Microchip MIC2169BYMM

Manufacturer No:

MIC2169BYMM

Manufacturer:

Microchip

Package:

10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

Description:

500kHz PWM Synchronous Buck Controller

Quantity:

Delivery:

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In Stock :Available

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MIC2169BYMM information

Microchip MIC2169BYMM technical specifications, attributes, parameters and parts with similar specifications to Microchip MIC2169BYMM.

Type
Parameter

Current Limit / Short Circuit Protection
Yes

Max Duty Cycle (%)
0.92

Enable Pin
Yes

Internal Voltage Bias
Yes

Iq Off (µA)
50

Input Voltage Max
14.5

Input Voltage Min
3

Output Voltage Min
0.8

Operating Supply Current (mA)
1.5

Package
10/MSOP

Soft Start
1

Supported Outputs
1

Supported Topologies
Sync. Buck

Typical Tolerance (%)
±1

Download datasheets and manufacturer documentation for Microchip MIC2169BYMM.

Data Sheets:

115827e81b84e22751d662073b8d1481.pdf

The MIC2169B is a high-efficiency, simple to use 500kHz PWM synchronous buck control IC housed in a small MSOP-10 ePad package. It allows compact DC/DC solutions with a minimal external component count and cost. The device features high output driver capability to drive loads up to 30A.

The MIC2169B operates from a 3V to 14.5V input, without the need of any additional bias voltage. The output voltage can be precisely regulated down to 0.8V. The adaptive all N-Channel MOSFET drive scheme allows efficiencies over 95% across a wide load range within the smallest possible printed circuit board space area.

The MIC2169B senses current across the high-side N-Channel MOSFET, eliminating the need for an expensive and lossy current-sense resistor. Current limit accuracy is maintained by a positive temperature coefficient that tracks the increasing R_DS(ON) of the external MOSFET. Further cost and space are saved by the internal in-rush-current limiting digital soft-start. The MIC2169B is identical to the MIC2169A except it supports pre-bias loads. Internal pre-bias circuit prevents output voltage drooping and excessive reverse inductor current when powering up with a pre-bias voltage at the output.

The MIC2169B is available in a 10-pin MSOP and a thermally-capable 10-pin ePad MSOP package, with a wide junction operating range of -40°C to +125°C.

3V to 14.5V input voltage range
Adjustable output voltage down to 0.8V
500kHz PWM operation
Up to 95% efficiency
Output pre-biased protection
Built-in 2.2? drivers to drive two N-Channel MOSFETs
Adaptive gate drive increases efficiency
Simple, externally-compensated voltage-mode PWM control
Short minimum ON time of 30ns allowing very low duty cycle
Fast transient response
Adjustable current limit senses high-side N-Channel MOSFET current
Hiccup mode short-circuit protection
No external current-sense resistor
Internal soft-start current source
Dual function COMP and EN pin allows low-power shutdown
Available in a small size 10-pin MSOP and 10-pin MSOP ePad package

User Guide

PURCHASE

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SHIPPING COST

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SHIPPING METHOD

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DELIVERY TIME

1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.