40V, 600mA , Step-Down Converter CXSD6143 is a high frequency (1.8MHz) step-down switching regulator with integrated internal high-side high voltage power MOSFET. It provides single 0.6A highly
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The CXSD6143 is a high frequency (1.8MHz) step-down switching regulator with integrated internal high-side high voltage power MOSFET. It provides single 0.6A(or less) highly efficient output with current mode control for fast loop response. The wide input range(4.2V to 40V) accommodates a variety of step-down applications. Low shutdown mode quiescent current allows use in battery-powered applications. High efficiency at light load condition is achieved by scaling down the switching frequency to reduce the switching and gate driving losses. The CXSD6143 is available in SOT23-6L package
4.2 V to 40 V operating input range
230uA operating quiescent current.
Low shutdown supply current
500mΩ internal power MOSFET
1.8 MHz fixed switching frequency
>90% efficiency
Internally compensated
Stable with ceramic output capacitors
Internal soft-start
Thermal shutdown function
Precision current limit without current sensing resistor
SOT23-6L package
High voltage power conversion
Industrial power systems
Power meter
Battery powered systems
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降压型DC/DC转换器(DC/DC Step-down Converter) |
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Part No. |
Power switching |
MODE |
VIN |
VOUT |
IQ |
FOSC |
Eff. |
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Built-in MOSFETSynchronous |
PWM/PFM |
Max 7V |
ADJ |
35μA |
1.5MHz |
96% |
|
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Built-in MOSFETSynchronous |
PWM/PFM |
2.6~6V |
ADJ |
40μA |
1.5MHz |
96% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
2.6~7V |
ADJ |
50μA |
1.5MHz |
97% |
|
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Built-in MOSFET Synchronous |
PWM/PFM |
2.5~6V |
ADJ |
40μA |
1.5MHz |
96% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
2.5~5.5V |
ADJ |
50μA |
1.3MHz |
97% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
2.6~6V |
ADJ |
30μA |
3MHz |
96% |
|
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Built-in MOSFET Synchronous |
PWM/PFM |
2.6~5.5V |
ADJ |
50μA |
1.4MHz |
97% |
|
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Built-in MOSFET Synchronous |
PWM/PFM |
3.5~16V |
ADJ |
0.4mA |
600KHz |
96% |
|
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Built-in MOSFET Synchronous |
PWM/PFM |
3.5~16V |
ADJ |
0.4mA |
600KHz |
96% |
|
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Built-in MOSFET Synchronous |
PWM/PFM |
4.2~18V |
ADJ |
0.8mA |
500KHz |
96% |
|
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Built-in MOSFET Synchronous |
PWM/PFM |
4.7~20V |
ADJ |
50μA |
500KHz |
95% |
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Built-in MOSFET Synchronous |
PWM/PFM |
4.7~20V |
ADJ |
50μA |
500KHz |
95% |
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Built-in MOSFET Synchronous |
PWM/PFM |
4.5~20V |
ADJ |
50μA |
410KHz |
95% |
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Built-in MOSFET Synchronous |
PWM/PFM |
4.5~18V |
ADJ |
80μA |
420KHz |
95% |
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Built-in MOSFET Synchronous |
PWM/PFM |
4.5~18V |
ADJ |
80μA |
420KHz |
95% |
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Built-in MOSFET Synchronous |
PWM/PFM |
4.5~18V |
ADJ |
80μA |
420KHz |
95% |
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Built-in MOSFET |
PWM/PFM |
4~24V |
ADJ |
0.6mA |
1.4MHz |
90% |
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Built-in MOSFET |
PWM/PFM |
4~38V |
ADJ |
0.6mA |
660KHz |
92% |
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Built-in MOSFET |
PWM/PFM |
4~38V |
ADJ |
0.6mA |
660KHz |
92% |
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Built-in MOSFET Synchronous |
PWM/PFM |
4~40V |
ADJ |
50μA |
2MHz |
93% |
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Built-in MOSFET |
PWM/PFM |
4.2~40V |
ADJ |
200μA |
1.8MHz |
90% |
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Built-in MOSFET Synchronous |
PWM/PFM |
4.5~24V |
ADJ |
50μA |
500KHz |
94% |
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Built-in MOSFET Synchronous |
PWM |
5~20V |
0.923~15V ADJ |
60μA |
360KHz |
94% |
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