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TPS22902 - 产品图解：
TPS22902-具有快速输出放电功能的 3.6V，0.5A，78mΩ 负载开关
TPS22902-配电与蓄电-集成负载开关-电源管理
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TI产品 - TPS22902介绍

TPS22902 - 具有快速输出放电功能的 3.6V，0.5A，78mΩ 负载开关

TPS22902是TI德州仪器公司的一款配电与蓄电产品，TPS22902是具有快速输出放电功能的 3.6V，0.5A，78mΩ 负载开关，本站介绍了TPS22902的封装应用图解、特点和优点、功能等，并给出了与TPS22902相关的TI元器件型号供参考。

TPS22902 - 具有快速输出放电功能的 3.6V，0.5A，78mΩ 负载开关 - 配电与蓄电 - 集成负载开关 - 德州仪器

产品特性
  • Integrated P-Channel Load Switch
  • Low Input Voltage: 1 V to 3.6 V
  • ON-Resistance (Typical Values)
    • rON = 78 mΩ at VIN = 3.6 V
    • rON = 93 mΩ at VIN = 2.5 V
    • rON = 109 mΩ at VIN = 1.8 V
    • rON = 146 mΩ at VIN = 1.2 V
  • 500 mA Maximum Continuous Switch Current
  • Quiescent Current: 82 nA at 1.8 V
  • Shutdown Current: 44 nA at 1.8 V
  • Low Control Input Thresholds Enable Use of 1.2-V, 1.8-V, 2.5-V, and 3.3-V Logic
  • Controlled Slew Rate to Avoid Inrush Currents
    • tr = 40 μs at VIN = 1.8 V (TPS22901/2)
    • tr = 220 μs at VIN = 1.8 V (TPS22902B)
  • Quick Output Discharge (TPS22902/2B)
  • ESD Performance Tested Per JESD 22
    • 2000-V Human Body Model (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)
  • Four-Pin Wafer-Chip-Scale DSBGA Package
    • 0.8-mm × 0.8-mm, 0.4-mm Pitch, 0.5-mm Height (YFP)
产品应用
  • Personal Digital Assistants (PDAs)
  • Cellular Phones
  • GPS Devices
  • MP3 Players
  • Digital Cameras
  • Peripheral Ports
  • Portable Instrumentation
  • RF Modules
产品说明

The TPS22901, TPS22902, and TPS22902B are small, low ON-resistance (rON) load switches with a controlled turnon. These devices contain a P-channel MOSFET that operates over an input voltage range of 1.0 V to 3.6 V. The switch is controlled by an on/off input (ON), which can interface directly with low-voltage control signals. In the TPS22902 and TPS22902B, an 88-Ω on-chip load resistor is added for output quick discharge when the switch is turned off.

The TPS22901, TPS22902, and TPS22902B are available in a space-saving 4-pin DSBGA (YFP) with 0.4-mm pitch. These devices are characterized for operation over the free-air temperature range of –40°C to 85°C.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS22901DSBGA (4)0.80 mm × 0.80 mm
TPS22902
TPS22902B
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