UM3501_15 Datasheet, PDF (5/11 Pages) Union Semiconductor, Inc. – 600mA, 1.2MHz, Synchronous Step-Down DC-DC Converter

UM3501
Typical Performance Characteristics (continued)
(V_IN = 3.6V, V_OUT = 1.8V, L1= 2.2µH, C1= 4.7µF, C3= 10µF, T_A = +25°C, unless otherwise
noted.)
Output Voltage vs Input Voltage
1.810
1.805
1.800
1.795
1.790
1.785
1.780
1.775
1.770
2.5
ILOAD=200mA
ILOAD=400mA
ILOAD=600mA
3.5
4.5
5.5
Input Voltage(V)
Output Voltage vs Temperature
1.810
1.805
1.800
1.795
1.790
1.785
1.780
1.775
1.770
1.765
1.760
1.755
1.750
-50 -25
IloIlaoVdaI=dN1==01300.m60VmA, _A
0 25 50 75 100 125
Temperature(℃)
Supply Current vs Input Voltage
80
70
VOUT=1.8V
60
50
40
30
20
10
2.5
3
3.5
4
4.5
5
5.5
Supply Voltage(V)
Frequency vs Input Voltage
1600
1400
1200
Iload=100mA
1000
800
600
400
200
2.5 3 3.5 4 4.5 5 5.5 6
Supply Voltage(V)
Line Transient Response
(Vout=1.8V, Iout=300mA)
Load Transient Response
(Vin=3.6V, Vout=1.8V)
VIN=3.5V to 4.5V
Iout=100mA to 600mA
VOUT 50mV/div 50μs/div
VOUT 100mV/div 50μs/div
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http://www.union-ic.com Rev.06 Feb.2015
5/11