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LQ05021QCS4
"5V, 2A Load switch with Slew Rate Ctrl" | Series: LQ05021QCS4
The LQ05021QCS4 is an ultra-efficiency, 2.0 A rated, load switch with integrated slew rate control. The best in class efficiency makes it an ideal choice for use in IoT, mobile, and wearable electronics.
It supports the lowest quiescent current (IQ) and shutdown current (ISD) in the industry. Low IQ and ISD solutions help designers to reduce parasitic leakage current, improve system efficiency, and increase battery lifetime.
The LQ05021QCS4 integrated slew rate control can also enhance system reliability by mitigating bus voltage swings during switching events. Where uncontrolled switches can generate high inrush currents that result in voltage droop and/or bus reset events, the slew rate control specifically limits inrush current during turn-on to minimize voltage droop.
The LQ05021QCS4 load switch device supports an industry leading wide input voltage range and helps to improve operating life and system robustness. Furthermore, one device can be used in multiple voltage rail applications which helps to simplify inventory management and reduces operating cost.
The LQ05021QCS4 load switch device is small utilizing a wafer level chip scale package with 4 bumps in a 0.77 mm x 0.77 mm x 0.46 mm die size and a 0.4 mm bump pitch.
| Property | Value |
|---|---|
eFuse_Package | WLCSP4 (0.77x0.77) |
eFuse_Rise Time | 430 |
Operation Voltage (V) | 1.1 ~ 5.5 |
Shut Down Current (µA) | 19 |
Continuous Current (A) | 2 |
eFuse_Quick Output Discharge | Yes |
Vmax (V) | 6 |
Quiescent Current (µA) | 1 |
Ron (mΩ) | 34 |
- Ultra-low IQ: 1 nA Typ @ 5.5 VIN
- Ultra-low ISD: 19 nA Typ @ 5.5 VIN
- Low RON = 34 mΩ Typ @ 5.5 VIN
- IOUT max = 2.0 A
- Wide input range: 1.1 V to 5.5 V, 6 Vabs max
- Controlled rise time: 430 μs at 3.3 VIN
- Internal EN pull-down resistor
- Integrated output discharge switch
- Ultra small: 4 bumps in a 0.77 mm x 0.77 mm x 0.46 mm WLCSP
LQ05021QCS4 Applications
- Mobile devices
- Data storage, SSD
- IoT devices
- Wearables
- Low power subsystems
LQ05021QCS4 Resources
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| Part Number | Part Description | RoHS | Pb-Free | RoHS (2015/863/EU) Certificate | REACH (SVHC's) Declaration | REACH (SVHC's) | Halogen Free | IPC-Material Declaration | |
|---|---|---|---|---|---|---|---|---|---|
| LQ05021QCS4 | "5V, 2A Load switch with Slew Rate Ctrl" | View More |
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See the Capabilities of Littelfuse Load Switch ICs CN
Learn how makers of portable electronics and wearables can use these subminiature eFuses to reduce parasitic leakage current and prolong battery life (with Chinese subtitles).
See the Capabilities of Littelfuse Load Switch ICs
Learn how makers of portable electronics and wearables can use these subminiature eFuses to reduce parasitic leakage current and prolong battery life.
See the Capabilities of Littelfuse Load Switch ICs JP
Learn how makers of portable electronics and wearables can use these subminiature eFuses to reduce parasitic leakage current and prolong battery life (with Japanese subtitles).