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APU3146O PDF预览

APU3146O

更新时间: 2024-11-21 21:18:43
品牌 Logo 应用领域
富鼎先进 - A-POWER 开关光电二极管
页数 文件大小 规格书
29页 610K
描述
IC DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO28, TSSOP-28, Switching Regulator or Controller

APU3146O 技术参数

是否Rohs认证: 符合生命周期:Contact Manufacturer
零件包装代码:SSOP包装说明:SOP, TSSOP28(UNSPEC)
针数:28Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.74模拟集成电路 - 其他类型:DUAL SWITCHING CONTROLLER
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:16 V最小输入电压:4.25 V
标称输入电压:12 VJESD-30 代码:R-PDSO-G28
功能数量:1端子数量:28
最高工作温度:70 °C最低工作温度:
标称输出电压:6.2 V封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:TSSOP28(UNSPEC)
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:PHASE-SHIFT
最大切换频率:500 kHz温度等级:COMMERCIAL
端子形式:GULL WING端子位置:DUAL
Base Number Matches:1

APU3146O 数据手册

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Technology Licensed from International Rectifier  
APU3146  
DUAL SYNCHRONOUS PWM CONTROLLER WITH  
CURRENT SHARING CIRCUITRYANDAUTO-RESTART  
DESCRIPTION  
FEATURES  
The APU3146 IC combines a Dual synchronous Buck  
Dual Synchronous Controller with 180out-of-phase  
Configurable to 2-Independent Outputs or 2-Phase  
Single Output  
controller, providing a cost-effective, high performance  
and flexible solution. The APU3146 can configured as 2-  
independent or as 2-phase controller. The 2-phase con-  
figuration is ideal for high current applications. The  
APU3146 features 180out of phase operation which re-  
duces the required input/output capacitance and results  
to few number of capacitor quantity. Other key features  
offered by this device include two independent program-  
mable soft starts, programmable switching frequency up  
to 500KHz per phase, under voltage lockout function.  
The current limit is provided by sensing the lower  
MOSFET's on-resistance for optimum cost and perfor-  
mance.  
Current Sharing Using Inductor's DCR  
Current Limit using MOSFET's RDS(ON)  
Hiccup/Latched Current Limit  
Latched Over-Voltage Protection  
Vcc from 4.5V to 16V Input  
Programmable Switching Frequency up to 500KHz  
Two Independent Soft-Starts/ Shutdowns  
0.8V Precision Reference VoltageAvailable  
Power Good Output  
External Frequency Synchronization  
Halogen Free Product  
APPLICATIONS  
Embedded Computer Systems  
Telecom Systems  
2-Phase Power Supply  
Graphic Card  
DDR Memory Applications  
Point of Load Power Architectures  
D1  
C12  
12V  
C11  
C13  
C3  
C14  
C4  
C5  
V
CL VcH1  
VcH2  
VOUT3  
HDrv1  
Q2  
Q3  
L3  
Vcc  
R1  
OCSet1  
LDrv1  
R5  
Hiccup  
Sync  
1.8V @ 30A  
C16  
PGnd1  
VP2  
C15  
R10  
R11  
VREF  
D2  
R2  
BAT54A  
U1  
APU3146 V  
Rt  
SEN1  
C8  
C9  
R7  
R8  
R3  
R4  
V
SEN2  
Fb1  
Fb2  
Comp1  
R9  
L4  
C17  
C18  
Comp2  
HDrv2  
Q4  
R6  
OCSet2  
PGood  
PGood  
LDrv2  
Q5  
SS1 / SD  
SS2 / SD  
PGnd2  
Gnd  
C10  
Figure 1 - Typical application of APU3146 in 2-phase configuration with inductor current sensing  
PACKAGE ORDER INFORMATION  
APU3146X  
Package Type  
O : TSSOP-28  
M : SOP-28  
20130814V1.1-1/29  
Data and specifications subject to change without notice.  

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