Datasheet > LP38513

LP38513

更新时间： 2024-09-16 11:12:23

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
26页	1678K
描述
具有电源正常指示和使能功能的 3A 超低压降稳压器，1.8V 输出

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LP38513

SNVS361E –JULY 2007–REVISED NOVEMBER 2015

LP38513 3-A Fast Response Ultra-Low Dropout Linear Regulator

1 Features

3 Description

The LP38513 fast-response ultra-low dropout linear

regulator operates from a 2.25-V to 5.5-V input

supply. This device responds very quickly to step

changes in line or load conditions, making it suitable

•

Input Supply Voltage 2.25 V to 5.5 V

Conversions from 2.5-V Rail to 1.8-V Rail

Stable with Ceramic Capacitors

Low Ground Pin Current

for

low-voltage

microprocessor

applications.

Developed on a CMOS process, with a PMOS pass

transistor, the LP38513 has low quiescent-current

operation independent of the output load current.

Load Regulation of 0.1% for 10 mA to 3-A Load

Current

•

60-μA Typical Quiescent Current in Shutdown

•

Ground Pin Current: Typically 12 mA at 3-A load

current.

Disable Mode: Typically 60 µA quiescent current

when the enable (EN) pin is pulled low.

ERROR Flag: The ERROR flag goes low if V_OUT

falls more than typically 15% below the nominal

value.

Mode

•

Specified Output Current of 3 A

Specified V_OUTAccuracy of ±2.6% With

T_Jfrom 0°C to +125°C

•

ERROR Flag Indicates V_OUTStatus

Overtemperature and Overcurrent Protection

−40°C to +125°C Operating T_JRange

•

Precision Output Voltage: A specified V_OUT

accuracy of ±2.6% with T_Jfrom 0°C to 125°C.

Device Information⁽¹⁾

2 Applications

PART NUMBER

LP38513

PACKAGE

BODY SIZE (NOM)

•

Microprocessor Power Supplies

GTL, GTL+, BTL, and SSTL Bus Terminators

Power Supplies for DSPs

SCSI Terminator

TO-220 (5)

14.986 mm × 10.16 mm

DDPAK/TO-263 (5) 10.16 mm × 8.42 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Post Regulators

Battery Chargers

Other Battery Powered Applications

Typical Application

OUT

10 mF

Ceramic

10 mF

Ceramic

OUT

LP38513

10 kW

OFF

ERROR

GND

ERROR

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...26

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LP38513 替代型号

型号	品牌	替代类型	描述	数据表
LP3873	TI	功能相似	3A Fast Ultra Low Dropout Linear Regulators
LP3876-ADJ	TI	功能相似	LP3876-ADJ 3A Fast Ultra Low Dropout Linear Regulator

与LP38513相关器件

型号	品牌	获取价格	描述	数据表
LP38513-ADJ	NSC	获取价格	3A Fast-Transient Response Adjustable Low-Dropout Linear Voltage Regulator
LP38513-ADJ	TI	获取价格	具有低噪声和使能功能的 3A、可调节超低压降稳压器
LP38513S-1.8	NSC	获取价格	3A Fast Response Ultra Low Dropout Linear Regulator
LP38513S-1.8/NOPB	NSC	获取价格	IC VREG 1.8 V FIXED POSITIVE LDO REGULATOR, 0.425 V DROPOUT, PSSO5, TO-263, 5 PIN, Fixed P
LP38513S-1.8/NOPB	TI	获取价格	具有电源正常指示和使能功能的 3A 超低压降稳压器，1.8V 输出 \| KTT \| 5 \|
LP38513SX-1.8	NSC	获取价格	3A Fast Response Ultra Low Dropout Linear Regulator
LP38513SX-1.8/NOPB	TI	获取价格	具有电源正常指示和使能功能的 3A 超低压降稳压器，1.8V 输出 \| KTT \| 5 \|
LP38513T-1.8	NSC	获取价格	3A Fast Response Ultra Low Dropout Linear Regulator
LP38513T-1.8/NOPB	TI	获取价格	具有电源正常指示和使能功能的 3A 超低压降稳压器，1.8V 输出 \| NDH \| 5 \|
LP38513TJ-ADJ	NSC	获取价格	3A Fast-Transient Response Adjustable Low-Dropout Linear Voltage Regulator

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