Datasheet > LP38691_15

LP38691_15

更新时间： 2024-11-16 01:20:23

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德州仪器 - TI		/
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LP3869x/-Q1 500-mA Low-Dropout CMOS Linear Regulators Stable With Ceramic Output Capacitors

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LP38691, LP38693, LP38691-Q1, LP38693-Q1

SNVS321N –JANUARY 2005–REVISED MARCH 2015

LP3869x/-Q1 500-mA Low-Dropout CMOS Linear Regulators

Stable With Ceramic Output Capacitors

1 Features

3 Description

The LP3869x low-dropout CMOS linear regulators

provide tight output tolerance (2% typical), extremely

low dropout voltage (250 mV at 500-mA load current,

V_OUT= 5 V), and excellent AC performance using

ultra-low equivalent series resistance (ESR) ceramic

output capacitors.

•

Wide Input Voltage Range (2.7 V to 10 V)

All WSON Options are Available as AEC-Q100

Grade 1

•

2% Output Accuracy (25°C)

Low Dropout Voltage: 250 mV at 500 mA (Typical,

5 V Out)

The low thermal resistance of the WSON, SOT-223,

and TO-252 packages allow use of the full operating

current even in high ambient temperature

environments.

•

Precision (Trimmed) Bandgap Reference

Ensured Specs for –40°C to 125°C

1-µA Off-State Quiescent Current

Thermal Overload Protection

The use of a PMOS power transistor means that no

DC base drive current is required to bias it, thus

allowing ground pin current to remain below 100 µA

regardless of load current, input voltage, or operating

temperature.

Foldback Current Limiting

Ground Pin Current: 55 µA (typical) at full load

Enable Pin (LP38693)

Device Information⁽¹⁾

2 Applications

PART NUMBER

PACKAGE

BODY SIZE (NOM)

6.58 mm × 6.10 mm

3.00 mm × 3.00 mm

6.50 mm × 3.56 mm

3.00 mm × 3.00 mm

•

Hard Disk Drives

TO-252 (3)

LP38691

Notebook Computers

Battery-Powered Devices

Portable Instrumentation

WSON (6)

SOT-223 (5)

WSON (6)

LP38693

LP38691-Q1

LP38693-Q1

WSON (6)

3.00 mm × 3.00 mm

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

the end of the datasheet.

4 Typical Application Circuits

OUT

LP38691

LP38693

SNS

GND

1 µF *

GND

1 µF *

* Minimum value required for stability

** WSON package devices only

* Minimum value required for stability

** WSON package devices only

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...34

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与LP38691_15相关器件

型号	品牌	获取价格	描述	数据表
LP38691-ADJ	NSC	获取价格	500mA Low Dropout CMOS Linear Regulators with Adjustable Output / Stable with Ceramic Outp
LP38691-ADJ	TI	获取价格	500mA、10V 可调节低压降稳压器
LP38691-ADJ_10	NSC	获取价格	500mA Low Dropout CMOS Linear Regulators with Adjustable Output Stable with Ceramic Output
LP38691-ADJ-Q1	TI	获取价格	汽车类 500mA、10V、可调节低压降稳压器
LP38691DT-1.8	NSC	获取价格	500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors
LP38691DT-1.8	TI	获取价格	500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors
LP38691DT-1.8/NOPB	NSC	获取价格	IC VREG 1.8 V FIXED POSITIVE LDO REGULATOR, PSSO2, TO-252, 3 PIN, Fixed Positive Single Ou
LP38691DT-1.8/NOPB	TI	获取价格	LP38693 500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors
LP38691DT-2.5	NSC	获取价格	500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors
LP38691DT-2.5	TI	获取价格	500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors

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