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MPQ4458 PDF预览

MPQ4458

更新时间: 2024-02-11 02:49:58
品牌 Logo 应用领域
芯源 - MPS /
页数 文件大小 规格书
16页 362K
描述
Industrial Grade ,1A, 4MHz, 36V Step-Down Converter

MPQ4458 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:SON包装说明:3 X 3 MM, ROHS COMPLIANT, MO-229VEED-5, TQFN-10
针数:10Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.73其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 36 V
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
最大输入电压:36 V最小输入电压:4.5 V
标称输入电压:12 VJESD-30 代码:S-PDSO-N10
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:10最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装形状:SQUARE
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:0.8 mm
表面贴装:YES切换器配置:BUCK
最大切换频率:4900 kHz温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:NO LEAD
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:3 mm
Base Number Matches:1

MPQ4458 数据手册

 浏览型号MPQ4458的Datasheet PDF文件第1页浏览型号MPQ4458的Datasheet PDF文件第2页浏览型号MPQ4458的Datasheet PDF文件第4页浏览型号MPQ4458的Datasheet PDF文件第5页浏览型号MPQ4458的Datasheet PDF文件第6页浏览型号MPQ4458的Datasheet PDF文件第7页 
MPQ4458 –INDUSTRIAL GRADE,1A, 4MHz, 36V STEP-DOWN CONVERTER  
ELECTRICAL CHARACTERISTICS  
VIN = 12V, VEN = 2.5V, VCOMP = 1.4V, TJ = -40°C to +85°C, unless otherwise noted. Typical values  
are at TJ = 25°C.  
Parameter  
Symbol Condition  
Min  
Typ  
Max Units  
0.776  
0.770  
0.8  
0.824  
0.830  
1.0  
V
TJ = 25°C  
Feedback Voltage  
VFB  
4.5V < VIN < 36V  
Feedback Bias Current  
Upper Switch On Resistance  
Upper Switch Leakage  
Current Limit  
IFB  
VFB= 0.8V  
0.01  
300  
1
μA  
mΩ  
μA  
A
RDS(ON) VBST – VSW = 5V  
VEN = 0V, VSW = 0V, VIN = 36V  
Duty Cycle = 50%  
1.2  
1.8  
COMP  
Transconductance  
Error Amp Voltage Gain (5)  
to  
Current  
Sense  
GCS  
3.1  
A/V  
200  
60  
V/V  
µA/V  
µA  
µA  
V
Error Amp Transconductance  
Error Amp Min Source current  
Error Amp Min Sink current  
VIN UVLO Threshold  
ICOMP = ±3µA  
VFB = 0.7V  
VFB = 0.9V  
20  
100  
5
–5  
2.55  
3.0  
0.35  
1.5  
2
3.45  
VIN UVLO Hysteresis  
Soft-Start Time (5)  
V
0V < VFB < 0.8V  
RFREQ = 45kꢀ  
RFREQ = 18kꢀ  
VEN = 0V  
ms  
MHz  
MHz  
µA  
µA  
°C  
1.55  
3.10  
2.45  
4.90  
18  
Oscillator Frequency  
fS  
4
Shutdown Supply Current  
Quiescent Supply Current  
Thermal Shutdown  
12  
IQ  
No load, VFB = 0.9V  
120  
150  
15  
165  
Thermal Shutdown Hysteresis  
Minimum Off Time  
Minimum On Time (5)  
°C  
100  
100  
1.5  
300  
ns  
ns  
EN Up Threshold  
1.2  
1.8  
V
EN Threshold Hysteresis  
mV  
Note:  
5) Guaranteed by design.  
MPQ4458 Rev. 1.0  
12/5/2012  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2012 MPS. All Rights Reserved.  
3

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