Datasheet > AAT4650IHS-T1

AAT4650IHS-T1

更新时间： 2024-02-27 08:45:23

品牌	Logo	应用领域
ANALOGICTECH		开关电源开关 PC
页数	文件大小	规格书
12页	430K
描述
5V/3V PC Card Power Switch

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技术参数
数据手册

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AAT4650IHS-T1 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	TSSOP, TSSOP8,.25	Reach Compliance Code：	unknown
风险等级：	5.82	JESD-30 代码：	R-PDSO-G8
湿度敏感等级：	3	端子数量：	8
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装等效代码：	TSSOP8,.25	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	电源：	3/5 V
认证状态：	Not Qualified	子类别：	Power Management Circuits
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	0.635 mm
端子位置：	DUAL	Base Number Matches：	1

AAT4650IHS-T1 数据手册

AAT4650

5V/3V PC Card Power Switch

™

SmartSwitch

General Description

Features

The AAT4650 SmartSwitch™ is a single channel PC

Card (PCMCIA) power switch. It is used to select

between two different voltage inputs, each between

2.7V and 5.5V. An internal switch powers the cir-

cuitry from whichever input voltage is higher. The

device's output, V_CC, is slew rate controlled and cur-

rent limited, in compliance with PC Card specifica-

tions. The current limit response time to a short cir-

cuit is typically 1µs. The internal P-Channel MOS-

FET switches are configured to break before make,

that is, both switches cannot be closed at the same

time. Controlled by a 2 bit parallel interface, the four

states for V_CCare V_CC5, V_CC3, Hi-impedance, or

Ground. When in the ground state, V_CCis pulled to

ground by a 5kΩ resistor. An open drain FAULT out-

put is asserted during over-current conditions.

During power up slewing, FAULT also signals that

•

2.7V to 5.5V Input voltage range

85mΩ (5V) typical R_DS(ON)

Low quiescent current 15µA (typ)

Reverse-blocking switches

Short-circuit protection

Over-temperature protection

FAULT flag output

Temp range -40 to 85°C

8 pin SOP or TSSOP package

Applications

•

Notebook Computer

PDA, Subnotebook

Power Supply Multiplexer Circuit

V_CCis out of tolerance. An internal over temperature

sensor forces V_CCto a high impedance state when

an over-temperature condition exists. Quiescent

current is typically a low 15µA, as long as I_CCis less

than approximately 500mA. Above this load current,

the quiescent current increases to 200µA.

The AAT4650 is available in 8-pin SOP and

TSSOP packages specified over -40 to 85°C.

Typical Application

VCC5

VCC3

V^CC3

CTL1

CTL0

FAULT

GND

6,7

V^CC

VCC

CTL1

CTL0

FAULT

AAT4650

CIN5

CIN3

COUT

1µF

0.1µF

GND

4650.2001.10.0.93

12 3 4 5 6 7...12

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