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MFG:MICREL  Package Cooled:TSSOP10  D/C:06+  

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Part Number: MIC2159

 

MFG: MICREL

Package Cooled: TSSOP10

D/C: 06+

Description: The MIC2159 is a high efficiency, simple to use synchronous buck controller ICs housed in a 10-pin MSO...


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MIC2159 General Description


The MIC2159 is a high efficiency, simple to use synchronous buck controller ICs housed in a 10-pin MSOP ePAD package. The MIC2159 switches at 400kHz, allowing the smallest possible external components and is designed to drive loads up to 30A. The devices feature high output driver capability, combined with an all n-channel synchronous architecture.

The MIC2159 operates from a 3V to 14.5V input and can be configured to generate output voltages as low as 0.8V. Efficiencies of over 95% can be achieved within the smallest possible printed circuit board space area.

The MIC2159 is available in a thermally capable 10-pin ePAD MSOP package, with an junction operating range from 40°C to +125°C.

MIC2159 Maximum Ratings

Supply Voltage (VIN)....................................................15.5V
Booststrapped Voltage (VBST)..................................VIN +5V
Junction Temperature Range..............40°C TJ +125°C
Ambient Storage Temp.............................65°C to +150°C

MIC2159 Features

• Small footprint 10-lead ePAD MSOP
• 3V to 14.5V input voltage range
• Adjustable output voltage down to 0.8V
• 400KHz operation
• Drives two n-channel MOSFETs
- Built-in 3 drivers
• Simple control: voltage-mode PWM
• Fast transient response
- Transient Hysteretic control
- Externally compensated
• Over-current protection
• Hiccup mode short-circuit protection
• Dual function COMP & EN pin
- ISD = 50A
• Short minimum ON time
- 30ns
- Very low duty cycle possible

MIC2159 Typical Application

• Point-of-Load DC/DC conversion
• High Current Power Supplies
• Telecom/datacom and Networking Power Supplies
• Servers and Workstations
• Graphics Cards and other PC Peripherals

MIC2159 Connection Diagram

MIC2159 Connection Diagram

MIC2159 datasheet

MIC2159YMME
PDF/DataSheet Download

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