US211/A/B/C

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

7 of 9

www.unisonic.com.tw

QW-R502-A67.C



TEST CIRCUIT

CTL

GND

FLG

UTC

US211/A/B/C

Fig.4 UVLO at Rising & Falling

CTL

GND

FLG

UTC

US211/A/B/C

S2

A

S3

Fig.5 Current Limit vs. Input Voltage, Inrush Current Response,

Current Limit Transient Response

Note: Above test circuits reflected the graphs shown on “Typical Operating Characteristics” are as follows:

Fig.1

Turn-On Rising & Falling Time vs. Temperature, Turn-On & Off Response, Flag Response.

Fig.2

Supply Current vs. Input Voltage & Temperature, Switch Off Supply Current vs. Temperature, Turn-Off

Leakage Current vs. Temperature.

Fig.3

On-Resistance vs. Input Voltage & Temperature.

Fig.4

EN Threshold Voltage vs. Input Voltage & Temperature, Flag Delay Time vs. Input Voltage &

Temperature, UVLO Threshold vs. Temperature, UVLO at Rising & Falling.

Fig.5

Current Limit vs. Input Voltage/Temperature, Short Circuit Current Response, Short Circuit Current vs.

Temperature, Inrush Current Response, Soft-start Response, Ramped Load Response, Current Limit

Transient Response, Thermal Shutdown Response.