Single-Channel Smart Load Switch
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The DML22990LWG is a 3.9mΩ, single-channel load switch with controlled and adjustable turn-on and integrated PG indicator.
The DML22990LWG is an N-channel MOSFET operating over an input-voltage range of 0.6V to 5.5V. The switch supports a maximum continuous current of 10A. 3.9mΩ switches on resistance minimize both the voltage drop across the load switch and the power loss from the load switch.
Controlled rise time of the device switch reduces inrush currents caused by large bulk load capacitance, thereby reducing or eliminating power-supply drop. Adjustable slew rate through CT provides the design flexibility to trade off inrush current and power up timing requirements. Integrated PG indicator notifies the system about the status of the load switch to facilitate seamless power sequencing.
The DML22990LWG has a 200Ω on-chip resistor for quick discharge of the output when switch is disabled. This avoids unknown state caused by floating supply to the downstream load.
| Type | Load Switch |
|---|---|
| AEC Qualified | No |
| Compliance (Only Automotive supports PPAP) | Standard |
| Maximum Continuous Output Current (A) | 10 |
| (MAX) Maximum Current Limit Fixed (A) | Not Limited |
| Adjustable Current Limit | No |
| Channels | 1 |
| Enable Logic | Active High |
| Minimum Operating Voltage (V) | 0.6 |
| Maximum Operating Voltage (V) | 5.5 |
| Quiescent Current Typ (µA) | 65 |
| RDS(ON) (VIN = 5V) Typ (mΩ) | 3.9 |
| Reverse Current Block | No |
| Minimum Power Supply Voltage (V) | 2.5 |
| Maximum Power Supply Voltage (V) | 5.5 |
| Output Discharge | Yes |
| (TYP) Output Rise Time mS | 0.015 |
| OCP Output Latch Off | No |
| OCP/SCP | No |
| OCP Flag | No |
| Power Good | open drain |
| Operating Ambient Temperature Range (°C) | -40 to 105 |
| Overtemperature Protection | No |
| UL Certificate | No |
