MIC4684BM Micrel Inc, MIC4684BM Datasheet - Page 7

• Manufacturer Part Number: MIC4684BM
• Description: IC REG BUCK 2A ADJ VOLT HE 8SOIC
• Manufacturer: Micrel Inc
• Series: SuperSwitcher™r
• Type: Step-Down (Buck)r

Specifications of MIC4684BM

• Mounting Type: Surface Mount
• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adj to 1.235V
• Current - Output: 2A
• Frequency - Switching: 200kHz
• Voltage - Input: 4 ~ 30 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-SOIC (3.9mm Width)
• No. Of Pins: 8
• Peak Reflow Compatible (260 C): No
• Current Rating: 2A
• Output Voltage Max: 1.235V
• Supply Voltage Max: 30V
• Leaded Process Compatible: No
• Voltage Regulator Type: Switching
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant, Lead free / RoHS Compliant

January 2010
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
Typical 2.5V
Standard Configuration
Typical 5V
Feed Forward Diode
5
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
5
10 15 20 25 30 35
V
T
T
V
T
T
OUT
A
J
OUT
A
J
= 125°C
= 60°C
= 125°C
= 60°C
= 2.5V
= 5V
OUT
OUT
10
SOA with
SOA with
T
15
A
= 25°C
20
7
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
Typical 1.8V
Typical 3.3V
Feed Forward Diode
Feed Forward Diode
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
5
V
T
T
5
OUT
A
J
V
T
T
= 125°C
= 60°C
A
J
OUT
= 125°C
= 60°C
= 1.8V
= 3.3V
OUT
10
10
OUT
SOA with
SOA with
15
15
20
20
M9999-012610
Micrel, Inc.