UM3500_16 Datasheet, PDF (6/11 Pages) Union Semiconductor, Inc. – 600mA, 1.5MHz, Synchronous Step-Down DC-DC Converter

UM3500
Typical Performance Characteristics
( L1=2.2µH, C1=4.7µF, C3=10µF, T_A=+25°C, unless otherwise noted.)
100
90
80
70
60
50
40
30
20
10
0
0.1
Ef^Efi^fc^fii^ceⁱn^ecⁿy^cyvs^vsL^.o^La^od^adCu^Cr^ure^rrn^et^nt
VIN=2.7V
VIN=3.6V
VIN=4.2V
1
10
100
Load Current(mA)
1000
100
90
80
70
60
50
40
30
20
10
0
0.1
E^Ef^ff^fic^iciⁱe^enⁿc^cy^yv^vs^s.L^Lo^oa^ad^dC^Cu^ur^rr^re^enⁿt^t
VIN=2.7V
VIN=3.6V
VIN=4.2V
1
10
100
Load Current(mA)
1000
100
90
80
70
60
50
40
30
20
10
0
0.1
E^Effi^fc^icie^ienⁿc^cy^yv^vs^s.L^Lo^oa^ad^dC^Cu^urre^renⁿt^t
VIN=2.7V
VIN=3.6V
VIN=4.2V
1
10
100
Load Current(mA)
1000
O^Ou^ut^tp^pu^ut^tV^Vo^ol^lt^ta^ag^ge vs^.L^Lo^oa^ad^dC^Cu^ur^rr^re^enⁿt^t
2.2
2.1 ^VIN=3.6V
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
0
200 400 600 800 1000 1200
Load Current(mA)
Ou^Ot^up^tu^pt^uV^t o^Vl^ota^ltg^ae^gevs^vsS^.u^Sp^up^ply^plV^yo^Vl^ota^ltg^ae^ge
1.820
1.815
1.810
1.805
I =600mA
O
1.800
1.795
I =100mA
O
1.790
1.785
I =10mA
O
1.780
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage(V)
Ou^Otp^uu^tt^pV^uo^t l^Vta^og^lte^agv^es^vT^se^.m^Tep^mer^pa^etu^rare^ture
1.800
1.798 VIN=3.6V
1.796
1.794
1.792
1.790
1.788
1.786
1.784
1.782
1.780
-50 -25 0 25 50 75 100 125
Temperature(^oC)
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http://www.union-ic.com Rev.04 May.2016
6/11