LT1761ES5-2 Linear Technology Corporation, LT1761ES5-2 Datasheet

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LT1761ES5-2

Manufacturer Part Number
LT1761ES5-2
Description
Manufacturer
Linear Technology Corporation
Datasheets

Specifications of LT1761ES5-2

Date_code
04

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FEATURES
TYPICAL APPLICATIO
5.4V TO
APPLICATIO S
20V
Low Noise: 20μV
Low Quiescent Current: 20μA
Wide Input Voltage Range: 1.8V to 20V
Output Current: 100mA
Very Low Shutdown Current: < 0.1
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 SOT-23 Package
Cellular Phones
Pagers
Battery-Powered Systems
Frequency Synthesizers
Wireless Modems
V
IN
1μF
5V Low Noise Regulator
U
RMS
IN
SHDN
LT1761-5
(10Hz to 100kHz)
GND
OUT
BYP
U
0.01μF
μ
A
+
10μF
5V AT100mA
20μV
RMS
NOISE
1761 TA01
DESCRIPTIO
The LT
dropout regulators. With an external 0.01μF bypass
capacitor, output noise drops to 20μV
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. Quies-
cent 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 pro-
tection, 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
SOT-23 package.
All other trademarks are the property of their respective owners.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
100μV/DIV
®
1761 series are micropower, low noise, low
V
OUT
Regulators in SOT-23
100mA, Low Noise,
10Hz to 100kHz Output Noise
U
LDO Micropower
LT1761 Series
RMS
1761 G48
over a 10Hz to
20μV
RMS
1761sfc
1

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