Purchase MIC2193, In-stock MIC2193 From SeekIC.
Part Number: MIC2193
Description: Micrel,Os MIC2193 is a high efficiency, PWM synchronou buck control IC housed in the SO-8 package. Its 2.9V ...
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MIC2193
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DataSheet
General Description
MIC2193 General Description
Micrel,Os MIC2193 is a high efficiency, PWM synchronou buck control IC housed in the SO-8 package. Its 2.9V to 14V input voltage range allows it to efficiently step down voltages in 3.3V, 5V, and 12V systems as well as 1- or 2-cell Li Ion battery powered applications.
The MIC2193 solution saves valuable board space. The device is housed in the space-saving SO-8 package, whose low pin-count minimizes external components. Its 400kHz PWM operation allows a small inductor and small output capacitors to be used. The MIC2193 can implement all- ceramic capacitor solutions.
The MIC2193 drives a high-side P-channel MOSFET, elimi- nating the need for high-side boot-strap circuitry. This feature allows the MIC2193 to achieve maximum duty cycles of 100%, which can be useful in low headroom applications. A low output driver impedance of 4 allows the MIC2193 to drive large external MOSFETs to generate a wide range of output currents.
The MIC2193 is available in an 8 pin SOIC package with a junction temperature range of -40 to +125 .
MIC2193 Maximum Ratings
Supply Voltage (VIN)..................................................15V
Digital Supply Voltage (VDD)........................................7V
Comp Pin Voltage (VCOMP).......................... -0.3V to +3V
Feedback Pin Voltage (VFB)......................... -0.3V to +3V
Current Sense Voltage (VIN - VCS).............. -0.3V to +1V
Power Dissipation (PD )...................285mW @ TA = 85
Ambient Storage Temp............................-65 to +150
ESD Rating Note 3.....................................................2kV
Digital Supply Voltage (VDD)........................................7V
Comp Pin Voltage (VCOMP).......................... -0.3V to +3V
Feedback Pin Voltage (VFB)......................... -0.3V to +3V
Current Sense Voltage (VIN - VCS).............. -0.3V to +1V
Power Dissipation (PD )...................285mW @ TA = 85
Ambient Storage Temp............................-65 to +150
ESD Rating Note 3.....................................................2kV
MIC2193 Features
` 2.9V to 14V input voltage range
` 400kHz oscillator frequency
` PWM current mode control
` 100% maximum duty cycle
`Front edge blanking
` 4 output drivers
` Cycle-by-cycle current limiting
` Frequency foldback short circuit protection
` 8 lead SOIC package
` 400kHz oscillator frequency
` PWM current mode control
` 100% maximum duty cycle
`Front edge blanking
` 4 output drivers
` Cycle-by-cycle current limiting
` Frequency foldback short circuit protection
` 8 lead SOIC package
MIC2193 Typical Application
· Point of load power supplies
· Distributed power systems
· Wireless Modems
· ADSL line cards
· Servers
· Step down conversion in 3.3V, 5V, and 12V systems
· 1-and 2-cell Li Ion battery operated equipment
· Distributed power systems
· Wireless Modems
· ADSL line cards
· Servers
· Step down conversion in 3.3V, 5V, and 12V systems
· 1-and 2-cell Li Ion battery operated equipment
MIC2193 Connection Diagram
MIC2193
PDF/DataSheet Download
- Datasheet: MIC2193
- File Size: 65032 KB
- Manufacturer: MICREL [Micrel Semiconductor]
- Click here to Download
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