LR18120 Datasheet, PDF (7/8 Pages) Unisonic Technologies – 2A LOW DROPOUT REGULATOR WITH ENABLE

LR18120
„ TYPICAL CHARACTERISTICS(Cont.)
2.55
2.54
2.53
2.52
2.51
2.5
2.49
2.48
2.47
2.46
2.45
3
Output Voltage vs. Input Voltage
I_O=0A
3.5
4
4.5
5
5.5
Input Voltage, V_IN (v)
Max. Power Dissipation vs.
PCB Top Copper Area
3.5
3
2.5
2
1.5
1
0.5
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
PCB Top Copper Area (in²)
Stop
Load Transient
CMOS IC
Reference Voltage vs. Input Voltage
0.812
0.808
0.804
0.8
0.796
0.792
0.788
3
3.5
4
4.5
5
5.5
Input Voltage, V_IN (v)
Max. Power Dissipation vs.T_AMB (still air)
3.5
3
A=5.0 in² _{A=4.5 in2}
A=4.0 in²
2.5
A=3.5 in²
A=3.0 in²
2
1.5
A=1.0 in²
1 _{A=1.5 in}2 _{A=2.0 in2}
0.5
A=2.5 in²
A=0.5 in²
0
25 35 45 55 35 75 85
T_AMB (°C)
Short Circuit Current
Stop
V_OUT
I_OUT
V_IN=3.3V,V_OUT=2.5V,I_OUT=0 to 2A
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R502-305.A