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参数资料
| 型号： | MAX757CSA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/9页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 0.3A 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.7 V ~ 5.5 V |
| 输入电压： | 0.7 V ~ 5.5 V |
| 频率 - 开关： | 500kHz |
| 电流 - 输出： | 300mA |
| 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-SOIC |
MAX756/MAX757
3.3V/5V/Adjustable-Output,
Step-Up DC-DC Converters
Rectifier Diode
The ESR of both bypass and filter capacitors affects
efficiency. Best performance is obtained by using spe-
cialized low-ESR capacitors, or connecting two or more
filter capacitors in parallel. The smallest low-ESR SMT
tantalum capacitors currently available are Sprague
595D series, which are about half the size of competing
products. Sanyo OS-CON organic semiconductor
through-hole capacitors also exhibit very low ESR, and
are especially useful for operation at cold tempera-
For optimum performance, a switching Schottky diode,
such as the 1N5817, is recommended. 1N5817 equiv-
alent diodes are also available in surface-mount pack-
ages from Collmer Semiconductor in Dallas, TX, phone
(214) 233-1589. The part numbers are SE014 or
SE024. For low output power applications, a pn junc-
tion switching diode, such as the 1N4148, will also
work well, although efficiency will suffer due to the
greater forward voltage drop of the pn junction diode.
tures. Table 1 lists suggested capacitor suppliers.
V IN
MINIMUM
OFF-TIME
Q
TRIG
ONE-SHOT
SHDN
ONE-SHOT
S
F/F
Q
N
LX
V OUT
3/5
MAXIMUM
R
GND
ON-TIME
ONE-SHOT
TRIG
Q
LBO
LBI
Figure 2. MAX756 Block Diagram
Maxim Integrated
ONE-SHOT
N
MAX756
REFERENCE
OUT
REF
7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX757CSA-TG068 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX757EPA | 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 |
| MAX757ESA | 功能描述:直流/直流开关转换器 3.3/5/AdjV-Out Step Up 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 |
| MAX757ESA+ | 功能描述:直流/直流开关转换器 3.3/5/AdjV-Out Step Up 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 |
| MAX757ESA+T | 功能描述:直流/直流开关转换器 3.3/5/AdjV-Out Step Up 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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