MIC4680_08 MICREL [Micrel Semiconductor], MIC4680_08 Datasheet - Page 6

• Manufacturer Part Number: MIC4680_08
• Description: 1A 200kHz SuperSwitcher Buck Regulator
• Manufacturer: MICREL [Micrel Semiconductor]

Functional Characteristics
Frequency Foldback
The MIC4680 folds the switching frequency back during a
hard short-circuit condition to reduce the energy per cycle
and protect the device.
Micrel, Inc.
March 2008
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
5
10
V
T
Demonstration
board layout
A
OUT
INPUT VOLTAGE (V)
= 60°C
Operating Area
= 5V
15
6
Safe
20
Current Limit
Minimum
25
30
Note
35
M9999-032808
MIC4680