Datasheet > MIC2310

MIC2310

更新时间： 2024-09-19 07:16:59

品牌	Logo	应用领域
麦瑞 - MICREL		控制器
页数	文件大小	规格书
34页	483K
描述
Single-FET, Constant Power-Limit Hot Swap Controller

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MIC2310 数据手册

MIC2310

Single-FET, Constant Power-Limit Hot

Swap Controller

General Description

Features

The MIC2310 is a single-channel, positive voltage,

constant power-limit hot swap controller designed to

provide for the safe insertion and removal of pc boards into

fixed, rack, and pedestal mid- or back-planes using few

external components. In addition, the MIC2310 employs a

patent-pending, output load power-limiting technique

where the current limit is inversely proportional to the

output load voltage, such that the power product will not

exceed the programmed power limit any longer than the

externally programmed primary overcurrent period. The

MIC2310 is ideally suited to address the power-limiting

and timing requirements per the UL60950 specification for

240-VA applications. The MIC2310 incorporates high-side

controller circuitry for an external N-channel MOSFET for

which the MOSFET drain current rate of change is user-

programmable via an external capacitor. The MIC2310

employs dual-speed, dual-level overcurrent fault

protection. The primary overcurrent detector response time

is programmable via an external current sense resistor and

the secondary overcurrent detector is 2-bit user-

programmable and exhibits a very fast (default) response

to faults to ensure that the system power supplies are

protected against catastrophic load current and short-

circuit faults. Additionally, an analog output (voltage) signal

is provided that is proportional to the steady-state load

current to allow monitoring of the system’s power. A

PWRGD signal is provided to indicate a valid output

voltage that can be used to enable a DC-DC power

module.

•

Provides safe PCB insertion and removal from live

+12V backplanes

•

Patent-pending, adaptive circuit breaker threshold

control

–

Maintains constant power product at output

Power-limit product (VA) is externally

programmable for various power applications

•

Dual-level, dual-speed overcurrent detection/protection

–

Programmable primary detector response time

Fast (< 1 µs) secondary detector response time to

short circuit conditions

User-programmable threshold settings via (2)

digital inputs

•

Steady-state load current monitoring

Programmable inrush current slew-rate control

Electronic circuit breaker functions after fault

–

Latch off

Automatic retry

•

Programmable input undervoltage lockout and

overvoltage protection

Fault reporting:

–

Open-drain ‘Power-is-Good’ output

Open-drain ‘I_FLT’ output signaling for all current

faults

–

Shorted R_SENSEand Damaged MOSFET detection

(D-G and D-S shorts)

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

Applications

• UL60950, EN60950, and CSA1950 systems (240-VA)

• General Power-limiting Applications

• Base stations

• Enterprise servers

• High-reliability servers

• Enterprise switch networks

• +12V backplanes

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-070108-A

July 2008

12 3 4 5 6 7...34

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与MIC2310相关器件

型号	品牌	获取价格	描述	数据表
MIC2310_08	MICREL	获取价格	Single-FET, Constant Power-Limit Hot Swap Controller
MIC2310-1ZTS	MICREL	获取价格	Single-FET, Constant Power-Limit Hot Swap Controller
MIC2310-1ZTS	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
MIC2310-1ZTSTR	MICREL	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24, LEAD FREE, TSSOP-24
MIC2310-1ZTS-TR	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
MIC2310-2ZTS	MICREL	获取价格	Single-FET, Constant Power-Limit Hot Swap Controller
MIC2310-2ZTS	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
MIC2310-2ZTSTR	MICREL	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24, LEAD FREE, TSSOP-24
MIC23150	MICREL	获取价格	4MHz PWM 2A Buck Regulator with HyperLight Load
MIC23150	MICROCHIP	获取价格	The MIC23150 is a high-efficiency 4MHz 2A synchronous buck regulator with HyperLight Load?

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