MIC4682 Datasheet, PDF (7/15 Pages) Micrel Semiconductor – PRECISION CURRENT LIMIT SO-8 SUPERSWITCHER BUCK REGULATOR

MIC4682
Typical Safe Operating Area (SOA)^{(Note 1)}
5V Output SOA
2
1.8
1.6
T_A = 25°C
1.4
1.2
1
T_A = 60°C
0.8
0.6
V_OUT = 5V
0.4
T_J = 125°C
D = Max
0.2
Peak I = 2A
LIMIT
00 _{5 10 15 20 25 30 35 40}
INPUT VOLTAGE (V)
2.5V Output SOA
2
1.8
T_A = 25°C
1.6
1.4
1.2
T_A = 60°C
1.0
0.8
0.6
0.4
V_OUT = 2.5V
T_J = 125°C
D = Max
0.2
Peak I = 2A
LIMIT
00 _{5 10 15 20 25 30 35 40}
INPUT VOLTAGE (V)
Note 1. SOA measured on the MIC4682 evaluation board.
3.3V Output SOA
2
1.8
1.6
T_A = 25°C
1.4
1.2
1
T_A = 60°C
0.8
0.6
V_OUT = 3.3V
0.4
T_J = 125°C
D = Max
0.2
Peak I = 2A
LIMIT
00 _{5 10 15 20 25 30 35 40}
INPUT VOLTAGE (V)
1.8V Output SOA
2
1.8
1.6
T_A = 25°C
1.4
1.2
T_A = 60°C
1
0.8
V_OUT = 1.8V
0.6
T_J = 125°C
0.4
D = Max
0.2
Peak I = 2A
LIMIT
00 _{5 10 15 20 25 30 35 40}
INPUT VOLTAGE (V)
Functional Characteristics
Load Transient
Micrel
V_IN = 12V
V_OUT = 5V
2A
0A
TIME (20µs/div)
October 2003
7
M0334-102203