RT8282B RICHTEK [Richtek Technology Corporation], RT8282B Datasheet - Page 6

• Manufacturer Part Number: RT8282B
• Description: 2A, 23V, 1.2MHz Synchronous Step-Down Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT8282B
Typical Operating Characteristics
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6
0.820
0.815
0.810
0.805
0.800
0.795
0.790
0.785
0.780
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
100
90
80
70
60
50
40
30
20
10
0
0.0
-40 -25 -10
Reference Voltage vs. Temperature
4
6
0.3
Frequency. vs. Input Voltage
Efficiency vs. Output Current
8
0.5
5
10
V
V
Output Current (A)
Temperature (°C)
Input Voltage (V)
IN
IN
20
0.8
V
= 12V
= 23V
12
IN
= 12V, V
35
1.0
14
50
V
16
OUT
OUT
1.3
65
= 3.3V, I
= 3.3V, I
18
80
1.5
V
OUT
20
95 110 125
OUT
OUT
= 3.3V
1.8
22
= 0A
= 0A
2.0
24
0.820
0.815
0.810
0.805
0.800
0.795
0.790
0.785
0.780
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
3.36
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25
3.24
0.0
-40 -25 -10
4
Reference Voltage vs. Input Voltage
Output Voltage vs. Output Current
0.2
6
Frequency vs. Temperature
0.4
8
5
0.6
10
Input Voltage (V)
Output Current (A)
Temperature (°C)
20
V
0.8
12
IN
35
= 12V, V
DS8282B-01 March 2011
1.0
14
V
V
50
IN
IN
V
1.2
16
= 23V
= 12V
OUT
OUT
65
= 3.3V, I
1.4
= 3.3V, I
18
80
V
1.6
OUT
20
95 110 125
OUT
OUT
= 3.3V
1.8
22
= 0A
= 0A
2.0
24