Datasheet Linear Technology LT1962 — Ficha de datos

Fabricante	Linear Technology
Serie	LT1962

300mA, de poco ruido, reguladores LDO de micropoder

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PDF, 481 Kb, Idioma: en, Archivo subido: sept 2, 2017, Páginas: 18
300mA, Low Noise, Micropower LDO Regulators

Extracto del documento

Precios

Embalaje

	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
N	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
Package	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete	MS-8 Dibujo del esquema del paquete
Package Code	MS8	MS8	MS8	MS8	MS8	MS8	MS8	MS8	MS8	MS8	MS8	MS8	MS8	MS8	MS8	MS8
Package Index	05-08-1660	05-08-1660	05-08-1660	05-08-1660	05-08-1660	05-08-1660	05-08-1660	05-08-1660	05-08-1660	05-08-1660	05-08-1660	05-08-1660	05-08-1660	05-08-1660	05-08-1660	05-08-1660
Pin Count	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8

Paramétricos

Parameters / Models	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
Demo Boards	DC339A-B	DC339A-B	DC339A-B	DC339A-B	DC339A-B	DC339A-B	DC339A-B	DC339A-B	DC339A-B	DC339A-B	DC339A-B	DC339A-B	DC339A-B	DC339A-B	DC339A-B	DC339A-B
Design Tools	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File
Discrete Pass Element	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no
Dropout Voltage, V	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27
Export Control	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no
Features	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown
Ishutdown, µA	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Isupply, mA	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03
Max Junction Temp, Deg	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150
Number of Outputs	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Operating Temperature Range, °C	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	-40 to 85	-40 to 85
Output Current, A	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3
Output Voltage	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5	Adj,1.5, 1.8, 2.5, 3, 3.3, 5
PSRR, dB	65	65	65	65	65	65	65	65	65	65	65	65	65	65	65	65
RMS Noise, µV	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20
Theta JA	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)	125В°C/W (MS8)
Type	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP
Vin Max, V	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20
Vin Min, V	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8
Vout Max, V	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20
Vout Min, V	1.22	1.22	1.22	1.22	1.22	1.22	1.22	1.22	1.22	1.22	1.22	1.22	1.22	1.22	1.22	1.22

Plan ecológico

	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
RoHS	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente

Notas de aplicación

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Performance Verification of Low Noise, Low Dropout Regulators &mdash AN83
PDF, 542 Kb, Archivo publicado: marzo 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.
Extracto del documento
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 …

Linea modelo

Serie: 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

Clasificación del fabricante

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