MIC2177YWM

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Details for Microchip Technology

MIC2177YWM

2.5A 200kHz Synchronous Switcher
Buy Directly from Microchip Technology (2114 in Stock)
$4.0700 per unit
Series Information for MIC2177YWM - Microchip Technology

Features

  • feature
    1.0mA in PWM mode
  • feature
    100% duty cycle for low dropout operation
  • feature
    100mu2126 internal power MOSFETs at 12V input
  • feature
    200kHz preset switching frequency
  • feature
    500u00b5A in skip mode
  • feature
    < 5u00b5A in shutdown mode
  • feature
    Current limit
  • feature
    Current-mode control
  • feature
    Dual-mode operation for high efficiency (up to 96%)
  • feature
    Low quiescent current
  • feature
    PWM mode for > 200mA load current
  • feature
    Simplified loop compensation
  • feature
    Skip mode for < 200mA load current
  • feature
    Superior line regulation
  • feature
    Ther

Description

SWITCHING REG BUCK 2.5A 20SOIC
The Micrel MIC2177 is a 200kHz synchronous buck (step- down) switching regulator designed for high-efficiency, battery-powered applications. The MIC2177 operates from a 4.5V to 16.5V input and features internal power MOSFETs that can supply up to 2.5A output current. It can operate with a maximum duty cycle of 100% for use in low-dropout conditions. It also features a shutdown mode that reduces quiescent current to less than 5µA. The MIC2177 achieves high efficiency over a wide output current range by switching between PWM and skip mode. Operating mode is automatically selected according to output conditions. Switching frequency is preset to 200kHz and can be synchronized to an external clock signal of up to 300kHz. The MIC2177 uses current-mode control with internal current sensing. Current-mode control provides superior line regulation and makes the regulator control loop easy to compensate. The output is protected with pulse-by-pulse current limiting and thermal shutdown. Undervoltage lockout turns the output off when the input voltage is less than 4.5V. The MIC2177 is packaged in a 20-pin wide power SO package with an operating temperature range of –40°C to +85°C. See the MIC2178 for externally selected PWM or skip-mode operation.

Specifications

Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
4.5V
Input Voltage Max:
16.5V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
SOIC
No. of Pins:
20Pins
Output Current:
200mA
Output Voltage Min:
1.25V
Output Voltage Max:
16.5V
Switching Frequency:
240kHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (15-Jan-2018)
Adjustable Output Voltage Max:
3.4V
Adjustable Output Voltage Min:
3.2V
Base Number:
2177
Frequency:
200kHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +85°C
Primary Input Voltage:
16.5V
Supply Voltage Min:
4.5V
Switch Output Current Isw Max:
6A
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Synchronous Buck

Alternate Descriptions

Avnet America

MCCMIC2177YWM

Microchip Technology Inc

2.5A 200kHz Synchronous Switcher

Avnet Europe

MCCMIC2177YWM

Future Electronics

MIC2177 Series 16.5 V 200 kHz 2.5 A Synchronous Buck Regulator - SOIC-20W