• 950nA quiescent current

• 86% efficiency at 10µA load (VIN = 3.6V,

VOUT = 3.3V) (ISL9123/A)

• 97% peak efficiency (VIN = 3.6V, VOUT = 3.3V)

(ISL9123/A)

• Input voltage range: 1.8V to 5.5V

• Output voltage range: 0.4V to 5.375V (ISL9123/A)

• Output voltage range: 0.4V to 1.180V (ISL9123B)

• Output current: up to 600mA (VIN > 2.5V)

• Selectable Forced and Auto Bypass power saving

modes (ISL9123/A only)

• PFM and PWM modes with seamless transition

• I2C control and voltage adjustability

• Hysteretic controller

• Auxiliary switched output (ISL9123/A only)

• Small 1.8mm×1.0mm 8 Bump WLCSP