ADP2121ACBZ-2.3-R7

所属类别：降压DC / DC转换
产品名称：500 mA，6 MHz同步降压式DC-DC转换器
厂商：ADI
生产批号：14+
封装：6引脚WLCSP封装
库存状态：有库存
库存量：3230
最低订购量：1
详细资料：

Product Introduction

Product Details:

ADP2121是一款高频、低静态电流、Step-down DC-DC converters，专为对电路板面积和电池寿命有严格要求的便携式应用而优化。6 MHz的固定工作频率使器件能够采用小型陶瓷电感与电容。此外，同步整流可以提高效率，减少外部器件的数量。在重载电流下，ADP2121采用稳压脉宽调制（PWM）模式保持恒定频率，并提供出色的稳定性与瞬态响应。在轻载条件下，ADP2121可以自动进入省电模式，利用脉冲频率调制（PFM）来降低有效开关频率，并确保在便携式应用中延长电池寿命。

The ADP2121 has an input voltage range of 2.3 V to 5.5 V and can use a single Li+/Li-polymer battery, multiple alkaline/NiMH batteries, PCMCIA, and other standard power supplies. ADP2121 requires only three external devices with fixed output voltages of 1.80 V, 1.82 V, 1.85 V, and 1.875 V and a source current of up to 500 mA. Other key features of this device include: undervoltage lockout (UVLO) to prevent deep battery discharge; Soft start to prevent input current overshoot during start-up. During logic control shutdown, the input is disconnected from the output and the source current is less than 0.28 μA.

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Advantages and features:

峰值效率：92%
工作频率：6 MHz
自动进入省电模式，静态电流仅为38 µA
固定输出电压：1.80 V、1.82 V、1.85V、1.875V

输入电压：2.3 V至5.5 V
连续输出电流：500 mA
可配合使用小型多层电感
业界最小的1.17 mm² 6引脚WLCSP封装

//www.chip100.com/

The ICs associated with ADP2121ACBZ-2.3-R7 include:

Model	Manufacturers	lot number	encapsulation	illustrate
ADP2121ACBZ-2.3-R7	ADI	14+	6-pin WLCSP package	500 mA, 6 MHz synchronous step-down DC-DC converter
ADP2121ACBZ-1875R7-1.85R7	ADI	14+	6-pin WLCSP package	500 mA, 6 MHz synchronous step-down DC-DC converter
ADP2121ACBZ-1.85R7	ADI	14+	6-pin WLCSP package	500 mA, 6 MHz synchronous step-down DC-DC converter
ADP2121ACBZ-1.82R7	ADI	14+	6-pin WLCSP package	500 mA, 6 MHz synchronous step-down DC-DC converter
ADP2121ACBZ-1.8-R7	ADI	14+	6-pin WLCSP package	500 mA, 6 MHz synchronous step-down DC-DC converter

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