RT6218A/B
Reference Voltage vs. Temperature
Enable Threshold vs. Temperature
0.780
0.775
0.770
0.765
0.760
0.755
0.750
1.6
1.5
1.4
1.3
1.2
1.1
1.0
Rising
Falling
V
= 12V, I = 1A
OUT
IN
V
= 1V, I
= 0A
OUT
OUT
-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
V
= 12V, V
= 1.05V,
V
= 12V, V
= 1.05V,
OUT
IN
OUT
IN
I
= 0A to 2A, L = 2.2H
I
= 1A to 2A, L = 2.2H
OUT
OUT
V
OUT
V
OUT
(40mV/Div)
(40mV/Div)
I
OUT
(1A/Div)
I
OUT
(1A/Div)
Time (100s/Div)
Time (100s/Div)
Output Ripple Voltage
Power On Then Short
V
IN
V
= 12V, V
= 1.05V,
OUT
IN
(5V/Div)
I
= 2A, L = 2.2H
OUT
V
= 12V, V
= 5V
OUT
IN
V
OUT
V
OUT
(20mV/Div)
(2V/Div)
V
LX
(5V/Div)
Time (1s/Div)
Time (10ms/Div)
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10
DS6218A/B-01 October 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
