UM3502QA Datasheet, PDF (5/13 Pages) Union Semiconductor, Inc. – Low-Profile, 600mA, Synchronous Step-Down Converter with Integrated Inductor

UM3502QA
Typical Performance Characteristics (Continued)
(V_IN=3.6V, V_OUT=1.8V, C_IN=4.7μF, C_OUT=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
I^ILLOOAAD⁼D²=⁰2⁰0^m0m^A A
I^IL^LOO^AA^D=D⁴=⁰4⁰0^m0m^A A
I^IL^LOO^AA^D=D⁶=⁰6⁰0^m0m^A A
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
Ilo^ILaOdAD=⁼1¹0⁰0^mm^AA
0 25 50 75 100 125
Temperature(℃)
Supply Current vs Input Voltage
80
70
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
(V_IN=3.5V to 4.5V, I_OUT=300mA)
VIN
2V/div
Load Transient Response
(V_IN=3.5V, I_OUT=100mA to 450mA)
IOUT
200mA/div
VOUT
100mV/div
50μs/div
VOUT
100mV/div
100μs/div
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http://www.union-ic.com Rev.01 Nov.2015
5/13