Datasheet > FAN53745UC00X

FAN53745UC00X

更新时间： 2024-11-15 11:13:03

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
37页	1609K
描述
Buck Regulator, Synchronous, 3.33 MHz, 1 A

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FAN53745UC00X 数据手册

DATA SHEET

www.onsemi.com

Buck Regulator,

Synchronous, 3.33 MHz, 1 A

WLCSP6

CASE 567UH

FAN53745

Description

MARKING DIAGRAM

The FAN53745 is a low quiescent current step−down DC/DC

converter that delivers a regulated output voltage from an input supply

of 2.3 V to 5.5 V. The combination of built−in power transistors,

synchronous rectification, and a tiny solution size make the device

ideal for portable applications.

The converter normally operates in PWM Mode at a typical

fixed−frequency of 3.33 MHz. At moderate and light loads, the device

will transition into PFM Mode to maintain high efficiency and

excellent transient response. Additionally, a low power Shutdown

Mode reduces power consumption when the device is disabled.

The FAN53745 is available in 6−bump, 0.4 mm pitch, Wafer−Level

Chip−Scale Package (WLCSP).

12KK

XYZ

= Alphanumeric Device Code

(see Ordering Information for

specific device marking)

= Lot Run Number

= Alphanumeric Year Code

= 2−Weeks Date Code

= Assembly Plant Code

FAN53745

Features

OUT

VIN

 Proprietary Current Mode Architecture

 Wide Input Voltage Range: 2.3 V to 5.5 V

 1 A Load Capability

0.47ꢀ H

OUT

4.7ꢀ F

2x10ꢀ F

SCL

SDA

 PFM / PWM Modes for High Efficiency

 I C−compatible Interface

GND

 Programmable Output Voltage: 1.5 V to 3.3 V

 Programmable Current Limit: 440 mA to 2090 mA

 Internal Soft−Start

Figure 1. Typical Application

 Protection Faults

(OT, Input UVLO, Output Short and Reverse Current)

 Automatic Pass−Through Operation

 Hardware Reset when Holding SCL Low

ORDERING INFORMATION

See detailed ordering and shipping information on page 2 of

this data sheet.

 Pb−Free and RoHS Compliant

Applications

 Smart Phones

 Smart Watch

 Health Monitoring

 Sensor Drive

 Energy Harvesting

 Utility and Safety Modules

 RF Modules

 Semiconductor Components Industries, LLC, 2018

Publication Order Number:

May, 2023 − Rev. 2

FAN53745/D

12 3 4 5 6 7...37

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