UM3510_16 Datasheet, PDF (8/13 Pages) Union Semiconductor, Inc. – 1A, 2.25MHz, Synchronous Step-Down DC-DC Converter

UM3510
Typical Operating Characteristics (Continued)
Load Transient Response
VIN=2.5V, VOUT=1.8V, MODE=L
VOUT
200mV/div
ILOAD _ILOAD=50mA
500mA/div
ILOAD=850mA
ILOAD=50mA
100μs/div
Load Transient Response
VIN=2.5V, VOUT=1.8V, MODE=H
VOUT
200mV/div
ILOAD _ILOAD=50mA
500mA/div
ILOAD=850mA
ILOAD=50mA
100μs/div
Line Transient Response
VIN=3.5V to 4.5V, VOUT=1.8V, ILOAD=50mA,
MODE=L
VIN
2.0V/div
VOUT
20mV/div
100μs/div
Line Transient Response
VIN=3.5V to 4.5V, VOUT=1.8V, ILOAD=50mA,
MODE=H
VIN
2.0V/div
VOUT
20mV/div
100μs/div
PFM Mode Operation
VIN=3.6V, VOUT=1.8V, ILOAD=10mA, MODE=L
VOUT
20mV/div
VSW
2.0V/div
50μs/div
PWM Mode Operation
VIN=3.6V, VOUT=1.8V, ILOAD=10mA, MODE=H
VOUT
20mV/div
VSW
2.0V/div
1.0μs/div
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http://www.union-ic.com Rev.01 Jan.2016
8/13