MIC4680-3.3BM Micrel Inc, MIC4680-3.3BM Datasheet - Page 14

• Manufacturer Part Number: MIC4680-3.3BM
• Description: IC REG BUCK 1A 3.3V 8SOIC
• Manufacturer: Micrel Inc
• Series: SuperSwitcher™r
• Type: Step-Down (Buck)r

Specifications of MIC4680-3.3BM

• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 1A
• Frequency - Switching: 200kHz
• Voltage - Input: 4 ~ 34 V
• Operating Temperature: -40°C ~ 125°C
• Output Current: 1.3A
• Output Voltage: 3.3VDC
• No. Of Pins: 8
• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• 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

Application Circuits
For continuously updated circuits using the MIC4680, see Application Hint 37 at www.micrel.com.
Micrel, Inc.
March 2008
+34V max.
+4.5V to +17V
J1
2
1
SOIC-8
SHDN
IN
U1 MIC4680BM MIC4417BM4
GND
Figure 7. Constant Current and Constant Voltage Battery Charger
5–8
SW
FB
Figure 8. +12V to –12V/150mA Buck-Boost Converter
3
4
Figure 9. 5V to 3.3V/5A Power Supply
Si4425DY
* I
SAT
14
= 8A
M9999-032808
MIC4680
3.3V/5A
GND