TPS22920
- Input Voltage Range: 0.75 V to 3.6 V
- Integrated Load Switch
- Integrated Pass-FET rDSON = 2 mΩ (Typ) at 3.6 V
- Typical ON-Resistance
- rON = 5.3 mΩ at VIN = 3.6 V
- rON = 5.4 mΩ at VIN = 2.5 V
- rON = 5.5 mΩ at VIN = 1.8 V
- rON = 5.8 mΩ at VIN = 1.2 V
- rON = 6.1 mΩ at VIN = 1.05 V
- rON = 7.3 mΩ at VIN = 0.75 V
- CSP-8 Package 0.9 mm × 1.9 mm, 0.5 mm Pitch
- 4-A Maximum Continuous Switch Current
- Shutdown Current 5.5-µA Max
- ON-Logic Available in Both Active High/Low:
- TPS22920 is Active High
- TPS22920L is Active Low
- Low Threshold Control Input
- Controlled Slew-Rate to Avoid Inrush Current
- Quick Output Discharge Resistor
- ESD Performance Tested Per JESD 22
- 4000-V Human-Body Model
(A114-B, Class II) - 1000-V Charged-Device Model (C101)
- 4000-V Human-Body Model
The TPS22920x is a small, space-saving load switch with controlled turn on to reduce inrush current. The device contains a N-channel MOSFET that can operate over an input voltage range of 0.75 V to 3.6 V and switch currents up to 4 A. An integrated charge pump biases the NMOS switch in order to achieve a minimum switch ON resistance (rON). The switch is controlled by an on/off input (ON), which is capable of interfacing directly with low-voltage control signals.
The TPS22920x has a 1250-Ω on-chip resistor for quick output discharge when the switch is turned off which insures that the output is not left floating.
The TPS22920x has an internally controlled rise time in order to reduce inrush current.
The TPS22920x is available in an ultra-small, space- saving 8-pin CSP package and is characterized for operation over the free-air temperature range of –40°C to 85°C.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TPS22920x 3.6-V, 4-A, 5.3-mΩ On-Resistance, Integrated Load Switch with Controlled Turn-on datasheet (Rev. D) | PDF | HTML | 2016年 1月 19日 |
| Application note | Load Switch Thermal Considerations (Rev. A) | 2018年 10月 11日 | ||
| Application note | Basics of Load Switches (Rev. A) | 2018年 9月 5日 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 2018年 6月 25日 | ||
| Application note | Selecting a Load Switch to Replace a Discrete Solution | 2017年 4月 30日 | ||
| Application note | Timing of Load Switches | 2017年 4月 27日 | ||
| Application note | Managing Inrush Current (Rev. A) | 2015年 5月 28日 | ||
| EVM User's guide | TPS22920EVM-002 User's Guide (Rev. A) | 2013年 8月 15日 |
設計與開發
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