IC manufacturers Analog Devices

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Analog Devices LT3042EDD | Demoboard DC2246B

20V, 200mA, Ultralow Noise Ultrahigh PSRR RF LDO Regulator

Overview

TopologyOther Topology
Input voltage3.8-20 V
Switching frequency10-100 kHz
Output 13.4 V / 0.2 A

Description

DC2246B is a linear regulator featuring the LT®3042EDD, which is a 200mA, ultralow noise, and ultrahigh power supply rejection ratio (PSRR) RF low dropout (LDO) regulator with programmable current limit.

Features

DC2246B operates over an input voltage range of 3.8Vto 20V. The LT3042 has a maximum output current of200mA. It features ultralownoise (0.8µVRMS from 10Hz to 100kHz) and very high PSRR (79dB at 1MHz). The power good feedback (PGFB) pin voltage is programmable for powergoodthreshold. Acurrentlimitfunction isprovided. Current monitoring is also achievable by sensing the voltage on the ILIM pin.

More information

Products

Order Code
Data­sheet
Downloads
Status
Product series
f(mm)
Pins
Type
Mount
L(mm)
IR(A)
Working Voltage(V (AC))
Operating Temperature
Samples
WA-SNSR Self-Retaining Spacer, 4.8 mm, –
Status Activei| Production is active. Expected lifetime: >10 years.
Drilling in Panel4.8 mm
Length6.4 mm
Operating Temperature -30 °C up to +85 °C
WR-PHD Jumper, –, 2
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Jumper
Pins
Rated Current3 A
Working Voltage200 V (AC)
Operating Temperature -25 °C up to +105 °C
WR-PHD Pin Header, –, 6
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header
Pins
TypeStraight 
MountTHT 
Length6 mm
Rated Current2 A
Working Voltage200 V (AC)
Operating Temperature -40 °C up to +105 °C