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MIC2548-2YMM: 产品描述Non-Isolated DC/DC Converters 0.5A 5V OUT SIP VERT; 产品类别模拟混合信号IC 驱动程序和接口; 文件大小1MB，共15页; 制造商Microchip(微芯科技); 官网地址https://www.microchip.com; 标准

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MIC2548-2YMM概述

Non-Isolated DC/DC Converters 0.5A 5V OUT SIP VERT

MIC2548-2YMM规格参数

参数名称	属性值
是否Rohs认证	符合
包装说明	TSSOP,
Reach Compliance Code	compliant
ECCN代码	EAR99
Factory Lead Time	6 weeks
内置保护	OVER CURRENT; THERMAL
接口集成电路类型	BUFFER OR INVERTER BASED PERIPHERAL DRIVER
JESD-30 代码	R-PDSO-G8
JESD-609代码	e4
长度	3 mm
湿度敏感等级	1
功能数量	1
端子数量	8
最高工作温度	85 °C
最低工作温度	-40 °C
输出电流流向	SINK
标称输出峰值电流	0.1 A
封装主体材料	PLASTIC/EPOXY
封装代码	TSSOP
封装形状	RECTANGULAR
封装形式	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）	260
认证状态	Not Qualified
座面最大高度	1.09 mm
最大供电电压	5.5 V
最小供电电压	2.7 V
标称供电电压	5 V
表面贴装	YES
温度等级	INDUSTRIAL
端子面层	Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式	GULL WING
端子节距	0.65 mm
端子位置	DUAL
处于峰值回流温度下的最长时间	40
接通时间	5000 µs
宽度	2.97 mm
Base Number Matches	1

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MIC2544/2548

Programmable Current Limit

High-Side Switch

General Description

The MIC2544 and MIC2548 are integrated, high-side

power switches optimized for low loss DC power switching

and other power management applications, including

Advanced Configuration and Power Interface (ACPI).

The MIC2544/48 is a cost-effective, highly integrated

solution that requires few external components to satisfy

USB and ACPI requirements.

Load current management features include a precision

resistor-programmable output current-limit and a soft-start

circuit which minimizes inrush current when the switch is

enabled. Thermal shutdown, along with current-limit,

protects the switch and the attached device.

The MIC2544/48’s open-drain flag output is used to

indicate current-limiting or thermal shutdown to a local

controller. The MIC2548 has an additional internal latch

which turns the output off upon thermal shutdown

providing robust fault control. The enable signal is

compatible with both 3V and 5V logic, and is also used as

the thermal shutdown latch reset for the MIC2548.

The MIC2544 and MIC2548 are available in active-high

and active-low enable versions in the 8-pin SOIC

(small-outline integrated circuit) and 8-pin MSOP (micro-

small-outline package).

Features

•

2.7V to 5.5V input

Adjustable current-limit up to 1.5A

Reverse current flow blocking (no “body diode”)

75μA typical on-state supply current

1μA typical off-state supply current

120mΩ maximum on-resistance

Open-drain fault flag

Thermal shutdown

Thermal shutdown output latch (MIC2548)

2ms (slow) turn-on and fast turnoff

Available with active-high or active-low enable

Applications

•

USB power distribution

PCI bus power switching

Notebook PC

ACPI power distribution

PC card hot swap applications

Inrush current-limiting

_________________________________________________________________________________________________________

Typical Application

Typical Advanced Configuration and Power Interface (ACPI) Application

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (

408

) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

April 2010

M9999-043010

MIC2548-2YMM相似产品对比

	MIC2548-2YMM	MIC2548-1YM-TR	MIC2544-2YM	MIC2548-2YM	MIC2548-2YMM-TR	MIC2544-1YM-TR	MIC2548-1YMM-TR
描述	Non-Isolated DC/DC Converters 0.5A 5V OUT SIP VERT	Power Switch ICs - Power Distribution	ESD Suppressors / TVS Diodes 400W ASYMMETRICAL TVS 7V,12V	Linear Voltage Regulators 5.0V 0.1A Positive	Power Switch ICs - Power Distribution	RS-422/RS-485 Interface IC 3-5.5V 1uA Tcvr Multiprotocol	USB Interface IC USB to Serial UART Enhanced IC SSOP-28
是否Rohs认证	符合	符合	符合	符合	符合	符合	符合
包装说明	TSSOP,	SOP,	SOP,	SOP,	TSSOP,	SOP,	TSSOP,
Reach Compliance Code	compliant	compliant	compliant	compliant	compliant	compliant	compliant
ECCN代码	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Factory Lead Time	6 weeks	10 weeks	10 weeks	10 weeks	10 weeks	6 weeks	10 weeks
内置保护	OVER CURRENT; THERMAL	OVER CURRENT; THERMAL	OVER CURRENT; THERMAL	OVER CURRENT; THERMAL	OVER CURRENT; THERMAL	OVER CURRENT; THERMAL	OVER CURRENT; THERMAL
接口集成电路类型	BUFFER OR INVERTER BASED PERIPHERAL DRIVER	BUFFER OR INVERTER BASED PERIPHERAL DRIVER	BUFFER OR INVERTER BASED PERIPHERAL DRIVER	BUFFER OR INVERTER BASED PERIPHERAL DRIVER	BUFFER OR INVERTER BASED PERIPHERAL DRIVER	BUFFER OR INVERTER BASED PERIPHERAL DRIVER	BUFFER OR INVERTER BASED PERIPHERAL DRIVER
JESD-30 代码	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8
JESD-609代码	e4	e4	e4	e4	e4	e4	e4
长度	3 mm	4.9 mm	4.9 mm	4.9 mm	3 mm	4.9 mm	3 mm
湿度敏感等级	1	3	1	3	1	1	1
功能数量	1	1	1	1	1	1	1
端子数量	8	8	8	8	8	8	8
最高工作温度	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
最低工作温度	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
输出电流流向	SINK	SINK	SINK	SINK	SINK	SINK	SINK
标称输出峰值电流	0.1 A	0.1 A	0.1 A	0.1 A	0.1 A	0.1 A	0.1 A
封装主体材料	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
封装代码	TSSOP	SOP	SOP	SOP	TSSOP	SOP	TSSOP
封装形状	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
封装形式	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）	260	260	260	260	260	260	260
认证状态	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
座面最大高度	1.09 mm	1.879 mm	1.879 mm	1.879 mm	1.09 mm	1.879 mm	1.09 mm
最大供电电压	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
最小供电电压	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V
标称供电电压	5 V	5 V	5 V	5 V	5 V	5 V	5 V
表面贴装	YES	YES	YES	YES	YES	YES	YES
温度等级	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
端子面层	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)	NICKEL PALLADIUM GOLD	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
端子节距	0.65 mm	1.27 mm	1.27 mm	1.27 mm	0.65 mm	1.27 mm	0.65 mm
端子位置	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
处于峰值回流温度下的最长时间	40	40	40	40	40	40	40
接通时间	5000 µs	5000 µs	5000 µs	5000 µs	5000 µs	5000 µs	5000 µs
宽度	2.97 mm	3.9 mm	3.9 mm	3.9 mm	2.97 mm	3.9 mm	2.97 mm
Base Number Matches	1	-	1	1	-	1	-

MIC2548-2YMM