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| 型号： | TPS62232DRYR |
| 厂商： | Texas Instruments |
| 文件页数： | 1/35页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 1.2V 0.5A 6SON |
| 标准包装： | 5,000 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 1.2V |
| 输入电压： | 2.05 V ~ 6 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 3MHz |
| 电流 - 输出： | 500mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-UFDFN |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 6-SON（1.45x1） |
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TPS62230, TPS62231, TPS62232, TPS62233, TPS62234, TPS62235, TPS62236
TPS62237, TPS62238, TPS62239, TPS622310, TPS622311, TPS622312
TPS622313, TPS622314, TPS622315, TPS622316, TPS622317, TPS622318
SLVS941E – APRIL 2009 – REVISED DECEMBER 2010
2 MHz / 3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package
1
FEATURES
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2 MHz / 3 MHz Switch Frequency
Up to 94% Efficiency
Output Peak Current up to 500mA
Excellent AC and Transient Load Regulation
High PSRR (up to 90dB)
Small External Output Filter Components 1 μ H/
4.7 μ F
V IN range from 2.05V to 6V
Optimized Power Save Mode For Low Output
Ripple Voltage
Forced PWM Mode Operation
Typ. 22 μ A Quiescent Current
100% Duty Cycle for Lowest Dropout
Small 1 × 1.5 × 0.6mm 3 SON Package
12 mm 2 Minimum Solution Size
Supports 0.6 mm Maximum Solution Height
Soft Start with typ. 100 μ s Start Up Time
DESCRIPTION
The TPS6223X device family is a high frequency
synchronous step down DC-DC converter optimized
for battery powered portable applications. It supports
up to 500mA output current and allows the use of tiny
and low cost chip inductors and capacitors.
With a wide input voltage range of 2.05V to 6V the
device supports applications powered by Li-Ion
batteries with extended voltage range. The minimum
input voltage of 2.05V allows as well the operation
from Li-primary or two alkaline batteries. Different
fixed output voltage versions are available from 1.0V
to 3.3V.
The TPS6223X series features switch frequency up
to 3.8MHz. At medium to heavy loads, the converter
operates in PWM mode and automatically enters
Power Save Mode operation at light load currents to
maintain high efficiency over the entire load current
range.
Because of its excellent PSRR and AC load
regulation performance, the device is also suitable to
APPLICATIONS
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replace linear regulators to obtain better power
conversion efficiency.
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Portable Audio, Portable Media
Cell Phones
Low Power Wireless
Low Power DSP Core Supply
Digital Cameras
The Power Save Mode in TPS6223X reduces the
quiescent current consumption down to 22 μ A during
light load operation. It is optimized to achieve very
low output voltage ripple even with small external
component and features excellent ac load regulation.
For very noise sensitive applications, the device can
be forced to PWM Mode operation over the entire
V IN
2.05 V - 6 V
C IN
2.2 m F
TPS62231
VIN SW
EN FB
MODE GND
L
1/2.2 m H
C OUT
4.7 m F
V OUT
1.8 V
load range by pulling the MODE pin high. In the
shutdown mode, the current consumption is reduced
to less than 1 μ A. The TPS6223X is available in a 1 ×
1.5mm 2 6 pin SON package.
Total area
L1
V IN
GND
C2
12mm2
V OUT
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.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright ? 2009–2010, Texas Instruments Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS62232DRYT | 功能描述:直流/直流开关调节器 3 MHz Ultra Small 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 |
| TPS62233DRYR | 功能描述:直流/直流开关调节器 3MHz,500mA Step- 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 |
| TPS62233DRYT | 功能描述:直流/直流开关转换器 3MHz,500mA Step- 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 |
| TPS62233EVM-574 | 功能描述:电源管理IC开发工具 TPS62233 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 |
| TPS62234DRYR | 功能描述:直流/直流开关转换器 3MHz 500mA Step Down 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 |
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