CXPU33111 provide a complete power supply solution for digital cameras. They improve performance, component count, and size compared to other multi-channel controllers in 1-cell Li-Ion

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The CXPU33111 provide a complete power supply solution for digital cameras. They improve performance, component count, and size compared to other multi-channel controllers in 1-cell Li-Ion. On-chip MOSFETs provide up to 92~95% efficiency for critical power supplies. All channels DC/DC operate at one fixed frequency of 1.5MHz/750KHz to optimize size, cost, and efficiency. All Synchronous converters operate at pulse skipping mode at light load. They also feature True-Shutdown as well as internal compensation to minimize external component count.

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2.5V ~ 5.5V Input Voltage Operation 7ZB嘉泰姆

„ 95% Efficient DC/DC Converter 7ZB嘉泰姆

„ Built-in 1-ch synchronous boost converter, 1-ch auto buck-boost converter, 3-ch synchronous buck converter, 1-ch WLED driver, 4-ch LDOs, 1-ch power switch for CMOS image sensor, and 1-ch low quiescent current LDO for RTC. 7ZB嘉泰姆

„ 32-steps brightness control by I2 C for WLED Driver 7ZB嘉泰姆

„ Low Power consumption (Sleep Mode ) < 10μA. 7ZB嘉泰姆

„ Built-In Selectable Power ON/OFF Sequence. 7ZB嘉泰姆

„ Built-In Short Circuit Protection (SCP), Under Voltage Protection (UVP), and cycle-by cycle current limit for DC/DC Converters. 7ZB嘉泰姆

„ Built-In Thermal Shutdown Function. 7ZB嘉泰姆

„ Built-In Battery OVP Function. 7ZB嘉泰姆

„ TQFN40 Package (5mmx5mm).7ZB嘉泰姆

   应用范围 返回TOP7ZB嘉泰姆

DSC and DV Power Supply7ZB嘉泰姆

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