LT3990IDD#TRPBF vs LT3991EDD

This in-depth comparison of the LT3990IDD#TRPBF and LT3991EDD provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

LT3990IDD#TRPBF

Analog Devices Inc.

Lifecycle: Active
Stock: 6999 PCS
Package: WFDFN-10
Series: PMIC - Voltage Regulators - DC DC Switching Regulators

+BOM RFQ

Part B

LT3991EDD

Analog Devices Inc.

Lifecycle: Active
Stock: 6759 PCS
Package: WFDFN-10
Series: PMIC - Voltage Regulators - DC DC Switching Regulators

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	LT3990IDD#TRPBF	LT3991EDD
Part Status	Active	Obsolete
Function	Step-Down	Step-Down
Output Configuration	Positive	Positive
Topology	Buck	Buck
Output Type	Adjustable	Adjustable
Number of Outputs	1	1
Voltage - Input (Min)	4.2V	4.3V
Voltage - Input (Max)	62V	55V
Voltage - Output (Min/Fixed)	1.21V	1.19V
Voltage - Output (Max)	25V	30V
Current - Output	350mA	1.2A
Frequency - Switching	210kHz ~ 2.3MHz	200kHz ~ 2MHz
Synchronous Rectifier	No	No
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount	Surface Mount

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