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TPS62080ADSGR 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
DC/DC转换器
封装:
WSON-8
描述:
1.2A高效降压转换器，具有贪睡模式 1.2A High Efficient Step Down Converter with Snooze Mode
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P3Hot
典型应用电路图在P1P11P16
原理图在P7P8P11
封装尺寸在P20P22P23
标记信息在P3P20P21
封装信息在P3P19P20P21P22P23
技术参数、封装参数在P4
应用领域在P1P27
电气规格在P5P9
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TPS62080ADSGR数据手册
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of 27 Go
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TPS62081
1µH
10µF
2.3V .. 6V
V
IN
22µF
180k
V
OUT
POWER GOOD
1.8V
SW
VOS
VIN
EN
GND
MODE
PG
FB
Product
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Technical
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Software
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TPS62080
,
TPS62080A
,
TPS62081
,
TPS62082
SLVSAE8E –SEPTEMBER 2011–REVISED APRIL 2015
TPS6208x 1.2-A High-Efficiency, Step-Down Converter With DCS-Control™
and Snooze Mode
1 Features 3 Description
The TPS6208x devices are a family of high frequency
1
• DCS-Control™ Architecture for Fast Transient
synchronous step down converters. With an input
Regulation
voltage range of 2.3 V to 6 V, common battery
• Snooze Mode for 6.5-µA Ultra Low Quiescent
technologies are supported. Alternatively, the device
Current
can be used for low voltage system power rails.
• 2.3-V to 6-V Input Voltage Range
The TPS6208x focuses on high efficiency step-down
• 100% Duty Cycle for Lowest Dropout
conversion over a wide output current range. At
medium to heavy loads, the converter operates in
• Power Save Mode for Light-Load Efficiency
PWM mode and automatically enters Power Save
• Output Discharge Function
Mode operation at light load currents to maintain high
• Short-Circuit Protection
efficiency over the entire load current range. To
• Power-Good Output
maintain high efficiency at very low load or no load
currents, a Snooze Mode with an ultra-low quiescent
• Thermal Shutdown
current is implemented. This function, enabled by the
• Available in 2-mm × 2-mm 8-Pin WSON Package
MODE pin, increases the run-time of battery driven
applications and keeps the standby current at its
2 Applications
lowest level to meet green energy standards targeting
a low stand-by current.
• Battery-Powered Portable Devices
• Point of Load Regulators
To address the requirements of system power rails,
the internal loop compensation allows a large
• System Power Rail Voltage Conversion
selection of external output capacitor values in
excess of 100 µF. With its DCS-Control architecture,
excellent load transient performance and output
voltage regulation accuracy is achieved. The device
is available in 2-mm × 2-mm WSON package with
Thermal PAD.
Device Information
(1)
PART NUMBER PACKAGE BODY SIZE (NOM)
TPS62080
TPS62080A
WSON (8) 2.00 mm × 2.00 mm
TPS62081
TPS62082
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application of TPS62081 (1.8-V Fixed Output)
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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