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| 型号： | TPS62201DBVTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.67 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封装： | GREEN, PLASTIC, SOT-23, 5 PIN |
| 文件页数： | 1/23页 |
| 文件大小： | 590K |
| 代理商： | TPS62201DBVTG4 |
www.ti.com
FEATURES
DESCRIPTION
APPLICATIONS
VI
GND
EN
SW
FB
C1
4.7
F
L1
10
H
C2
10
F
TPS62202
VI
2.5 V 6 V
VO
1.8 V / 300 mA
1
5
2
3
4
40
45
50
55
60
65
70
75
80
85
90
95
100
0.010
0.100
1
10
100
1000
Efficiency
%
EFFICIENCY
vs
LOAD CURRENT
IL Load Current mA
VO = 1.8 V
VI = 2.7 V
VI = 3.7 V
VI = 5 V
SLVS417E – MARCH 2002 – REVISED MAY 2006
HIGH-EFFICIENCY, SOT23
STEP-DOWN, DC-DC CONVERTER
High Efficiency Synchronous Step-Down
The TPS6220x devices are a family of high-efficiency
Converter With up to 95% Efficiency
synchronous step-down converters ideally suited for
2.5-V to 6-V Input Voltage Range
portable systems powered by 1-cell Li-Ion or 3-cell
Adjustable Output Voltage Range From 0.7 V
NiMH/NiCd batteries. The devices are also suitable
to VI
to operate from a standard 3.3-V or 5-V voltage rail.
Fixed Output Voltage Options Available
With an output voltage range of 6 V down to 0.7 V
Up to 300 mA Output Current
and up to 300 mA output current, the devices are
ideal to power low voltage DSPs and processors
1-MHz Fixed Frequency PWM Operation
used in PDAs, pocket PCs, and smart phones.
Highest Efficiency Over Wide Load Current
Under nominal load current, the devices operate with
Range Due to Power Save Mode
a fixed switching frequency of typically 1 MHz. At
15-A Typical Quiescent Current
light load currents, the part enters the power save
mode operation; the switching frequency is reduced
Soft Start
and the quiescent current is typically only 15 A;
100% Duty Cycle Low-Dropout Operation
therefore, it achieves the highest efficiency over the
Dynamic Output-Voltage Positioning
entire load current range. The TPS6220x needs only
three small external components. Together with the
Available in a 5-Pin SOT23 Package
SOT23 package, a minimum system solution size is
achieved. An advanced fast response voltage mode
control scheme achieves superior line and load
PDAs and Pocket PC
regulation with small ceramic input and output
Cellular Phones, Smart Phones
capacitors.
Low Power DSP Supply
Digital Cameras
Portable Media Players
Portable Equipment
Figure 1. Typical Application
(Fixed Output Voltage Version)
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.
PRODUCTION DATA information is current as of publication date.
Copyright 2002–2006, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS62202DBVR | 功能描述:直流/直流开关调节器 1.8V Out Hi-Eff Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS62202DBVRG4 | 功能描述:直流/直流开关调节器 1.8V Out Hi-Eff Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS62202DBVT | 功能描述:直流/直流开关调节器 1.8V Out Hi-Eff Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS62202DBVT | 制造商:Texas Instruments 功能描述:DC/DC Converter IC |
| TPS62202DBVTG4 | 功能描述:直流/直流开关调节器 1.8V Out Hi-Eff Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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