Product Summary

The LM394CH is a 1A low dropout regulator designed to provide 3.3V from a 5V supply. The LM394CH is ideally suited for systems which contain both 5V and 3.3V logic, with prime power provided from a 5V bus. Because the LM394CH is a true low dropout regulator, it can hold its 3.3V output in regulation with input voltages as low as 4.5V. The T0-220 package of it means that in most applications the full 1A of load current can be delivered without using an additional heatsink. The applications of the LM394CH include: Laptop/Desktop Computers, Logic Systems.

Parametrics

LM394CH absolute maximum ratings: (1)Storage Temperature Range: -65℃ to +150℃; (2)Operating Junction Temperature Range TO-220, TO-263, and SOT-223: -40℃ to +125℃; (3)Lead Temperature (Soldering, 5 seconds): 260℃; (4)Input Supply Voltage: 7.5V; (5)ESD Rating: 2 kV.

Features

LM394CH features: (1)Output voltage specified over temperature; (2)Excellent load regulation; (3)Guaranteed 1A output current; (4)Requires only one external component; (5)Built-in protection against excess temperature; (6)Short circuit protected.

Diagrams

LM394CH diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
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LM394CH/NOPB
LM394CH/NOPB


IC SUPER MATCHED NPN PAIR TO99-6

Data Sheet

Negotiable 
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
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LM3900D
LM3900D

Texas Instruments

Operational Amplifiers - Op Amps Quad

Data Sheet

0-1: $0.33
1-25: $0.22
25-100: $0.18
100-250: $0.15
LM3900DE4
LM3900DE4

Texas Instruments

Operational Amplifiers - Op Amps Quadruple Oper Amplifier

Data Sheet

0-1: $0.24
1-25: $0.18
25-100: $0.15
100-250: $0.13
LM3900DG4
LM3900DG4

Texas Instruments

Operational Amplifiers - Op Amps Quad Op Amp

Data Sheet

0-1: $0.24
1-25: $0.18
25-100: $0.15
100-250: $0.13
LM3900DR
LM3900DR

Texas Instruments

Operational Amplifiers - Op Amps Quad Op Amp

Data Sheet

0-1: $0.31
1-25: $0.20
25-100: $0.16
100-250: $0.14
LM3900DRE4
LM3900DRE4

Texas Instruments

Operational Amplifiers - Op Amps Quadruple Oper Amplifier

Data Sheet

0-1: $0.20
1-25: $0.15
25-100: $0.13
100-250: $0.11
LM3900DRG4
LM3900DRG4

Texas Instruments

Operational Amplifiers - Op Amps Quad Op Amp

Data Sheet

0-1: $0.20
1-25: $0.15
25-100: $0.13
100-250: $0.11