LQ05022QCS4

LQ05022QCS4 is a 5V, 4A ultra low consumption load switch with true reverse current blocking. It represents a cutting-edge, fully integrated high-efficiency load switch device equipped with true reverse current blocking (TRCB) technology and output voltage slew rate control. With its leading true reverse current blocking (TRCB) performance and ultra-low threshold voltage, this device prevents reverse current when VOUT exceeds VIN voltage. It offers a typical 14Mohm RON at 5.5V, minimizing power loss during operation. Furthermore, it offers a ultra-low shutdown current (ISD) to curtail power wastage and battery drain when in the off state. If EN is pulled low and the output is grounded, this device can achieve a typical ISD as low as 56nA at 5.5V. It is used in applications such as mobile devices, wearables, IoT devices, low power subsystems.

• True reverse current blocking
• Supply voltage range from 1.5V to 5.5V
• Internal EN pull-down resistor
• Supply current is 1.9μA typical at (EN = enable, IOUT = 0mA, VIN = VEN = 5.5V)
• Shutdown current is 5nA typical at (EN = disable, IOUT = 0mA, VIN = 1.5V)
• On-resistance is 14mohm typical at (VIN = 5.5V, IOUT = 500mA, TA = 25°C)
• VOUT rise time is 730μs typical at (ROUT = 150 ohm, COUT = 0.1µF)
• RCB trigger time is 18.3μs typical at (VIN = 3.3V, enabled, VOUT <gt/> VIN + 37mV)
• Turn-on delay is 450μs typical at (ROUT = 150 ohm, COUT = 0.1µF)
• Wide operating temperature range from -40°C to 85°C, 4-pin WLCSP package