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The MAX891L/MAX892L smart, low-voltage, P-channel, MOSFET power switches are intended for high-side load-switching applications. These switches operate with inputs from 2.7V to 5.5V, making them ideal for both 3V and 5V systems. Internal current-limiting circuitry protects the input supply against overload. Thermal-overload protection limits power dissipation and junction temperatures.
The MAX891L/MAX892L's maximum current limits are 500mA and 250mA, respectively. The current limit through the switch is programmed with a resistor from SET to ground. When the switch is on, the quiescent supply current is a low 13µA. When the switch is off, the quiescent current decreases to 0.1µA.
The MAX891L/MAX892L are available in 8-pin µMAX® packages.
The MAX891L/MAX892L's maximum current limits are 500mA and 250mA, respectively. The current limit through the switch is programmed with a resistor from SET to ground. When the switch is on, the quiescent supply current is a low 13µA. When the switch is off, the quiescent current decreases to 0.1µA.
The MAX891L/MAX892L are available in 8-pin µMAX® packages.
主要特征
- Ultra-Small µMAX Package-Only 1.11mm High
- 2.7V to 5.5V Input Range
- Programmable Current Limit
- Low 13µA Quiescent Current at VIN = 3.3V, 0.1µA Switch Off
- Thermal Shutdown
- FAULT-bar Indicator Output
- On-Resistances:
- 0.12Ω (MAX891L)
- 0.25Ω (MAX892L)
应用/用途
- 接入总线插槽
- PCMCIA槽
- 便携式设备
技术文档
| 数据资料 | 限流型、高边P沟道开关，带有热关断 | Jun 01, 1997 |
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参量
Parametric specs for Current Limit and USB Power Switches
| Current Limit (mA) (min) | 500 |
| Current Limit (mA) (max) | 500 |
| # Power Switches | 1 |
| Fault Indicator | Yes |
| Current Limit Accuracy (%) | 15 |
| Current Limit Set By | Resistor |
| Lowest Adj. Setting (A) | 0.1 |
| RON (Ω) (typ) | 0.12 |
| VSUPPLY (V) (min) | 2.7 |
| VSUPPLY (V) (max) | 5.5 |
| Oper. Temp. (°C) | -40 to +85 |
| Package/Pins | UMAX/8 |
| Budgetary Price (See Notes) | $1.60 @1k |
主要特征
- Ultra-Small µMAX Package-Only 1.11mm High
- 2.7V to 5.5V Input Range
- Programmable Current Limit
- Low 13µA Quiescent Current at VIN = 3.3V, 0.1µA Switch Off
- Thermal Shutdown
- FAULT-bar Indicator Output
- On-Resistances:
- 0.12Ω (MAX891L)
- 0.25Ω (MAX892L)
应用/用途
- 接入总线插槽
- PCMCIA槽
- 便携式设备
描述
The MAX891L/MAX892L smart, low-voltage, P-channel, MOSFET power switches are intended for high-side load-switching applications. These switches operate with inputs from 2.7V to 5.5V, making them ideal for both 3V and 5V systems. Internal current-limiting circuitry protects the input supply against overload. Thermal-overload protection limits power dissipation and junction temperatures.
The MAX891L/MAX892L's maximum current limits are 500mA and 250mA, respectively. The current limit through the switch is programmed with a resistor from SET to ground. When the switch is on, the quiescent supply current is a low 13µA. When the switch is off, the quiescent current decreases to 0.1µA.
The MAX891L/MAX892L are available in 8-pin µMAX® packages.
The MAX891L/MAX892L's maximum current limits are 500mA and 250mA, respectively. The current limit through the switch is programmed with a resistor from SET to ground. When the switch is on, the quiescent supply current is a low 13µA. When the switch is off, the quiescent current decreases to 0.1µA.
The MAX891L/MAX892L are available in 8-pin µMAX® packages.
技术文档
| 数据资料 | 限流型、高边P沟道开关，带有热关断 | Jun 01, 1997 |
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