LM4040DYM3-5.0 View Datasheet(PDF) - Micrel
Part Name
Description
Manufacturer
LM4040DYM3-5.0 Datasheet PDF : 16 Pages
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LM4040/4041
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Functional Diagram
LM4040, LM4041 Fixed
Micrel, Inc.
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VREF
FB
Functional Diagram
LM4041 Adjustable
Absolute Maximum Ratings
Reverse Current ......................................................... 20mA
Forward Current ......................................................... 10mA
Maximum Output Voltage
LM4041-Adjustable.................................................... 15V
Power Dissipation at TA = 25°C (Note 2) ................ 306mW
Storage Temperature................................ –65°C to +150°C
Lead Temperature
Vapor phase (60 seconds)............................... +215°C
Infrared (15 seconds)....................................... +220°C
ESD Susceptibility
Human Body Model (Note 3) ............................... 2kV
Machine Model (Note 3) .................................... 200V
Operating Ratings (Notes 1 and 2)
Temperature Range
(TMIN ≤ TA ≤ TMAX)............................–40°C ≤ TA ≤ +85°C
Reverse Current
LM4040-2.5............................................ 60µA to 15mA
LM4040-4.1............................................ 68µA to 15mA
LM4040-5.0............................................ 74µA to 15mA
LM4041-1.2............................................ 60µA to 12mA
LM4041-ADJ.......................................... 60µA to 12mA
Output Voltage Range
LM4041-ADJ............................................1.24V to 10V
Note 1.
Note 2.
Note 3.
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which
the device is functional, but do not guarantee specific performance limits. For guaranteed specification and test conditions, see the “Electrical
Characteristics”. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when
the device is not operated under the listed test conditions.
The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX (maximum junction temperature), θJA
(junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any temperature is PD-
MAX = (TJMAX – TA)/θJA or the number given in the Absolute Maximum Ratings, whichever is lower. For the LM4040 and LM4041,
TJMAX = 125°C, and the typical thermal resistance (θJA), when board mounted, is 326°C/W for the SOT-23 package.
The human body model is a 100pF capacitor discharged through a 1.5kΩ resistor into each pin. The machine model is a 200pF capacitor
discharged directly into each pin.
March 2005
3
M9999-031805
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