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MAX8506 Evaluation Kit
Table 2. Jumper JU2 (HP)
SHUNT LOCATION
Pins 1 and 2
Pins 2 and 3
None
HP PIN
Connected to VIN
Connected to GND
Connected to HP pad
EV KIT OPERATION
High-power bypass mode enabled, VOUT = VIN
High-power bypass mode disabled
Output controlled by the user (user-supplied control signal must be
connected to HP pad)
Table 3. Jumper JU3 ( SKIP )
SHUNT LOCATION
Pins 1 and 2
Pins 2 and 3
None
SKIP PIN
Connected to VIN
Connected to GND
Connected to SKIP pad
OPERATION MODE
PWM mode at all loads
SKIP mode at light loads and PWM mode at medium and heavy loads
Operation mode controlled by the user (user-supplied control signal
must be connected to SKIP pad)
sampling frequencies. Forced-PWM operation uses
higher supply current with no load compared to skip
mode. See Table 3 for JU3 configuration.
Evaluating the MAX8507/MAX8508
The MAX8506 EV kit circuit board comes with the
MAX8506 converter installed. The MAX8506 EV kit
board can also be used to evaluate the MAX8507/
MAX8508 converters. To evaluate the MAX8507 with
the MAX8506 EV kit, replace the MAX8506ETE with the
MAX8507ETE, and change R1 to 15k ? and C4 to
1000pF.
To evaluate the MAX8508 with the MAX8506 EV kit,
replace the MAX8506ETE with the MAX8508ETE,
remove C5, and then install feedback resistors on R2
and C5 pads. Change R1 to 5.62k ? and C4 to 2700pF.
The output voltage, VOUT , can be adjusted in the 0.75V
to 3.4V range. Select a feedback resistor, R Feedback ,
between 5k ? and 50k ? and install on the C5 pads. R2
is determined by the following equation:
R2 = R Feedback (VOUT / V FB – 1)
where V FB = 0.75V and VOUT is the desired output
voltage.
Care should be taken when soldering or desoldering
the exposed paddle under the IC.
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相关代理商/技术参数
MAX8507ETE 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
MAX8507ETE+ 功能描述:直流/直流开关转换器 DC/DC Converter 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
MAX8507ETE+T 功能描述:直流/直流开关转换器 DC/DC Converter 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
MAX8507ETE-T 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
MAX8508ETE 功能描述:直流/直流开关转换器 DC/DC Converter 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
MAX8508ETE+ 功能描述:直流/直流开关转换器 DC/DC Converter 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
MAX8508ETE+T 功能描述:直流/直流开关转换器 DC/DC Converter 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
MAX8508ETE-T 功能描述:直流/直流开关转换器 DC/DC Converter 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