Datasheet Linear Technology LT1962EMS8#TRPBF — 数据表

制造商	Linear Technology
系列	LT1962
零件号	LT1962EMS8#TRPBF

300mA，低噪声，微功耗LDO稳压器

数据表

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PDF, 481 Kb, 语言: en, 文件上传: Sep 2, 2017, 页数: 18
300mA, Low Noise, Micropower LDO Regulators

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Package	MS-8
Package Code	MS8
Package Index	05-08-1660

参数化

Demo Boards	DC339A-B
Design Tools	LTspice File
Discrete Pass Element	no
Dropout Voltage	0.27 V
Export Control	no
Features	Shutdown
Ishutdown	1 µA
Isupply	0.03 mA
Max Junction Temp	150 Deg
Number of Outputs	1
Operating Temperature Range	0 to 85 °C
Output Current	0.3 A
Output Voltage	Adj,1.5, 1.8, 2.5, 3, 3.3, 5
PSRR	65 dB
RMS Noise	20 µV
Theta JA	125В°C/W (MS8)
Type	PNP
Vin Max	20 V
Vin Min	1.8 V
Vout Max	20 V
Vout Min	1.22 V

生态计划

RoHS

Compliant

应用须知

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Performance Verification of Low Noise, Low Dropout Regulators &mdash AN83
PDF, 542 Kb, 档案已发布: Mar 1, 2000
In an increasing trend, telecommunications, networking, audio and instrumentation require low noise power supplies. In particular, there is interest in low noise, low dropout linear regulators (LDO). Establishing and specifying LDO dropout performance is relatively easy to do. Verifying that a regulator meets dropout specification is similarly straightforward. Accomplishing the same missions for noise and noise testing is considerably more involved. The noise bandwidth of interest must be called out, along with operating conditions. Low noise performance is affected by numerous subtleties; changes in operating conditions can cause unwelcome surprises. Because of this, LDO noise must be quoted under specified operating and bandwidth conditions to be meaningful. Failure to observe this precaution results in misleading data and erroneous conclusions. This Application Note suggests a noise testing method, details its implementation and presents results.
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Application Note 83
March 2000
Performance Verification of Low Noise,
Low Dropout Regulators
Silence of the Amps
Jim Williams and Todd Owen, Linear Technology Corporation
Introduction
In an increasing trend, telecommunications, networking,
audio and instrumentation require low noise power supplies. In particular, there is interest in low noise, low
dropout linear regulators (LDO). These components power
noise-sensitive circuitry, circuitry that contains noisesensitive elements or both. Additionally, to conserve power,
particularly in battery driven apparatus such as cellular
telephones, the regulators must operate with low input-tooutput voltages.1 Devices presently becoming available
meet these requirements (see separate section, вЂњA Family
of 20ВµVRMS Noise, Low Dropout RegulatorsвЂќ).
Noise and Noise Testing
Establishing and specifying LDO dropout performance is
relatively easy to do. Verifying that a regulator meets
dropout specification is similarly straightforward. Accomplishing the same missions for noise and noise testing is
considerably more involved. The noise bandwidth of interest must be called out, along with operating conditions.
Operating conditions can include regulator input and
output voltage, load, assorted discrete components, etc.
Low noise performance is effected by numerous subtleties; changes in operating conditions can cause unwelcome surprises.2 Because of this, LDO noise must be …

模型线

系列: LT1962 (16)

LT1962EMS8#PBF LT1962EMS8#TRPBF LT1962EMS8-1.5#PBF LT1962EMS8-1.5#TRPBF LT1962EMS8-1.8#PBF LT1962EMS8-1.8#TRPBF LT1962EMS8-2.5#PBF LT1962EMS8-2.5#TRPBF LT1962EMS8-3#PBF LT1962EMS8-3#TRPBF LT1962EMS8-3.3#PBF LT1962EMS8-3.3#TRPBF LT1962EMS8-5#PBF LT1962EMS8-5#TRPBF LT1962IMS8#PBF LT1962IMS8#TRPBF

制造商分类

Power Management > LDO Linear Regulators > Positive Linear Regulators (LDO)

其他名称:

LT1962EMS8TRPBF, LT1962EMS8 TRPBF