Datasheet > DA9233

DA9233

更新时间： 2023-12-20 18:44:25

品牌	Logo	应用领域
瑞萨 - RENESAS		全球定位系统集成电源管理电路
页数	文件大小	规格书
50页	871K
描述
Configurable, High-Efficiency PMIC for GPS Sub-Systems in Wearable Devices Requiring Ultra-Low Voltage Ripple

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DA9233 数据手册

DA9233

Integrated Ultra-Low Quiescent Current, Ultra-Low

Output Ripple Buck Regulator with 100 mA LDO

General Description

DA9233 is an ultra-low quiescent current high efficiency buck regulator and an ultra-low quiescent

current LDO in a compact I²C configurable WLCSP package. The Buck regulator also features ultra-

low output ripple (<10mV). It is targeting battery powered applications needing low ripple and highly

efficient power supplies.

The buck regulator extends high light load efficiency down to 20 µA further extending battery life.

Dynamic Voltage Control in the Buck regulator facilitates optimization across the system power modes

enabling further improvement in System efficiency and battery life.

The low quiescent current LDO can be configured as a Load Switch and provides the second supply

output. The LDO’s uncommitted inputs can be connected to either the battery or the buck output.

Connecting the input to the buck output provides the flexibility to improve the PSRR at the LDO output

as needed.

DA9233 provides multiple protection features and comes with the ability to monitor the events and

indicators in the GPO pin.

Suitable for space constrained applications, the DA9233 comes in a 1.65 mm x 1.25 mm x 0.5 mm,

12-pin WLCSP package.

Key Features

■

60 mA buck regulator

■

100 mA LDO / Load Switch

□

750 nA total input current (buck enabled,

no load)

□

Ultra-low quiescent current

Input voltage 1.8 V to 5.5 V

Output voltage 0.7 V to 3.3 V

□

Up to 80 % efficiency at 1.8 V output,

20 µA load currents

I²C interface for device configuration and

control

□

Input voltage 2.5 V to 5.5 V (Minimum

2.75 V for start-up)

■

Protection features and System Monitors

Output voltage 0.6 V to 1.9 V

Dynamic Voltage Control (DVC)

Small 1.65 mm x 1.25 mm x 0.5 mm, 12-pin

WLCSP package

Applications

■

Wearables – wrist wear, hearables

Smart devices - thermostats and door locks

Smoke detectors

■

Portable medical devices

Remote sensors

High efficiency, low power applications

Datasheet

Revision 2.2

13-Jun-2023

CFR0011-120-00 Rev 5

1 of 50

12 3 4 5 6 7...50

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