RT8015D Datasheet, PDF (8/14 Pages) Richtek Technology Corporation – 3A, 2MHz, Synchronous Step-Down Converter

RT8015D
Output Voltage vs. Temperature
3.34
3.32
3.30
3.28
3.26
3.24
3.22
-50 -25
0
25 50 75
Temperature (°C)
VIN = 5V
100 125
VOUT
(1V/Div)
VLX
(5V/Div)
ILX
(5A/Div)
PGOOD
(5V/Div)
Load Transient Response
VOUT_ac
(100mV/Div)
VIN = 5V, VOUT = 2.5V
IOUT = 0A to 3A
VLX
(5V/Div)
VOUT_ac
(10mV/Div)
UVP
VIN = 5V, VOUT = 1.05V
Time (4μs/Div)
Output Ripple
ILOAD
(1A/Div)
VIN
(5V/Div)
VLX
(5V/Div)
VOUT
(1V/Div)
PGOOD
(5V/Div)
Time (100μs/Div)
Start-up with No Load
VIN = 5V, VOUT = 10.5V, IOUT = 0A
Time (400μs/Div)
ILX
(2A/Div)
VIN = 5V, VOUT = 2.5V
IOUT = 3A
Time (400ns/Div)
Start-up with Heavy Load
VIN
(5V/Div)
VLX
(5V/Div)
VOUT
(1V/Div)
PGOOD
(5V/Div)
VIN = 5V, VOUT = 1.05V, IOUT = 3A
Time (400μs/Div)
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8
DS8015D-02 March 2011