Datasheet > AS1185

AS1185

更新时间： 2024-02-16 02:32:14

品牌	Logo	应用领域
AUSTIN		稳压器
页数	文件大小	规格书
7页	481K
描述
Low Dropout Regulator

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数据手册

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AS1185 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	DFP
包装说明：	DFP,	针数：	10
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.92
最大回动电压 1：	1 V	最大差分输入-输出电压：	30 V
最小差分输入-输出电压：	1.2 V	JESD-30 代码：	S-CDFP-F10
JESD-609代码：	e0	长度：	6.477 mm
功能数量：	1	端子数量：	10
工作温度TJ-Max：	175 °C	工作温度TJ-Min：	-55 °C
最大输出电流 1：	2.7 A	最大输出电压 1：	25 V
最小输出电压 1：	2.5 V	封装主体材料：	CERAMIC, METAL-SEALED COFIRED
封装代码：	DFP	封装形状：	SQUARE
封装形式：	FLATPACK	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	调节器类型：	ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：	2.794 mm	表面贴装：	YES
端子面层：	TIN LEAD	端子形式：	FLAT
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	6.477 mm
Base Number Matches：	1

AS1185 数据手册

LOW DROPOUT

REGULATOR

Austin Semiconductor, Inc.

AS1185

Low Dropout Regulator

PIN ASSIGNMENT

(Top View)

AVAILABLE AS MILITARY

SPECIFICATIONS

• Military Equipment Screening - MIL-STD-883, 1.2.2

10 Lead Flat Pack (F)

FEATURES

GND

V_OUT

GND

• Low Resistance Pass Transistor: 0.25Ω

• Dropout Voltage: 0.75V at 2.7A

• ±1% Reference Voltage

• Accurate Programmable Current Limit

• Shutdown Capability

V_IN

V_OUT

V_REF

V_IN

• Internal ReferenceAvailable

• Standard 10-Lead Packages

• Full Remote Sense

• Low Quiescent Current: ≈ 2.5mA

• Good High Frequency Ripple Rejection

OPTIONS

• Packages

MARKINGS

5V, 2.7A Regulator with 2.7A current limit

10 Lead Ceramic Flatpack

GENERAL DESCRIPTION

The AS1185 is a 2.7A low dropout regulator with adjustable

current limit and remote sense capability. It can be used as a

positive output regulator with floating input or as a standard

negative regulator with grounded input. The output voltage

range is 2.5V to 25V, with ±1% accuracy on the internal

reference voltage.

5.6K

AS1185

The AS1185 uses a saturation-limited NPN transistor as the

pass element. This device gives the linear dropout

characteristics of a FET pass element with significantly less die

area. High efficiency is maintained by using special

anti-saturation circuitry that adjusts base drive to track load

current. The “on resistance” is typically 0.25Ω.

Accurate current limit is programmed with a single 1/8W

external resistor, with a range of zero to three amperes. A

second, fixed internal limit circuit prevents destructive currents

if the programming current is accidentally overranged.

Assembly considerations for this package requires that

the fixed internal current limit circuit be bypassed at all times.

An external current limit resistor set to a maximum of 2.7A

must be used. Failure to do so on this package can result in

damage to the device.

For more products and information

please visit our web site at

www.austinsemiconductor.com

Shutdown of the regulator output is guaranteed when the

program current is less than 1µA, allowing external logic

control of output voltage.

AS1185

AustinSemiconductor,Inc.reservestherighttochangeproductsorspecificationswithoutnotice.

Rev. 1.1 6/05

12 3 4 5 6 7

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