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TPS62054DGSR PDF预览

TPS62054DGSR

更新时间： 2024-01-28 20:04:05
品牌 Logo 应用领域
德州仪器 - TI 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
25页 897K
描述
800-mA SYNCHRONOUS STEP-DOWN CONVERTER

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TPS62054DGSR 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：MSOP
包装说明：MSOP-10针数：10
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.2Is Samacsys：N
其他特性：ALSO HAS CONTROL TECHNIQUE OF PFM模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：10 V最小输入电压：2.7 V
标称输入电压：7.2 VJESD-30 代码：S-PDSO-G10
JESD-609代码：e4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最大输出电流：1.4 A
最大输出电压：1.8 V最小输出电压：1.8 V
标称输出电压：1.8 V封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：SQUARE
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.1 mm
表面贴装：YES切换器配置：BUCK
最大切换频率：1000 kHz温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
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：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

TPS62054DGSR 数据手册

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TPS62052, TPS62054  
TPS62056, TPS62050, TPS62051  
www.ti.com  
SLVS432E –SEPTEMBER 2002–REVISED JUNE 2011  
800-mA SYNCHRONOUS STEP-DOWN CONVERTER  
Check for Samples: TPS62052, TPS62054, TPS62056, TPS62050, TPS62051  
1
FEATURES  
DESCRIPTION  
The TPS6205x devices are a family of high-efficiency  
2
•
High-Efficiency Synchronous Step-Down  
Converter With up to 95% Efficiency  
synchronous step-down dc/dc converters ideally  
suited for systems powered from a 1-cell or 2-cell Li-  
Ion battery or from a 3-cell to 5-cell NiCd, NiMH, or  
alkaline battery.  
•
•
•
12-µA Quiescent Current (Typ)  
2.7-V to 10-V Operating Input Voltage Range  
Adjustable Output Voltage Range From 0.7 V  
to 6 V  
The TPS62050 is a synchronous PWM converter with  
integrated N-channel and P-channel power MOSFET  
switches.  
Synchronous  
rectification  
increases  
•
•
•
•
•
Fixed Output Voltage Options Available in  
1.5 V, 1.8 V, and 3.3 V  
efficiency and reduces external component count. To  
achieve highest efficiency over a wide load current  
range, the converter enters a power-saving pulse-  
frequency modulation (PFM) mode at light load  
currents. Operating frequency is typically 850 kHz,  
allowing the use of small inductor and capacitor  
values. The device can be synchronized to an  
external clock signal in the range of 600 kHz to 1.2  
MHz. For low noise operation, the converter can be  
programmed into forced-fixed frequency in PWM  
mode. In shutdown mode, the current consumption is  
reduced to less than 2 µA. The TPS6205x is  
available in the 10-pin (DGS) micro-small outline  
package (MSOP) and operates over an free air  
temperature range of –40°C to 85°C.  
Synchronizable to External Clock Signal up to  
1.2 MHz  
High Efficiency Over a Wide Load Current  
Range in Power-Save Mode  
100% Maximum Duty Cycle for Lowest  
Dropout  
Low Noise Operation in Forced Fixed  
Frequency PWM Operation Mode  
•
•
•
Internal Softstart  
Overtemperature and Overcurrent Protected  
Available in 10-Pin Microsmall Outline  
Package MSOP  
APPLICATIONS  
•
•
•
•
Cellular Phones  
Organizers, PDAs, and Handheld PCs  
Low Power DSP Supply  
Digital Cameras and Hard Disks  
TPS62050  
EFFICIENCY  
vs  
TYPICAL APPLICATION CIRCUIT  
V = 3.3 V to 10 V  
L1 = 10 µH  
I
V
O
= 1.5 V / 800 mA  
1
8
9
5
OUTPUT CURRENT  
SW  
FB  
VIN  
EN  
100  
90  
80  
TPS62052  
70  
60  
C = 10 µF  
i
6
7
4
2
PG  
LBI  
C
o
= 22 µF  
50  
40  
SYNC  
GND  
LBO  
30  
20  
10  
0
PGND  
10  
V = 7.2 V,  
I
3
V
= 5 V,  
O
SYNC = L  
0.01  
0.1  
1
10  
100  
1 k  
I
– Output Current – mA  
O
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
MATHCAD is a registered trademark of Mathsoft Incorporated.  
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 © 2002–2011, Texas Instruments Incorporated  
 
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TPS62054DGSR 替代型号

型号 品牌 替代类型 描述 数据表
TPS62054DGS TI

完全替代

 800-mA SYNCHRONOUS STEP-DOWN CONVERTER
TPS62054DGSRG4 TI

类似代替

 800-mA SYNCHRONOUS STEP-DOWN CONVERTER
TPS62054DGSG4 TI

类似代替

 800-mA SYNCHRONOUS STEP-DOWN CONVERTER

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