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MIC2182BM

High-Efficiency Synchronous Buck Controller Final Information

  • Package/Case :
  • SOP-16
  • Product Categories :
  • Switch, DC to DC regulator, the controller
  • RoHs Status:
  • Lead free/RoHS Compliant
  • In-stock:
  • 110

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MIC2182BM Product Details

General Description 

Micrel’s MIC2182BM is a synchronous buck (step-down) switching regulator controller. An all N-channel synchronous architecture and powerful output drivers allow up to a 20A output current capabilty. The PWM and skip-mode control scheme allows efficiency to exceed 95% over a wide range of load current, making it ideal for battery powered applications, as well as high current distributed power supplies.

The MIC2182BM operates from a 4.5V to 32V input and can operate with a maximum duty cycle of 86% for use in lowdropout conditions. It also features a shutdown mode that reduces quiescent current to 0.1µA.

The MIC2182BM achieves high efficiency over a wide output current range by automatically switching between PWM and skip mode. Skip-mode operation enables the converter to maintain high efficiency at light loads by turning off circuitry pertaining to PWM operation, reducing the no-load supply current from 1.6mA to 600µA. The operating mode is internally selected according to the output load conditions. Skip mode can be defeated by pulling the PWM pin low which reduces noise and RF interference.

The MIC2182BM is available in a 16-pin SOP (small-outline package) and SSOP (shrink small-outline package) with an operating range from –40°C to +85°C.

Features
• 4.5V to 32V Input voltage range
• 1.25V to 6V Output voltage range
• 95% efficiency
• 300kHz oscillator frequency
• Current sense blanking
• 5Ω impedance MOSFET Drivers
• Drives N-channel MOSFETs
• 600µA typical quiescent current (skip-mode)
• Logic controlled micropower shutdown (IQ < 0.1µA)
• Current-mode control
• Cycle-by-cycle current limiting
• Built-in undervoltage protection
• Adjustable undervoltage lockout
• Easily synchronizable
• Precision 1.245V reference output
• 0.6% total regulation
• 16-pin SOP and SSOP packages
• Frequency foldback overcurrent protection
• Sustained short-circuit protection at any input voltage
• 20A output current capability
Applications
• DC power distribution systems
• Notebook and subnotebook computers
• PDAs and mobile communicators
• Wireless modems
• Battery-operated equipment

MIC2182BM

Feature

  • 4.5V to 32V Input voltage range
  • 1.25V to 6V Output voltage range
  • 95% efficiency
  • 300kHz oscillator frequency
  • Current sense blanking
  • 5ω impedance MOSFET Drivers
  • Drives N-Channel MOSFETs
  • 600µA typical quiescent current (skip-mode)
  • Logic controlled micropower shutdown (IQ <0.1µA)
  • Current-mode control
  • Cycle-by-cycle current limiting
  • Built-in undervoltage protection
  • Adjustable undervoltage lockout
  • Easily synchronizable
  • Precision 1.245V reference output
  • 0.6% total regulation
  • 16-pin SOP and SSOP packages
  • Frequency foldback overcurrent protection
  • Sustained short-circuit protection at any input voltage
  • 20A output current capability

MIC2182BM Products

MIC2182BM Pinout
(Picture: Pinout)

MIC2182BM Block Diagram
(Picture: Diagram)

Technical Parameters

  • Output Type
  • Transistor Driver
  • Function
  • Step-Down
  • Output Configuration
  • Positive
  • Topology
  • Buck
  • Number of Outputs
  • 1
  • Output Phases
  • 1
  • Voltage Supply (Vcc/Vdd)
  • 4.5V ~ 32V
  • Frequency Switching
  • 300kHz
  • Duty Cycle (Max)
  • 86%
  • Synchronous Rectifier
  • Yes
  • Clock Sync
  • Yes
  • Control Features
  • Enable, Soft Start
  • Operating Temperature
  • -40??C ~ 85??C (TA)
  • Package / Case
  • 16-SOIC (0.154, 3.90mm Width)
  • Supplier Device Package
  • 16-SOIC

MIC2182BM Documents

  • MIC2182 Technical Documentation of Application Note

MIC2182BM Related Products

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Guarantees

1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Jotrin guarantee that MIC2182BM is the original manufacturer or agent of MICROCHIP?
We have a professional business development department to strictly test and verify the qualifications of MICROCHIP original manufacturers and agents. All MICROCHIP suppliers must pass the qualification review before they can publish their MIC2182BM devices; we pay more attention to the channels and quality of MIC2182BM products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of MIC2182BM chips? Including MICROCHIP original factory information, Switch, DC to DC regulator, the controller application, MIC2182BM pictures?
You can use Jotrin's intelligent search engine, or filter by PWM Controllers – Buck Products category, or find it through Microchip Technology, Inc Information page.
Q: Are the MICROCHIP's MIC2182BM price and stock displayed on the platform accurate?
The MICROCHIP's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for MIC2182BM, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
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Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of MIC2182BM?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MIC2182BM we delivered, we will accept the replacement or return of the MIC2182BM only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of MIC2182BM.
(3)The MIC2182BM is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as MIC2182BM datasheet pdf, MIC2182 pin diagram?
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Microchip Technology, Inc

Microchip
Microchip Technology Inc. is a leading manufacturer of microcontroller and analog products, providing low-risk product development, lower total system cost, and faster time to market for thousands of diverse customer applications worldwide. Microchip offers outstanding technical support along with d...
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