MIC4680-5.0YM Micrel Inc, MIC4680-5.0YM Datasheet - Page 6

• Manufacturer Part Number: MIC4680-5.0YM
• Description: IC REG BUCK 200KHZ 1A 5.0V 8SOIC
• Manufacturer: Micrel Inc
• Series: SuperSwitcher™r
• Type: Step-Down (Buck)r

Specifications of MIC4680-5.0YM

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 1A
• Frequency - Switching: 200kHz
• Voltage - Input: 4 ~ 34 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Input Voltage: 12V
• Output Current: 1.3A
• Output Voltage: 5V
• No. Of Outputs: 1
• Supply Voltage Range: 4V To 34V
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 2 - 1 Year
• Dc To Dc Converter Type: Step Down
• Pin Count: 8
• Switching Freq: 220KHz
• Efficiency: 90%
• Package Type: SOIC
• Output Type: Fixed
• Switching Regulator: Yes
• Mounting: Surface Mount
• Input Voltage (min): 4V
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 576-3379-5; MIC4680-5.0YM

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