The LM2833 regulator is a monolithic, high frequency, PWM step-down DC/DC converter available in a 10-pin WSON or MSOP-PowerPAD package. It contains all the active functions to provide local DC/DC conversion with fast transient response and accurate regulation in the smallest possible PCB area. With a minimum of external components, the LM2833 is easy to use. The ability to drive 3.0A loads with an internal 56 m? PMOS switch using state-of-the-art 0.5µm BiCMOS technology results in the best power density available. The world-class control circuitry allows on-times as low as 30ns, thus supporting exceptionally high frequency conversion over the entire 3V to 5.5V input operating range down to the minimum output voltage of 0.6V. Switching frequency is internally set to 1.5MHz or 3.0MHz, allowing the use of extremely small surface mount inductors and capacitors. Even though the operating frequency is high, efficiencies up to 93% are easy to achieve. External shutdown is included, featuring an ultra-low stand-by current of 300nA. The LM2833 utilizes peak current-mode control and internal compensation to provide high-performance regulation over a wide range of operating conditions. Additional features include internal soft-start circuitry to reduce inrush current, cycle-by-cycle current limit, frequency foldback, thermal shutdown, and output over-voltage protection.

• Input Voltage Range of 3.0V to 5.5V
• Output Voltage Range of 0.6V to 4.5V
• Tiny MSOP-PowerPAD 10 or WSON-10 Package
• 3.0A Steady-State Output Current
• High Switching Frequencies
  • 1.5MHz (LM2833X)
  • 3.0MHz (LM2833Z)
• Enable Pin
• 56m? PMOS Switch
• 0.6V, 2% Internal Voltage Reference Over Line and Temperature
• Internal Soft-Start
• Internally Compensated Peak Current-Mode Control
• Cycle-by-Cycle Current Limit and Thermal Shutdown
• Frequency Foldback Protection
• Input Voltage UVLO (Under-Voltage Lockout)
• Output Over-Voltage Protection

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• Vin (Min) (V)
• 3
• Vin (Max) (V)
• 5.5
• Vout (Min) (V)
• 0.6
• Vout (Max) (V)
• 4.5
• Iout (Max) (A)
• 3
• Iq (Typ) (uA)
• 3200
• Switching frequency (Min) (kHz)
• 1500
• Switching frequency (Max) (kHz)
• 3000
• Features
• Enable, Light Load Efficiency
• Rating
• Catalog
• Regulated outputs (#)
• 1
• Control mode
• Current Mode
• Duty cycle (Max) (%)
• 95

LM2833的完整型号有：LM2833XMY/NOPB、LM2833XSD/NOPB、LM2833ZMY/NOPB、LM2833ZMYX/NOPB、LM2833ZSD/NOPB，以下是这些产品的关键参数及官网采购报价：

LM2833XMY/NOPB，工作温度：-40 to 125，封装：HVSSOP (DGQ)-10，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：SN，TI官网LM2833XMY/NOPB的批量USD价格：0.941（1000+）

LM2833XSD/NOPB，工作温度：-40 to 125，封装：WSON (DSC)-10，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM2833XSD/NOPB的批量USD价格：0.941（1000+）

LM2833ZMY/NOPB，工作温度：-40 to 125，封装：HVSSOP (DGQ)-10，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：SN，TI官网LM2833ZMY/NOPB的批量USD价格：1.129（1000+）

LM2833ZMYX/NOPB，工作温度：-40 to 125，封装：HVSSOP (DGQ)-10，包装数量MPQ：3500个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：SN，TI官网LM2833ZMYX/NOPB的批量USD价格：0.941（1000+）

LM2833ZSD/NOPB，工作温度：-40 to 125，封装：WSON (DSC)-10，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM2833ZSD/NOPB的批量USD价格：0.941（1000+）

LM2833XSDEVAL — LM2833X LLP - 1.5MHz 3.0A 降压 DC-DC 开关稳压器评估模块

The LM2833X LLP Demo Board is designed to demonstrate the capabilities of the LM2833X 1.5MHz switching regulator in the LLP-10 package.

The demo board is configured to provide an output of 1.2V at up to 3A from an input voltage range of 3V to 5.5V. The board is thermally optimized with the small (...)

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