MIC4684 Datasheet, PDF (7/16 Pages) Micrel Semiconductor – 2A High-Efficiency SuperSwitcher Buck Regulator

MIC4684
Micrel
5V_OUT SOA with Standard
Configuration
2.5
T_A = 25°C
2
1.5
1
V_OUT = 5V
0.5
T_A = 60°C
T_J = 125°C
00 _{5 10 15 20 25 30 35}
INPUT VOLTAGE (V)
SOA Measured on the MIC4684 Evaluation Board.
3.3V_OUT SOA with Feed
2.5
Forward Diode
2
1.5
1
V_OUT = 3.3V
0.5
T_A = 60°C
T_J = 125°C
00
5
10
15
20
INPUT VOLTAGE (V)
SOA Measured on the MIC4684 Evaluation Board.
Note 1. With feed-forward diode implementation as seen in 5V to 3.3V
circuit on page 1.
2.5V_OUT SOA with Feed
2.5
Forward Diode
2
1.5
1
0.5
V_OUT = 2.5V
T_A = 60°C
T_J = 125°C
00
5
10
15
20
INPUT VOLTAGE (V)
SOA measured on the MIC4684 Evaluation Board.
1.8V_OUT SOA with Feed
2.5
Forward Diode
2
1.5
1
V_OUT = 1.8V
0.5
T_A = 60°C
T_J = 125°C
00
5
10
15
20
INPUT VOLTAGE (V)
SOA measured on the MIC4684 Evaluation Board.
July 2001
7
MIC4684