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Analog Devices LT3042EDD | Demoboard DC2246B
20V, 200mA, Ultralow Noise Ultrahigh PSRR RF LDO Regulator
Overview
| Topology | Other Topology |
| Input voltage | 3.8-20 V |
| Switching frequency | 10-100 kHz |
| Output 1 | 3.4 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. | Product seriesWA-SNSR Self-Retaining Spacer | 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 | – | Pins2 | – | – | – | Rated Current3 A | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C | |||
 | WR-PHD Pin Header, –, 6 | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | Pins6 | TypeStraight | MountTHT | Length6 mm | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C |