Power Switch Lo Side 1A 4-Pin WCSP

The TCK108G is load switch ICs for a general power management with slew rate control driver, featuring low switch ON resistance and wide input voltage operation from 1.1 to 5.5 V. Switch ON resistance is only 49 m? typical at 5.0 V, 500 mA condition and output current is available on 1.0 A. TCK108G feature output auto-discharge function. These devices are available in 0.4 mm pitch ultra small package WCSP4 (0.79 mm x 0.79 mm, t: 0.5 mm) .Thus this devices is ideal for portable applications that require high-density board assembly such as cellular phone.

• Wide input voltage operation: Vin = 1.1 to 5.5 V
• High output current: Iout = 1.0 A
• Low ON resistance:
  • Ron = 49 m? (typ.) at Vin = 5.0 V, 500 mA
  • Ron = 57 m? (typ.) at Vin = 3.3 V, 500 mA
  • Ron = 83 m? (typ.) at Vin = 1.8 V, 500 mA
  • Ron = 143 m? (typ.) at Vin = 1.2 V, 200 mA
  • Ron = 176 m? (typ.) at Vin = 1.1 V, 200 mA
• Built in Slew rate control driver
• Built in Auto-discharge (TCK108G)
• Active Low (TCK108G)
• Ultra small package: WCSP4 (0.79 mm x 0.79 mm, t: 0.5 mm)