RT6222A/B
Switching Frequency vs. Temperature
LS Switch Valley Current Limit vs. Temperature
600
575
550
525
500
475
450
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3.0
IN
V
= 12V, VOUT = 1V, IOUT = 1A
-50
-25
0
25
50
75
100
125
-50
-25
0
25 50 75 100 125
Temperature (°C)
Temperature (°C)
Load Transient Response
Load Transient Response
VIN = 12V, VOUT = 1V, IOUT = 0A to 2.5A
VIN = 12V, VOUT = 1V, IOUT = 1.25A to 2.5A
VOUT
(50mV/Div)
VOUT
(20mV/Div)
VSW
(5V/Div)
VSW
(5V/Div)
IOUT
(2A/Div)
IOUT
(2A/Div)
Time (100μs/Div)
Time (100μs/Div)
Output Ripple Voltage
Output Ripple Voltage
VIN = 12V, VOUT = 1V, IOUT = 2.5A
VIN = 12V, VOUT = 1V, IOUT = 1A
VOUT
(20mV/Div)
VOUT
(20mV/Div)
VSW
(5V/Div)
VSW
(5V/Div)
Time (2μs/Div)
Time (2μs/Div)
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8
DS6222A/B-01 August 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
