LT1761IS5-3.3 datasheet, PDF - EEWORLD Datasheet

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LT1761IS5-3.3: Description3.3 V FIXED POSITIVE LDO REGULATOR, 0.45 V DROPOUT, PDSO5; CategoryPower/power management The power supply circuit; File Size1MB，22 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LT1761IS5-3.3 Overview

3.3 V FIXED POSITIVE LDO REGULATOR, 0.45 V DROPOUT, PDSO5

LT1761IS5-3.3 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Parts packaging code	TSOT
package instruction	PLASTIC, MO-193, TSOT-23, 5 PIN
Contacts	5
Reach Compliance Code	_compli
ECCN code	EAR99
Adjustability	FIXED
Maximum drop-back voltage 1	0.45 V
Nominal dropback voltage 1	0.3 V
Maximum absolute input voltage	20 V
Maximum input voltage	20 V
Minimum input voltage	3.8 V
JESD-30 code	R-PDSO-G5
JESD-609 code	e0
length	2.9 mm
Maximum grid adjustment rate	0.01%
Maximum load regulation	0.1%
Humidity sensitivity level	1
Number of functions	1
Output times	1
Number of terminals	5
Working temperatureTJ-Max	125 °C
Operating temperatureTJ-Mi	-40 °C
Maximum output current 1	0.1 A
Maximum output voltage 1	3.4 V
Minimum output voltage 1	3.19 V
Nominal output voltage 1	3.3 V
Package body material	PLASTIC/EPOXY
encapsulated code	VSSOP
Encapsulate equivalent code	TSOP5/6,.11,37
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	235
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	1 mm
surface mount	YES
technology	BIPOLAR
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	20
Maximum voltage tolerance	3.3%
width	1.625 mm
Base Number Matches	1

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LT1761 Series

100mA, Low Noise,

LDO Micropower

Regulators in TSOT-23

FEATURES

DESCRIPTION

The LT

1761 series are micropower, low noise, low

dropout regulators. With an external 0.01μF bypass

capacitor, output noise drops to 20μV

RMS

over a 10Hz to

100kHz bandwidth. Designed for use in battery-powered

systems, the low 20μA quiescent current makes them an

ideal choice. In shutdown, quiescent current drops to less

than 0.1μA. The devices are capable of operating over an

input voltage from 1.8V to 20V, and can supply 100mA of

output current with a dropout voltage of 300mV. Quiescent

current is well controlled, not rising in dropout as it does

with many other regulators.

The LT1761 regulators are stable with output capacitors as

low as 1μF Small ceramic capacitors can be used without

the series resistance required by other regulators.

Internal protection circuitry includes reverse battery

protection, current limiting, thermal limiting and reverse

current protection. The device is available in ﬁxed output

voltages of 1.2V, 1.5V, 1.8V, 2V, 2.5V, 2.8V, 3V, 3.3V and

5V, and as an adjustable device with a 1.22V reference

voltage. The LT1761 regulators are available in the 5-lead

TSOT-23 package.

LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks

of Linear Technology Corporation. All other trademarks are the property of their respective

owners.

Low Noise: 20μV

RMS

(10Hz to 100kHz)

Low Quiescent Current: 20μA

Wide Input Voltage Range: 1.8V to 20V

Output Current: 100mA

Very Low Shutdown Current: <0.1μA

Low Dropout Voltage: 300mV at 100mA

Fixed Output Voltages: 1.2V, 1.5V, 1.8V, 2V, 2.5V,

2.8V, 3V, 3.3V, 5V

Adjustable Output from 1.22V to 20V

Stable with 1μF Output Capacitor

Stable with Aluminum, Tantalum or

Ceramic Capacitors

Reverse-Battery Protected

No Reverse Current

No Protection Diodes Needed

Overcurrent and Overtemperature Protected

Available in Tiny 5-Lead TSOT-23 Package

APPLICATIONS

Cellular Phones

Pagers

Battery-Powered Systems

Frequency Synthesizers

Wireless Modems

TYPICAL APPLICATION

10Hz to 100kHz Output Noise

5V Low Noise Regulator

5.4V TO

20V

1μF

SHDN

GND

OUT

LT1761-5

BYP

0.01μF

5V AT100mA

20μV

RMS

NOISE

10μF

1761 TA01

OUT

100μV/DIV

20μV

RMS

1761 TA01b

1761sff

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