Datasheet > MIC2103

MIC2103

更新时间： 2024-11-06 14:53:15

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
44页	2471K
描述
The MIC2103/04 are constant-frequency, synchronous buck controllers featuring a unique adaptive ON

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MIC2103 数据手册

MIC2103/4

75V Synchronous Buck Controllers

Featuring Adaptive ON-Time Control

Features

General Description

• Hyper Speed Control^®Architecture Enables:

The MIC2103/4 are constant-frequency, synchronous

buck controllers that feature a unique adaptive ON-time

control architecture. The MIC2103/4 operates over an

input supply range from 4.5V to 75V and can be used

to supply up to 15A of output current. The output

voltage is adjustable down to 0.8V with a guaranteed

accuracy of ±1%. The device operates with

programmable switching frequency from 200 kHz to

600 kHz.

- High Delta V Operation

(V_IN= 75V and V_OUT= 1.2V)

- Any Capacitor™ Stable

• 4.5V to 75V Input Voltage

• Adjustable Output Voltage from 0.8V to 24V (Also

Limited by Duty Cycle)

• 200 kHz to 600 kHz Programmable Switching

Frequency

• HyperLight Load^®Control (MIC2103 Only)

• Hyper Speed Control (MIC2104 Only)

• Enable Input, Power-Good Output

The HyperLight Load architecture provides the same

high-efficiency and ultra-fast transient response as the

Hyper Speed Control architecture under medium to

heavy loads, but also maintains high efficiency under

light load conditions by transitioning to variable

frequency, discontinuous-mode operation.

• Built-In 5V Regulator for Single-Supply Operation

• Programmable Current-Limit and Fold-Back

“Hiccup” Mode Short-Circuit Protection

The MIC2103/4 offers a full suite of protection features

to ensure protection of the IC during fault conditions.

These include undervoltage lockout to ensure proper

operation under power-sag conditions, internal

soft-start to reduce inrush current, fold-back

current-limit, “hiccup” mode short-circuit protection and

thermal shutdown.

• 5 ms Internal Soft-Start, Internal Compensation

and Thermal Shutdown

• Supports Safe Start-Up into a Pre-Biased Output

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

• Available in 16-Pin 3 mm x 3 mm VQFN Package

Applications

• Distributed Power Systems

Package Type

• Networking/Telecom Infrastructure

• Printers, Scanners, Graphic Cards and Video

Cards

AGND

VDD

PVDD

ILIM

BST

Please see pin descriptions in Table 3-1.

2017-2022 Microchip Technology Inc. and its subsidiaries

DS20005899B-page 1

12 3 4 5 6 7...44

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与MIC2103相关器件

型号	品牌	获取价格	描述	数据表
MIC2103_13	MICREL	获取价格	75V, Synchronous Buck Controllers featuring Adaptive On-Time Control
MIC2103YML	MICREL	获取价格	75V, Synchronous Buck Controllers featuring Adaptive On-Time Control
MIC2103YML-TR	MICROCHIP	获取价格	75V Synchronous Buck Controllers Featuring Adaptive ON-Time Control
MIC2104	MICREL	获取价格	75V, Synchronous Buck Controllers featuring Adaptive On-Time Control
MIC2104	MICROCHIP	获取价格	The MIC2103/04 are constant-frequency, synchronous buck controllers featuring a unique ada
MIC2104YML	MICREL	获取价格	75V, Synchronous Buck Controllers featuring Adaptive On-Time Control
MIC2104YML-TR	MICROCHIP	获取价格	75V Synchronous Buck Controllers Featuring Adaptive ON-Time Control
MIC2111	MICREL	获取价格	Single-Phase, Multi-Mode, High-Performance, Step-Down PWM Controller
MIC2111AYML	MICREL	获取价格	Single-Phase, Multi-Mode, High-Performance, Step-Down PWM Controller
MIC2111B	MICREL	获取价格	High-Performance, Multi-Mode, Step-Down Controller

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