MIC2182YSM

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Details for Microchip Technology

MIC2182YSM

High Efficiency Synchronous Buck Controller
Buy Directly from Microchip Technology (1001 in Stock)
$2.4700 per unit
Series Information for MIC2182YSM - Microchip Technology

Features

  • feature
    0.6% total regulation
  • feature
    1.25V to 6V Output voltage range
  • feature
    16-pin SOP and SSOP packages
  • feature
    300kHz oscillator frequency
  • feature
    5u2126 impedance MOSFET Drivers
  • feature
    600u00b5A typical quiescent current (skip-mode)
  • feature
    95% efficiency
  • feature
    Adjustable undervoltage lockout
  • feature
    Built-in undervoltage protection
  • feature
    Current sense blanking
  • feature
    Current-mode control
  • feature
    Cycle-by-cycle current limiting
  • feature
    Drives N-channel MOSFETs
  • feature
    Easily synchronizable
  • feature
    Frequency foldback overcurrent protection
  • feature
    Logic controlled micropower shutdown (IQ < 0.1u00b5A)
  • feature
    Precision 1.245V reference output
  • feature
    Sustained short-circuit protection at any input voltag

Description

DC/DC CTRL SYNC BUCK -40 TO 85DEG C
Micrel’s MIC2182 is a synchronous buck (step-down) switch- ing regulator controller. An all N-channel synchronous archi- tecture 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 MIC2182 operates from a 4.5V to 32V input and can operate with a maximum duty cycle of 86% for use in low- dropout conditions. It also features a shutdown mode that reduces quiescent current to 0.1µA. The MIC2182 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 inter- nally 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 MIC2182 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.

Specifications

Supply Voltage Min:
4.5V
Supply Voltage Max:
32V
No. of Outputs:
1 Output
Duty Cycle (%):
86%
Controller IC Case Style:
NSSOP
No. of Pins:
16Pins
Switching Frequency:
300kHz
Topology:
Synchronous Buck (Step Down)
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

DC DC Cntrlr Single-OUT Sync Buck 4.5V to 32V 16-Pin SSOP N

Avnet America product

Microchip Technology Inc

High Efficiency Synchronous Buck Controller

Avnet Europe

DC DC Cntrlr Single-OUT Sync Buck 4.5V to 32V 16-Pin SSOP N

Avnet Europe product

Future Electronics

MIC2182 Series 32 V 300 kHz 20A Synchronous Buck Regulator Controller - SSOP-16N