UR5515 Datasheet, PDF (7/8 Pages) Unisonic Technologies – 1.5A/3A BUS TERMINATION REGULATOR

UR5515
TYPICAL CHARACTERISTICS (cont.)


0.9V_TT @1.5A Transient Response
100
VREF = 0.9V
50 V_IN=1.8V
V_CNTL= 3.3V
Swiing Frequency=1kHz
0T
-50
2
1T
0
-1
-2
Time (250DŽS/Div)




0.31
0.30
0.29
Temperature vs. R _DS(ON)
V_CNTL=3.3V
V_REF=1.0V
V IN =0.9V
V_IN=0.85V
0.28
0.27
VIN=0.8V
0.26
0.25
0.24
0.23
0.22
25 35 45 55 65 75 85 95 105 115 125
Temperature (Ċ)




Output Short-Circuit Protection
12
Sink
10
8
T
6
V_IN=2.5V
V_CNTL=3.3V
V_REF=1.25V
4
2
0
-2
Force the output shorted to V_DDQ
-4
Time (5mS/Div)
CMOS IC
0.9V_TT @3A Transient Response
100
VREF=0.9V
50 _VIN=1.8V
VCNTL =3.3V
Swiing Frequency=1kHz
0
T
-50
4
2T
0
-2
-4
Time (250DŽS/Div)


0.32
0.31
0.30
Temperature vs. R_DS(ON)
V_CNTL=5.0V
V_REF=1.0V
V_IN=0.9V
V_IN=0.85V
0.29
0.28
V_IN=0.8V
0.27
0.26
0.25
0.24
0.23
25
35 45
55 65
75
85 95 105 115 125
Temperature (Ċ)
Output Short-Circuit Protection
12
Source
10
T
8
V_IN=2.5V
V_CNTL=3.3V
V _REF =1.25V
6
4
2
0
-2
Force the output shorted to V_DDQ
-4
Time (5mS/Div)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
7 of 8
QW-R502-056,A