UM3510_16 Datasheet, PDF (5/13 Pages) Union Semiconductor, Inc. – 1A, 2.25MHz, Synchronous Step-Down DC-DC Converter

UM3510
Typical Operating Characteristics
100
90
80
70
60
50
40
30
20
10
0
1
EEfffifcicieiennccyyvvss.. LLooaad Currrreenntt
V^VO^oUT^u=^t=1¹.8^.8V^V,^,P^Po^ow^we^er^r Save ^MM^oo^dd^ee
V_VI_INN₌=₂2_..₅5_VV
VI_INN==33..66VV
VIINN⁼=⁴4^..²2^VV
V^VI^INN⁼=⁶6^..⁰0^VV
10
100
Output Current (mA)
1000
100
90
80
70
60
50
40
30
20
10
0
1
Ef^Efic^ffi^ceⁱn^ecⁿy^cyv^vs^s. ^.L^Lo^oa^ad^dC^Curr^enn^tt
VO^VU^oT=^u1^t=.8^1.V⁸,^VF^{, F}o^orc^rce^ed^dP^PW^WM^M M^oo^dd^ee
VI_IN_N==22..55VV
VIINN==33..66VV
V^VI^IN^N==⁴4^..²2^VV
V^VI^IN^N==⁶6^..⁰0^VV
10
100
Output Current (mA)
1000
100
90
80
70
60
50
40
30
20
10
0
1
EEfffifcicieiennccyyvvss.. LLooad Cuurrrreenntt
VVOoUTu=t=33.3.3VV,,PPoowweerr Save MMooddee
VVININ=3=.36.V6V
VVININ=4=.42.V2V
V_VIN_IN=6₌.₆0_.V_0V
10
100
Output Current (mA)
1000
100
90
80
70
60
50
40
30
20
10
0
1
EffEicfifeicniecnycvysv.sL. oLaodadCCuurrreenntt
VOUVTo=u3t.=33V.3, VF,oFrocrecdedPPWWMMMMooddee
V_VIN_IN=₌3₃._.6₆V_V
VVININ==44..22VV
V^VIN^IN=⁼6⁶.^.0⁰V^V
10
100
Output Current (mA)
1000
1.840
OOuuttppuut VVoltage vss.. LLooaaddCCuurrerennt t
VVOoUuT=t=11.8.8VV, ,MMOoDdEe=L
1.840
OOuutptpuuttVVoollttaagge vs. LLooaaddCCuurrerennt t
VVoOUuTt==11..88VV, ,MMOoDdeE=H
1.835
1.835
1.830
1.830
1.825
1.825
1.820
1.815
1.810
1
VVI_IN_N==22.5.5VV
VVIINN==33.6.6VV
V^VIINN⁼=⁴4^.2.2^VV
V^VI^IN^N==⁶6^.0.0^VV
10
100
Output Current (mA)
1000
1.820
1.815
1.810
1
VVININ==2.55VV
V^VININ=^=3.66^VV
V^VIN^IN=⁼⁴4^..²2^VV
V^VIN^IN=⁼⁶6^..⁰0^VV
10
100
Output Current (mA)
1000
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