RT8258 RICHTEK [Richtek Technology Corporation], RT8258 Datasheet - Page 5

• Manufacturer Part Number: RT8258
• Description: 1.2A, 24V, 700kHz Step-Down Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Typical Operating Characteristics
DS8258-02 March 2011
3.366
3.344
3.322
3.300
3.278
3.256
3.234
100
750
700
650
600
550
90
80
70
60
50
40
30
20
10
0
-50
0
0
Output Voltage vs. Output Current
V
-25
Efficiency vs. Output Current
0.2
0.2
IN
Frequency vs. Temperature
= 12V
V
V
IN
IN
= 24V
= 12V
0
0.4
Output Current (A)
0.4
Output Current (A)
Temperature (°C)
V
IN
= 12V, V
25
0.6
0.6
V
50
OUT
IN
= 24V
0.8
0.8
= 3.3V, I
75
V
OUT
OUT
1
1
100
= 0A
= 5V
125
1.2
1.2
3.366
3.344
3.322
3.300
3.278
3.256
3.234
600
575
550
525
500
475
450
425
400
100
90
80
70
60
50
40
30
20
10
0
-50
-50
0
V
Quiescent Current vs. Temperature
Output Voltage vs. Temperature
IN
= 12V
Efficiency vs. Output Current
-25
-25
V
0.2
IN
= 24V
0
0
0.4
Temperature (°C)
Temperature (°C)
Load Current (A)
25
25
0.6
50
50
V
RT8258
EN
0.8
www.richtek.com
75
= 2V, V
75
V
V
V
V
V
IN
OUT
IN
IN
IN
= 24V
I
OUT
= 12V
= 12V
= 24V
1
100
FB
100
= 3.3V
= 1V
= 0A
125
125
1.2
5