Datasheet > MIC33M350YMP-VAO

MIC33M350YMP-VAO

更新时间： 2024-02-08 17:20:53

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
32页	1107K
描述
3A, Pin Strapping Power Module with HyperLight LoadÂ® Mode and Output Voltage Select

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MIC33M350YMP-VAO 数据手册

MIC33M350

3A, Pin Strapping Power Module

with HyperLight Load^®Mode and Output Voltage Select

Features

General Description

The MIC33M350 device is a pin-selectable output

voltage, high-efficiency, low-voltage input, 3A current,

synchronous step-down regulator power module with

integrated inductor. The Constant On-Time (COT)

control architecture with HyperLight Load provides very

high efficiency at light loads, while maintaining an

ultra-fast transient response.

• 2.4V to 5.5V Input Voltage Range

• 3A Output Current

• Pin Strapping Voltage Selection:

- Three-state pins (nine voltage combinations)

- 0.6V, 0.8V, 0.9V, 1.0V, 1.2V, 1.5V, 1.8V, 2.5V

or 3.3V output voltage

• Passes Automotive AEC-Q104 Reliability Testing

The MIC33M350 output voltage is set by two V_SEL

(Voltage Selection) pins, between nine different values.

This method eliminates the need for an external

feedback resistor divider and improves the output

voltage setting accuracy.

• Reduced Component Count (no feedback

resistors)

• High Efficiency (up to 95%)

• Output Discharge when Disabled

• Constant On-Time Control with High Switching

Frequency:

The 2.4V to 5.5V input voltage range, low shutdown

and quiescent currents make the MIC33M350 device

ideal for single cell Li-Ion battery-powered applications.

The 100% duty cycle capability provides Low Dropout

operation, extending operating range in portable

systems.

- 1.2 MHz typical at 1.0V output voltage

• ±1.5% Output Voltage Accuracy Over

Line/Load/Temperature Range

• 0.8 ms/V Soft Start Speed

• Supports Safe Start-up with Pre-Biased Output

• Typical 1.5 µA Shutdown Supply Current

• Low Dropout Operation (100% duty cycle)

• Ultra Fast Transient Response

The MIC33M350 pinout is compatible with the

MIC33M356 I²C-based programmable regulator

version, such that applications can be easily converted.

An open-drain Power Good output is provided to

indicate when the output voltage is within 9% of

regulation and facilitates the interface with an MCU. If

set in shutdown (EN = GND), the MIC33M350 typically

draws 1.5 µA, while the output is discharged through

10pull-down.

• Latch-Off Thermal Shutdown Protection

• Latch-Off Current Limit Protection

• Power Good (PG) Open-Drain Output

• Meets CISPR32 Class B Radiated EMI

• Meets CISPR 25 Class 5 Radiated EMI

MIC33M350 is available in a thermally efficient

package: 24-Lead 3.0 mm x 4.5 mm x 1.8 mm QFN

package, with an operating junction temperature range

from -40°C to +125°C.

• Package: 3.0 mm × 4.5 mm × 1.8 mm,

24-Lead QFN

Applications

MIC33M350 passes Automotive AEC-Q104 Reliability

Testing.

• Solid State Drives (SSD)

• Tablets, Netbooks and Ultrabooks

• FPGAs, DSP and Low-Voltage ASIC Power

Horizontal Polarization

Vertical Polarization

FIGURE 1:

CISPR32, Class B (V = 5V, V

Radiated Emissions,

= 1V,

OUT

= 3A).

OUT

 2020-2021 Microchip Technology Inc.

DS20006348B-page 1

12 3 4 5 6 7...32

中文翻译

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与MIC33M350YMP-VAO相关器件

型号	品牌	获取价格	描述	数据表
MIC33M356	MICROCHIP	获取价格	The MIC33M356 is a high-efficiency, low-voltage input, 3A Continuous current synchronous s
MIC33M650	MICROCHIP	获取价格	The MIC33M650 is a high-efficiency, low-voltage input, 6Apeak current synchronous step-dow
MIC33M656	MICROCHIP	获取价格	The MIC33M656 is a high-efficiency, low-voltage input, 6Apeak current synchronous step-dow
MIC33M656-FAYMP-TR	MICROCHIP	获取价格	Switching Regulator
MIC33M656-HAYMP-TR	MICROCHIP	获取价格	Switching Regulator
MIC33M656-SAYMP-TR	MICROCHIP	获取价格	Switching Regulator
MIC3490	MICROCHIP	获取价格	The MIC3490 is a 100mA, highly accurate, low dropout regulator with high input voltage and
MIC3490-1.8YM5	MICROCHIP	获取价格	Fixed Positive LDO Regulator
MIC3490-1.8YM5-TR	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 1.8V, 0.45V Dropout, PDSO5
MIC3490-2.5YM5	MICROCHIP	获取价格	Fixed Positive LDO Regulator

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