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http://www.union-ic.com Rev.05 Jan.2015

9/13

UM1770

Typical Characteristics (shown for 1.1V output option) (Continued)

VIN=3.3V, Io=50mA to 500mA

500mA/div

100mV/div

50

μs/div

IOUT

VOUT

VIN=3.3V to 4.3V, Io=500mA

2V/div

50mV/div

50

μs/div

VIN

VOUT

Line Transient Response

VIN=2.5V, Rout=10Ω

2V/div

500mV/div

20

μs/div

Startup Waveform

VEN

VOUT

VIN=2.5V, Rout=10Ω

2V/div

500mV/div

50

μs/div

VEN

VOUT

Shutdown Waveform

Load Transient Response