Datasheet > A8188SLT-25

A8188SLT-25

更新时间： 2024-10-31 03:03:11

品牌	Logo	应用领域
三垦 - SANKEN		/
页数	文件大小	规格书
12页	163K
描述
Fixed Positive LDO Regulator, 2.5V, 0.3V Dropout, PSSO3, PLASTIC, TO-243AA, SOT-89, 3 PIN

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A8188SLT-25 数据手册

8188

PRELIMINARY INFORMATION

(subject to change without notice)

July 13, 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 A8188S— 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 250 mA (transient),

which is limited only by package power dissipation. Regulated output

voltages between 2.5 V and 3.3 V are trimmed at wafer probe.

A8188SLT-xx

A PMOS pass element provides a typical dropout voltage of only

90 mV at 60 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 A8188SL-xx

includes ENABLE inputs to give the designer complete control over

power up, standby, or power down.

Dwg. PS-022-2

where “-xx” is the required output voltage in tenths

These devices are supplied, without the ENABLE function, in a

standard 3-lead SOT-89/TO-243AA small-outline plastic transistor

package (suffix ‘LT’). Dual regulators (A8188SL-xx) are provided in

an 8-lead SOIC package. All devices are rated for operation over a

temperature range of -20°C to +85°C.

ABSOLUTE MAXIMUM RATINGS

Input Voltage, V_I. . . . . . . . . . . . . . 10 V

Peak Output Current,

FEATURES AND BENEFITS

I_OM. . . . . . . . . . . . . . . . . . 250 mA*

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

Operating Temperature Range,

I High Efficiency Provides Extended Battery Life

I 90 mV Typical Dropout Voltage at I_O= 60 mA

I 55 µA Typical Quiescent Current

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

Less Than 1 µA “Sleep” Current

†

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

Storage Temperature Range,

I 250 mA Peak Output Current

I Improved PSRR and Transient Performance

I Internal Thermal Protection

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

* Output current rating is limited by input

voltage, duty cycle, and ambient tempera-

ture. Under any set of conditions, do not

exceed a junction temperature of +150°C.

See following pages.

APPLICATIONS

I Cordless and Cellular Telephones

I Personal Data Assistants

I Personal Communicators

I Palmtop Computers

† Fault conditions that produce excessive

junction temperature will activate device

thermal shutdown circuitry. These condi-

tions can be tolerated but should be

avoided.

Always order by complete part number, e.g., A8188SLT-30 .

12 3 4 5 6 7...12

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与A8188SLT-25相关器件

型号	品牌	获取价格	描述	数据表
A8188SLT-26	ALLEGRO	获取价格	Fixed Positive LDO Regulator, 2.6V, 0.3V Dropout, PSSO3, PLASTIC, TO-243AA, SOT-89, SO-3
A8188SLT-29	ALLEGRO	获取价格	Fixed Positive LDO Regulator, 2.9V, 0.3V Dropout, PSSO3, PLASTIC, TO-243AA, SOT-89, SO-3
A8188SLT-32	ALLEGRO	获取价格	Fixed Positive LDO Regulator, 3.2V, 0.3V Dropout, PSSO3, PLASTIC, TO-243AA, SOT-89, SO-3
A8188SLT-33	SANKEN	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.3V Dropout, PSSO3, PLASTIC, TO-243AA, SOT-89, 3 PIN
A8188SLT-33	ALLEGRO	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.3V Dropout, PSSO3, PLASTIC, TO-243AA, SOT-89, SO-3
A8188SLT-XX	ALLEGRO	获取价格	LOW-DROPOUT REGULATORS - HIGH EFFICIENCY
A8188SLU-28	ALLEGRO	获取价格	Fixed Positive LDO Regulator, 2.8V, 0.3V Dropout, PDSO6, PLASTIC, TO-243AA, SOT-89, SO-6
A8188SLU-29	ALLEGRO	获取价格	Fixed Positive LDO Regulator, 2.9V, 0.3V Dropout, PDSO6, PLASTIC, TO-243AA, SOT-89, SO-6
A8188SLU-30	ALLEGRO	获取价格	Fixed Positive LDO Regulator, 3V, 0.3V Dropout, PDSO6, PLASTIC, TO-243AA, SOT-89, SO-6
A8188SLU-31	ALLEGRO	获取价格	Fixed Positive LDO Regulator, 3.1V, 0.3V Dropout, PDSO6, PLASTIC, TO-243AA, SOT-89, SO-6

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