MIC2177-5.0YWM-TR More Semiconductors - ICs by Microchip Technology

2.5A 200kHz Synchronous Buck Regulator

Status: Active
Series: MIC2177
RoHS: Compliant
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The 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 shut down 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.

Prices starting from US$6.21


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Features

4.5V to 16.5V input voltage range
Dual-mode operation for high efficiency (up to 96%)
PWM mode for > 200mA load current
Skip mode for < 200mA load current
100 mO internal power MOSFETs at 12V input
200kHz preset switching frequency
Low quiescent current
1.0mA in PWM mode
500µA in skip mode
< 5µA in shutdown mode
100% duty cycle for low dropout operation
Current-mode control
Simplified loop compensation
Superior line regulation
Current limit
Thermal shutdown
Undervoltage lockout

Specifications

Regulator Type Step Down (Buck)
pricing 0
Supported Output 0
Minimum Input Voltage (V) 0
Maximum Input Voltage (V) 16
Output Current (mA) Max 0
Maximum Frequency (kHz) 0
Vref (V) 0
Duty Cycle Min (%) 0
Duty Cycle Max (%) 1
Switching Frequency (kHz) 200
Input Voltage Range Min 4.5
Input Voltage Range Max 16.5
Output Current 2500
Temp Range Min -40
Temp Range Max 85
Vout Min (V) 1.245
Vout Max (V) 16.5
Quiescent Current (mA) typ 0.5
Light Load Efficiency Mode Yes
Switch current (A) typ 0
Automotive Rated No
SHUTDOWN Current (µA) (Typ) 1
# of Outputs 1
Vfb (V) 1.245
Synchronous Rectifier Yes
Pins | Packaging 20 | SOIC
Temp Range -40C to +85C
Packing Media Tape and reel (1000)

Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.542
Shipping Weight (kg) 0.311875
Lead Count 20
Package Type SOIC
Package Width or Size .300in
Soldering Composition Matte Tin

Alternative Descriptions

2.5A 200Khz Synchronous Switcher 20 Soic .300In T/R Rohs Compliant: Yes |Microchip MIC2177-5.0YWM-TR | Newark Electronics
Conv DC-DC Single Step Down 4.5V 16.5V 20-Pin WSOIC T/R | Avnet America


Frequently Asked Questions

Where can I find additional details, specifications and documents for a MIC2177-5.0YWM-TR?

Additional datasheets, footprints and schematics for MIC2177-5.0YWM-TR are listed on our Part Details page. You can also find images and similar parts to MIC2177-5.0YWM-TR on this page.

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What category does MIC2177-5.0YWM-TR fall under?

The MIC2177-5.0YWM-TR is listed under Semiconductors - ICs > More Semiconductors - ICs.

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Is the MIC2177-5.0YWM-TR RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

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Authorised distributors including Newark Electronics and Avnet America have stock available or on a lead time for MIC2177-5.0YWM-TR.

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