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FAN53745UC00X PDF预览

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

FAN53745UC00X 数据手册

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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 stepdown DC/DC  
converter that delivers a regulated output voltage from an input supply  
of 2.3 V to 5.5 V. The combination of builtin 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  
fixedfrequency 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 6bump, 0.4 mm pitch, WaferLevel  
ChipScale Package (WLCSP).  
12KK  
XYZ  
12  
= Alphanumeric Device Code  
(see Ordering Information for  
specific device marking)  
= Lot Run Number  
= Alphanumeric Year Code  
= 2Weeks Date Code  
= Assembly Plant Code  
KK  
X
Y
Z
FAN53745  
L1  
V
Features  
OUT  
VIN  
SW  
C
Proprietary Current Mode Architecture  
Wide Input Voltage Range: 2.3 V to 5.5 V  
1 A Load Capability  
IN  
0.47H  
C
OUT  
4.7F  
2x10F  
SCL  
SDA  
FB  
PFM / PWM Modes for High Efficiency  
2
I Ccompatible Interface  
GND  
Programmable Output Voltage: 1.5 V to 3.3 V  
Programmable Current Limit: 440 mA to 2090 mA  
Internal SoftStart  
Figure 1. Typical Application  
Protection Faults  
(OT, Input UVLO, Output Short and Reverse Current)  
Automatic PassThrough Operation  
Hardware Reset when Holding SCL Low  
ORDERING INFORMATION  
See detailed ordering and shipping information on page 2 of  
this data sheet.  
PbFree 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  
1
Publication Order Number:  
May, 2023 Rev. 2  
FAN53745/D  
 

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