V+ - 21V) to (V+ + 0.3V)
LX (MAX763A) .................................(V+ - 12V) to (V+ + 0.3V)
OUT .................................................................................±25V
SS, CC, SHDN ..........................................-0.3V to (V+ + 0.3V)
Peak Switch Current (I LX ) .....................................................2.0A
Reference Current (I REF ) ...................................................2.5mA
Continuous Power Dissipation (T A = +70°C)
8-Pin Plastic DIP (derate 6.90mW/°C above +70°C)...552mW
16-Pin Wide SO (derate 9.52mW/°C above +70°C)....762mW
8-Pin CERDIP (derate 8.00mW/°C above +70°C) .......640mW
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/E ..............................................................+150°C
MAX7_ _ AM .................................................................+175°C
Storage Temperature Range ............................-65°C to +160°C
Lead Temperature (soldering, 10sec) ............................+300°C
8-Pin SO (derate 5.88mW/°C above +70°C) ...............471mW
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+ = 5V, I LOAD = 0mA, T A = T MIN to T MAX , unless otherwise noted.)
PARAMETER
Input Voltage Range
CONDITIONS
MIN
3.3
MAX748A
TYP MAX
16.0
MIN
3.3
MAX763A
TYP MAX
11.0
UNITS
V
C/E temp. ranges,
V+ = 4.0V to 16V,
3.135
3.3
3.465
0mA < I LOAD < 300mA
M temp. range,
V+ = 4.0V to 16V,
3.135
3.3
3.465
0mA < I LOAD < 250mA
C/E temp. ranges,
V+ = 4.75V to 16V,
3.135
3.3
3.465
0mA < I LOAD < 500mA
M temp. range,
Output Voltage
V+ = 4.75V to 16V,
0mA < I LOAD < 400mA
3.135
3.3
3.465
V
C/E temp. ranges,
V+ = 4.0V to 11V,
3.135
3.3
3.465
0mA < I LOAD < 300mA
M temp. range,
V+ = 4.0V to 11V,
3.135
3.3
3.465
0mA < I LOAD < 250mA
C/E temp. ranges,
V+ = 4.75V to 11V,
3.135
3.3
3.465
0mA < I LOAD < 500mA
M temp. range,
V+ = 4.75V to 11V,
3.135
3.3
3.465
0mA < I LOAD < 400mA
Line Regulation
0.13
0.13
%/V
Load Regulation
I LOAD = 0mA to 500mA
0.001
0.001
%/mA
2
________________________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX748ACPA+ | 功能描述:直流/直流开关转换器 3.3V 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 |
| MAX748ACWE | 功能描述:直流/直流开关转换器 3.3V 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 |
| MAX748ACWE+ | 功能描述:直流/直流开关转换器 3.3V 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 |
| MAX748ACWE+T | 功能描述:直流/直流开关转换器 3.3V 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 |
| MAX748ACWE-T | 功能描述:直流/直流开关转换器 3.3V 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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