TPS22902BYFPR电源开关IC - 配电原裝德州TI

1 Features 2 Applications

1• Integrated P-Channel Load Switch • Personal Digital Assistants (PDAs)

• Low Input Voltage: 1 V to 3.6 V • Cellular Phones

• ON-Resistance (Typical Values) • GPS Devices

– rON = 78 mΩ at VIN = 3.6 V • MP3 Players

– rON = 93 mΩ at VIN = 2.5 V • Digital Cameras

– rON = 109 mΩ at V • Peripheral Ports IN = 1.8 V

– r • Portable Instrumentation ON = 146 mΩ at VIN = 1.2 V

• 500 mA Maximum Continuous Switch Current • RF Modules

• Quiescent Current: 82 nA at 1.8 V

3 Description • Shutdown Current: 44 nA at 1.8 V

The TPS22901, TPS22902, and TPS22902B are

• Low Control Input Thresholds Enable Use of small, low ON-resistance (rON) load switches with a

1.2-V, 1.8-V, 2.5-V, and 3.3-V Logic controlled turnon. These devices contain a P-channel

• Controlled Slew Rate to Avoid Inrush Currents MOSFET that operates over an input voltage range of

1.0 V to 3.6 V. The switch is controlled by an on/off – tr = 40 μs at VIN = 1.8 V (TPS22901/2)

input (ON), which can interface directly with low–

tr = 220 μs at VIN = 1.8 V (TPS22902B) voltage control signals. In the TPS22902 and

• Quick Output Discharge (TPS22902/2B) TPS22902B, an 88-Ω on-chip load resistor is added

• ESD Performance Tested Per JESD 22 for output quick discharge when the switch is turned

off.

– 2000-V Human Body Model

(A114-B, Class II) The TPS22901, TPS22902, and TPS22902B are

available in a space-saving 4-pin DSBGA (YFP) with – 1000-V Charged-Device Model (C101)

0.4-mm pitch. These devices are characterized for

TPS22902BYFPRTPS22902BYFPRTPS22902BYFPRTPS22902BYFPR

1功能2应用

•集成p通道负载开关•个人数字助理(pda)

•低输入电压:1 V至3.6 V•移动电话

•ON-Resistance(典型值)•GPS设备

——罗恩= 78 mΩVIN = 3.6 V•MP3播放器

——罗恩= 93 mΩVIN = 2.5 V•数码相机

——罗恩= 109 mΩV•周边港口= 1.8 V

- r•便携式仪器在VIN = 146 mΩ= 1.2 V

•500毫安最大连续开关电流•射频模块

•静止电流:1.8 V时为82 nA

关闭电流:44 nA at 1.8 V

TPS22901、TPS22902和TPS22902B是

•低控制输入阈值允许使用小的、低通电阻(rON)负载开关

1.2-V、1.8-V、2.5-V、3.3-V逻辑控制turnon。这些设备包含一个p通道

•控制旋转速度，以避免在输入电压范围内运行的涌流MOSFET

1.0 V至3.6 V。开关的开/关控制- tr = 40μs VIN = 1.8 V(TPS22901/2)

输入(ON)，可以直接与低-进行接口

tr = 220μs VIN = 1.8 V(TPS22902B)电压控制信号。在TPS22902和

•快速输出放电(TPS22902/2B)TPS22902B 88Ω芯片上的负载阻抗

•根据JESD 22测试ESD性能，在开关转动时输出快速放电

掉了。

- 2000-V人体模型

(A114-B, II类)TPS22901、TPS22902和TPS22902B

适用于节省空间的4针DSBGA (YFP)与- 1000-V收费设备模型(C101)

0.4毫米。这些装置的特点是

•四脚晶片芯片级DSBGA封装操作在自由空气温度范围内

- 0.8毫米×0.8毫米,0.8毫米,-40°C到85°C。

0.5毫米的高度(YFP)