RT6253A/B
Frequency vs. Temperature
EN Threshold vs. Temperature
1.4
1.3
1.2
1.1
1.0
0.9
700
650
600
550
500
450
EN VIH
EN VIL
RT6253AHGJ6F
75 100 125
-50
-25
0
25
50
-50
-50
-50
-25
0
25
50
75
100
125
Temperature (°C)
Temperature (°C)
EN Threshold vs. Temperature
UVLO vs. Temperature
1.4
1.3
1.2
1.1
1.0
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
UVLO_H
EN VIH
UVLO_L
EN VIL
RT6253AHGJ6F
75 100 125
RT6253HGH6F
75 100 125
-50
-25
0
25
50
-25
0
25
50
Temperature (°C)
Temperature (°C)
UVLO vs. Temperature
Power On from EN
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
V
OUT
(5V/Div)
UVLO_H
V
EN
(2V/Div)
V
SW
(10V/Div)
UVLO_L
V
I
= 12V, V
= 5V
OUT
I
IN
L
RT6253AHGH6F
75 100 125
= 3A, L = 4.7H
(2A/Div)
OUT
-25
0
25
50
Time (1ms/Div)
Temperature (°C)
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is a registered trademark of Richtek Technology Corporation.
DS6253A/B-01 September 2019
www.richtek.com
17
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
