mic4684 Micrel Semiconductor, mic4684 Datasheet - Page 7

• Manufacturer Part Number: mic4684
• Description: Mic4684 2a High-efficiency Buck Regulator
• Manufacturer: Micrel Semiconductor

February 2005
MIC4684
SOA Measured on the MIC4684 Evaluation Board.
SOA measured on the MIC4684 Evaluation Board.
2.5
1.5
0.5
2.5
1.5
0.5
2
1
0
2
1
0
0
0
5V
2.5V
OUT
5
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
OUT
Forward Diode
5
Configuration
V
T
T
SOA with Standard
10 15 20 25 30 35
V
T
T
A
J
OUT
OUT
A
J
= 125°C
= 60°C
SOA with Feed
= 125°C
= 60°C
= 2.5V
= 5V
10
T
15
A
= 25°C
20
7
Note 1.
SOA measured on the MIC4684 Evaluation Board.
SOA Measured on the MIC4684 Evaluation Board.
With feed-forward diode implementation as seen in 5V to 3.3V
circuit on page 1.
2.5
1.5
0.5
2.5
1.5
0.5
2
1
0
0
2
1
0
0
3.3V
1.8V
INPUT VOLTAGE (V)
OUT
Forward Diode
5
INPUT VOLTAGE (V)
OUT
Forward Diode
5
V
T
T
V
T
T
OUT
A
J
OUT
A
J
SOA with Feed
= 125°C
= 125°C
= 60°C
= 60°C
SOA with Feed
= 1.8V
= 3.3V
10
10
15
15
20
20
M9999-021705
Micrel, Inc.