Datasheet > MIC2132

MIC2132

更新时间： 2024-11-07 14:55:07

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
48页	1861K
描述
The MIC2132 is an advanced constant on-time, dual phase synchronous buck controller featuring a un

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MIC2132 数据手册

MIC2132

75VDualPhase,AdvancedCOTBuckController,

Stackable for Multiphase Operation

Features

General Description

• Input Voltage Range: 8V to 75V

MIC2132 is a constant on-time, dual phase synchronous

buck controller featuring a unique adaptive on-time

control architecture with a stackable feature of up to

eight phases. MIC2132 operates over an input supply

range from 8V to 75V. The output voltage is adjustable

down to 0.6V with an ensured accuracy of ±1% at the

FBS pin. The device operates with programmable

switching frequency from 100 kHz to 1 MHz per phase.

• Input Down to 2V when V_DD= 5V from External

Supply

• Adjustable Output Voltage from 0.6V to 28V

• Adaptive Constant On-Time Control:

- High DeltaV™ operation

- Any Capacitor™ stable

The Hyper Speed Control^®architecture supports

ultrafast transient response under medium to heavy

loads. The soft start is also programmable externally

with a capacitor, thus enabling safe start-ups into heavy

loads. MIC2132 has a remote sense amplifier for

accurate output voltage control.

• 0.6V Internal Reference with ±1% Accuracy

• Novel Ripple Injection Method to Allow Greater

than 50% Duty Cycle Operation

• Operates in CCM, Stackable for Multiphase

Operation up to Eight Phases

• Accurate Current Balancing Between Phases

• Accurate 180° Phasing of Outputs

MIC2132 offers a full suite of protection features to

ensure protection of the IC during Fault conditions.

These include undervoltage lockout to ensure proper

operation, programmable soft start to reduce inrush

current, Hiccup mode short-circuit protection and

thermal shutdown.

• 100 kHz to 1 MHz Switching Frequency per Phase

• Secondary LDO to Improve System Efficiency

• Supports Start-up to Pre-Bias Output

• Remote Sense Amplifier for Tight Output Regulation

• Droop Feature to Support Adaptive Voltage

Positioning (AVP) for Improved Load

Transient Response

MIC2132 is available in a 32-pin, 5 mm x 5 mm VQFN

package with a -40°C to +125°C operating junction

temperature range.

• Precision Enable Function for Low Standby Current

• External Programmable Soft Start to Reduce

Inrush Current

Package Type

MIC2132

• Lossless R_DSONCurrent Sensing with NTC

Temperature Compensation or Resistor Sensing

Method

32-Pin 5 mm x 5 mm VQFN* (ML)

• Programmable Current Limit and Hiccup Mode

Short-Circuit Protection

DH2

SW2

DL2

• Thermal Shutdown with Hysteresis

• -40°C to +125°C Junction Temperature Range

• Compact Size: 5 mm x 5 mm 32-Pin VQFN

Package

AGND

PGND

ILIM

• AEC-Q100 Qualified (VAO Suffix)

CSH

Applications

• Distributed Power Systems

• Communications/Networking Infrastructure

• Printers, Scanners, Graphic and Video Cards

• FPGA, CPU, Memory, GPU Core Supplies

• Automotive POL

Includes Exposed Thermal Pad (EP); see

Table 3-1.



2022 Microchip Technology Inc. and its subsidiaries

DS20006654B-page 1

12 3 4 5 6 7...48

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与MIC2132相关器件

型号	品牌	获取价格	描述	数据表
MIC2133	MICROCHIP	获取价格	The MIC2133 is a constant on-time, dual phase synchronous buck controller featuring a uniq
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MIC2141BM5	MICROCHIP	获取价格	Switching Regulator, 360kHz Switching Freq-Max, PDSO5, SOT-23, 5 PIN
MIC2141BM5	MICREL	获取价格	Micropower Boost Converter
MIC2141-BM5	MICREL	获取价格	Micropower Boost Converter Preliminary Information
MIC2141-BM5	MICROCHIP	获取价格	SWITCHING REGULATOR, 360kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN
MIC2141BM5TR	MICREL	获取价格	Switching Regulator, Current-mode, 360kHz Switching Freq-Max, PDSO5, SOT-23, 5 PIN
MIC2141BM5TR	MICROCHIP	获取价格	Switching Regulator, Current-mode, 360kHz Switching Freq-Max, PDSO5, SOT-23, 5 PIN

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