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TPS54062DGKR PDF预览

TPS54062DGKR

更新时间: 2024-11-19 08:38:59
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
30页 750K
描述
4.7V to 60V Input, 50mA Synchronous Step-Down Converter with Low IQ

TPS54062DGKR 数据手册

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TPS54062  
www.ti.com  
SLVSAV1 MAY 2011  
4.7V to 60V Input, 50mA Synchronous Step-Down Converter with Low IQ  
Check for Samples: TPS54062  
1
FEATURES  
DESCRIPTION  
The TPS54062 device is a 60V, 50-mA, synchronous  
step-down converter with integrated high side and low  
side MOSFETs. Current mode control provides  
simple external compensation and flexible component  
selection. The non switching supply current is 89µA.  
Using the enable pin, shutdown supply current is  
reduced to 1.7µA.  
2
Integrated High Side and Low Side MOSFET  
Peak Current Mode Control  
89 µA (typical) Operating Quiescent Current  
100kHz to 400kHz Switching Frequency  
Synchronizes to External Clock  
Internal Slow Start  
Under voltage lockout is internally set at 4.5V, but  
can be increased using the accurate enable pin  
threshold. The output voltage startup ramp is  
controlled by the internal slow start time.  
0.8V ±2% Voltage Reference  
Stable with Ceramic Output Capacitors or Low  
Cost Aluminum Electrolytic  
Cycle-by-Cycle Current Limit, Thermal and  
Frequency Fold Back Protection  
Adjustable switching frequency range allows  
efficiency and external component size to be  
optimized. Frequency fold back and thermal  
shutdown protects the part during an overload  
condition.  
MSOP8 Package  
APPLICATIONS  
Low Power Standby or Bias Voltage Supplies  
4-20mA Current-Loop Powered Sensors  
Industrial Process Control, Metering, and  
Security Systems  
High Voltage Linear Regulator Replacement  
spacer  
SIMPLIFIED SCHEMATIC  
EFFICIENCY  
90  
VIN = 10V  
80  
70  
60  
VIN = 24V  
50  
40  
30  
20  
VOUT = 3.3V  
fSW = 400kHz  
10  
0
0
0.01  
0.02 0.03  
Output Current (A)  
0.04  
0.05  
G050  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
SwitcherPro is a trademark of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2011, Texas Instruments Incorporated  

TPS54062DGKR 替代型号

型号 品牌 替代类型 描述 数据表
TPS54062DRBT TI

完全替代

具有低静态电流 (IQ) 的 4.7V 至 60V 输入,50mA 同步降压转换器 | D
TPS54062DRBR TI

类似代替

具有低静态电流 (IQ) 的 4.7V 至 60V 输入,50mA 同步降压转换器 | D

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