Datasheet > A8405SLH-50

A8405SLH-50

更新时间： 2024-01-12 14:28:22

品牌	Logo	应用领域
急速微 - ALLEGRO		光电二极管输出元件调节器
页数	文件大小	规格书
8页	115K
描述
Fixed Positive LDO Regulator, 5V, PDSO5, PLASTIC, SC-74A, SOT-23, SO-5

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A8405SLH-50 技术参数

生命周期：	Obsolete	零件包装代码：	SOT-23
包装说明：	LSSOP,	针数：	5
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.84
最小输入电压：	6 V	JESD-30 代码：	R-PDSO-G5
长度：	3 mm	功能数量：	1
端子数量：	5	工作温度TJ-Max：	150 °C
最大输出电压 1：	5.1 V	最小输出电压 1：	4.9 V
标称输出电压 1：	5 V	封装主体材料：	PLASTIC/EPOXY
封装代码：	LSSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	认证状态：	Not Qualified
调节器类型：	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	座面最大高度：	1.25 mm
表面贴装：	YES	端子形式：	GULL WING
端子节距：	0.95 mm	端子位置：	DUAL
宽度：	1.975 mm	Base Number Matches：	1

A8405SLH-50 数据手册

8405

PRELIMINARY INFORMATION

(subject to change without notice)

June 25, 1999

LOW-DROPOUT REGULATORS

— HIGH EFFICIENCY

Designed specifically to meet the requirement for extended opera-

tion of battery-powered equipment such as cordless and cellular tele-

phones, the A8405SLH voltage regulators offer the reduced dropout

voltage and quiescent current essential for maximum battery life.

Applicable also to palmtop computers and personal data assistants,

these devices deliver a regulated output at up to 200 mA (transient),

which is internally limited, providing short-circuit protection. Regu-

lated output voltages of 2.7, 2.8, 3.0, 3.2, 3.3, 3.6, 3.8, 4.0, and 5.0 V

are currently provided. Other voltages, down to 2.0 volts, are available

on special order.

A PMOS pass element provides a typical dropout voltage of only

100 mV at 100 mA of load current. The low dropout voltage permits

deeper battery discharge before output regulation is lost. Quiescent

current does not increase significantly as the dropout voltage is ap-

proached, an ideal feature in standby/resume power systems where data

integrity is crucial. Regulator accuracy and excellent temperature

characteristics are provided by a bandgap reference. The A8405SLH

includes an ENABLE input to give the designer complete control over

power up, standby, or power down.

Dwg. PS-021-6

These devices are supplied in a thermally enhanced 5-lead small-

outline plastic package similar to the SOT-23, and fitting the SC-74A

footprint. All devices are rated for operation over a temperature range

of -20°C to +85°C.

*BYPASS (fixed regulators) or

ADJUST (A8405SLH-ADJ only).

FEATURES AND BENEFITS

I High Efficiency Provides Extended Battery Life

I 100 mV Typical Dropout Voltage at I_O= 100 mA

I 80 µA Typical Quiescent Current

ABSOLUTE MAXIMUM RATINGS

I Low Output Noise

I 200 mA Current-Limited Output

I Improved PSRR and Transient Performance

Input Voltage, V_I. . . . . . . . . . . . . . . 7 V

Peak Output Current,

I_OM. . . . . . . . . . . . . . . . . . 200 mA*

Enable Input Voltage, V_E. . . . . . . . . . V_I

Operating Temperature Range,

T_A. . . . . . . . . . . . . -20°C to +85°C

Junction Temperature, T_J. . . . +150°C

Storage Temperature Range,

APPLICATIONS

I Cordless/Cellular/GSM/PHS Telephones

I Personal Data Assistants

I Personal Communicators

I Palmtop Computers

I GPS

T_S. . . . . . . . . . . . -40°C to +150°C

I Pagers

* Output current rating is limited by input

voltage, duty cycle, and ambient temperature.

Under any set of conditions, do not exceed a

junction temperature of +150°C. See follow-

ing pages.

Always order by complete part number, e.g., A8405SLH-xx , where “xx”

is the required output voltage in tenths or “ADJ” for adjustable.

12 3 4 5 6 7 8

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