Purchase MIC2168, In-stock MIC2168 From SeekIC.
Part Number: MIC2168
Description: The MIC2168 is a high-efficiency, simple to use 1MHz PWM synchronous buck control IC housed in a small MSOP-10 package....
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MIC2168
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General Description
MIC2168 General Description
The MIC2168 is a high-efficiency, simple to use 1MHz PWM synchronous buck control IC housed in a small MSOP-10 package. The MIC2168 allows compact DC/DC solutions with a minimal external component count and cost.
The MIC2168 operates from a 3V to 14.5V input, without the need of any additional bias voltage. The output voltage can be precisely regulated down to 0.8V. The adaptive all N-Channel MOSFET drive scheme allows efficiencies over 95% across a wide load range.
The MIC2168 senses current across the high-side N-Channel MOSFET, eliminating the need for an expensive and lossy current-sense resistor. Current limit accuracy is maintained by a positive temperature coefficient that tracks the increasing RDS(ON) of the external MOSFET. Further cost and space are saved by the internal in-rush-current limiting digital soft-start.
The MIC2168 is available in a 10-pin MSOP package, with a wide junction operating range of 40°C to +125°C.
All support documentation can be found on Micrel's web site at www.micrel.com.
MIC2168 Maximum Ratings
Supply Voltage (VIN) .................................................. 15.5V
Booststrapped Voltage (VBST) ............................... VIN +5V
Junction Temperature (TJ) ............ 40°C TJ +125°C
Storage Temperature (TS) ................... 65°C to +150°C
Booststrapped Voltage (VBST) ............................... VIN +5V
Junction Temperature (TJ) ............ 40°C TJ +125°C
Storage Temperature (TS) ................... 65°C to +150°C
MIC2168 Features
• 3V to 14.5V input voltage range
• Adjustable output voltage down to 0.8V
• Up to 95% efficiency
• 1MHz PWM operation
• Adjustable current-limit senses high-side N-Channel MOSFET current
• No external current sense resistor
• Adaptive gate drive increases efficiency
• Ultra-fast response with hysteretic transient recovery mode
• Overvoltage protection protects the load in fault conditions
• Dual mode current limit speeds up recovery time
• Hiccup mode short-circuit protection
• Internal soft-start
• Dual function COMP and EN pin allows low-power shutdown
• Small size MSOP 10-lead package
• Adjustable output voltage down to 0.8V
• Up to 95% efficiency
• 1MHz PWM operation
• Adjustable current-limit senses high-side N-Channel MOSFET current
• No external current sense resistor
• Adaptive gate drive increases efficiency
• Ultra-fast response with hysteretic transient recovery mode
• Overvoltage protection protects the load in fault conditions
• Dual mode current limit speeds up recovery time
• Hiccup mode short-circuit protection
• Internal soft-start
• Dual function COMP and EN pin allows low-power shutdown
• Small size MSOP 10-lead package
MIC2168 Typical Application
• Point-of-load DC/DC conversion
• Set-top boxes
• Graphic cards
• LCD power supplies
• Telecom power supplies
• Networking power supplies
• Cable modems and routers
• Set-top boxes
• Graphic cards
• LCD power supplies
• Telecom power supplies
• Networking power supplies
• Cable modems and routers
MIC2168 Connection Diagram
MIC2168
PDF/DataSheet Download
- Datasheet: MIC2168
- File Size: 163582 KB
- Manufacturer: MICREL [Micrel Semiconductor]
- Click here to Download
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