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| 型号： | TPS62260IDRVRQ1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PDSO6 |
| 封装： | 2 X 2 MM, 0.80 MM, GREEN, PLASTIC, SON-6 |
| 文件页数： | 1/31页 |
| 文件大小： | 1228K |
| 代理商： | TPS62260IDRVRQ1 |
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VIN
GND
EN
FB
SW
TPS62260DRV
L
R1
R2
C
10 F
OUT
m
VOUT
MODE
C
4.7 F
IN
m
2.2 H
m
C
22pF
1
V =2Vto6V
IN
Upto600mA
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1000
I -OutputCurrent-mA
O
Efficiency-%
V =2.3V
IN
V =2.7V
IN
V =3V
IN
V =3.6V
IN
V =4.5V
IN
V
=1.8V,
MODE=GND,
L =2.2 H,
DCR110mR
OUT
m
www.ti.com
SLVSA16A – AUGUST 2009 – REVISED FEBRUARY 2010
2.25-MHz 600-mA STEP-DOWN CONVERTERS
1
FEATURES
Qualified for Automotive Applications
Soft Start
High-Efficiency Step-Down Converter
Voltage Positioning at Light Loads
Output Current up to 600 mA
Available in a small 2×2×0,8mm SON Package
Wide VIN Range from 2-V to 6-V for Li-Ion
Allows <1-mm Solution Height
Batteries with Extended Voltage Range
APPLICATIONS
2.25-MHz Fixed Frequency Operation
PDAs, Pocket PCs
Power Save Mode at Light Load Currents
Low Power DSP Supply
Output Voltage Accuracy in PWM mode ±1.5%
Portable Media Players
15-mA (Typ) Quiescent Current
POL applications
100% Duty Cycle for Lowest Dropout
DESCRIPTION
The TPS6226x devices are high-efficiency synchronous step-down dc-dc converters optimized for battery
powered applications. It provides up to 600-mA output current from a single Li-Ion cell and is ideal to power
mobile phones and other portable applications.
With an wide input voltage range of 2 V to 6 V, the device supports applications powered by Li-Ion batteries with
extended voltage range, two and three cell alkaline batteries, 3.3-V and 5-V input voltage rails.
The TPS6226x operates at 2.25-MHz fixed switching frequency and enters Power Save Mode operation at light
load currents to maintain high efficiency over the entire load current range.
The Power Save Mode is optimized for low output voltage ripple. For low noise applications, the device can be
forced into fixed frequency PWM mode by pulling the MODE pin high. In the shutdown mode, the current
consumption is reduced to less than 1 mA. TPS6226x allows the use of small inductors and capacitors to achieve
a small solution size.
The TPS6226x is available in a very small 2×2mm 6-pin SON package.
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.
PRODUCTION DATA information is current as of publication date.
Copyright 2009–2010, 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 |
|---|---|
| TPS62260LED-338 | 功能描述:电源管理IC开发工具 TPS62260LED-338 Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| TPS62260QDRVRQ1 | 功能描述:直流/直流开关调节器 AC 2.25MHz 600mA 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 |
| TPS62260TDDCRQ1 | 功能描述:Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 600mA SOT-23-5 Thin, TSOT-23-5 制造商:texas instruments 系列:汽车级，AEC-Q100 包装:剪切带（CT） 零件状态:有效 功能:降压 输出配置:正 拓扑:降压 输出类型:可调式 输出数:1 电压 - 输入（最小值）:2V 电压 - 输入（最大值）:6V 电压 - 输出（最小值/固定）:0.6V 电压 - 输出（最大值）:6V 电流 - 输出:600mA 频率 - 开关:2.25MHz 同步整流器:是 工作温度:-40°C ~ 105°C（TA） 安装类型:表面贴装 封装/外壳:SOT-23-5 细型，TSOT-23-5 供应商器件封装:5-SOT 标准包装:1 |
| TPS62260TDRVRQ1 | 功能描述:直流/直流开关转换器 AC 2.25MHz 600mA SD Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TPS62261DRVR | 功能描述:直流/直流开关调节器 2.25MHz 600mA 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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