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1A, 4.5V to 40V Input Buck Converters with
50mA Auxiliary LDO Regulators
Pin Description
PIN
MAX15014/
MAX15017
—
MAX15015/
MAX15016
23
NAME
C-
FUNCTION
Charge-Pump Flying Capacitor Negative Connection (MAX15015/MAX15016 only)
Gate Drive Supply for the High-Side MOSFET Driver. Connect to REG and to the
25
25
DVREG
anode of the bootstrap diode for MAX15014/MAX15017. Connect to REG for
MAX15015/MAX15016.
Charge-Pump Flying Capacitor Positive Connection (MAX15015/MAX15016 only).
—
28
C+
Connect to the positive terminal of the external pump capacitor and to the anode of
the bootstrap diode.
29
31
29
31
SYNC
COMP
Oscillator Synchronization Input. SYNC can be driven by an external clock to
synchronize the switching frequency. Connect SYNC to SGND when not used.
Error Amplifier Output. Connect COMP to the compensation feedback network.
Feedback Regulation Point. Connect to the center tap of a resistive divider from
32
32
FB
converter output to SGND to set the output voltage. The FB voltage regulates to the
voltage present at SS (1.235V).
Soft-Start and Reference Output. Connect a capacitor from SS to SGND to set the
33
33
SS
soft-start time. See the Applications Information section to calculate the value of the
C SS capacitor.
34
34
REG
Internal Regulator Output. 5V output for the MAX15015/MAX15016 and 8V output for the
MAX15014/MAX15017. Bypass to SGND with at least a 1μF ceramic capacitor.
Supply Input Connection. Connect to IN_LDO and an external voltage source from
36
36
IN_SW
4.5V to 40V. EN_SW and EN_SYS must be high and IN_SW must be above its UVLO
threshold for operation of the switching regulator.
—
—
EP
Exposed Pad. The exposed pad must be electrically connected to SGND. For an
effective heatsinking, solder the exposed pad to a large copper plane.
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13
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相关代理商/技术参数
MAX15016AATX+ 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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
MAX15016AATX+T 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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
MAX15016BATX+ 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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
MAX15016BATX+T 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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
MAX15017AATX+ 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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
MAX15017AATX+T 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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
MAX15017BATX+ 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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
MAX15017BATX+T 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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