LM2991S vs LM2990T-5.2

對 LM2991S 和 LM2990T-5.2 的深入比較，為您帶來關於其規格和關鍵特性的寶貴見解。我們詳細介紹了重要因素，包括 RoHS 合規性、REACH 狀態、系列、安裝方式、封裝類型以及其他相關特性。並排展示差異，簡化了元件選擇，讓您更輕鬆地為您的特定應用選擇最佳方案。

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

LM2991S

德州儀器

Lifecycle
Active
Stock
5555 件
Package
TO-263-5
Series
PMIC-電壓調節器-線性
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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification LM2991S LM2990T-5.2
Part Status Not For New Designs Obsolete
Output Configuration Negative Negative
Output Type Adjustable Fixed
Number of Regulators 1 1
Voltage - Input (Max) -26V -26V
Voltage - Output (Min/Fixed) -3V -5.2V
Voltage Dropout (Max) 1V @ 1A 1V @ 1A
Current - Output 1A 1.8A
Current - Quiescent (Iq) 0.7 mA 1 mA
Current - Supply (Max) 5 mA 5 mA
PSRR 60dB (1kHz) 58dB (1kHz)
Protection Features Over Temperature, Short Circuit Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Through Hole
Voltage - Output (Max) -24V -
Control Features Enable -
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