MIC4684-5.0BM Micrel Inc, MIC4684-5.0BM Datasheet - Page 8
![IC REG BUCK HI EFF 2A 5.0V 8SOIC](/photos/6/50/65078/576-8-soic_sml.jpg)
MIC4684-5.0BM
Manufacturer Part Number
MIC4684-5.0BM
Description
IC REG BUCK HI EFF 2A 5.0V 8SOIC
Manufacturer
Micrel Inc
Series
SuperSwitcher™r
Type
Step-Down (Buck)r
Datasheet
1.MIC4684-3.3BM_TR.pdf
(16 pages)
Specifications of MIC4684-5.0BM
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
5V
Current - Output
2A
Frequency - Switching
200kHz
Voltage - Input
4 ~ 30 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
Micrel, Inc.
Functional Characteristics
Frequency Foldback
The MIC4684 folds the switching frequency back during a hard short
circuit condition to reduce the energy per cycle and protect the device.
January 2010
Switching Frequency Foldback
200kHz
70kHz
TIME
Normal
Operation
Short
Circuit
Operation
8
V
V
I
OUT
IN
OUT
= 12V
= 1.0A to 0.1A
= 5V
Load Transient
TIME (100ms/div.)
M9999-012610
MIC4684
5.1V
5V
1A
0A