TPS22901 - 3.6V，0.5A，78mΩ 负载开关

TPS22901是TI德州仪器公司的一款配电与蓄电产品，TPS22901是3.6V，0.5A，78mΩ 负载开关，本站介绍了TPS22901的封装应用图解、特点和优点、功能等，并给出了与TPS22901相关的TI元器件型号供参考。

TPS22901 - 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 NUMBER	PACKAGE	BODY SIZE (NOM)
TPS22901	DSBGA (4)	0.80 mm × 0.80 mm
TPS22902
TPS22902B

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