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LM34919 数据表(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
部件名 LM34919
功能描述  Ultra Small 40V, 600 mA Constant On-Time Buck Switching Regulator
Download  18 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM34919 数据表(HTML) 5 Page - National Semiconductor (TI)

  LM34919 Datasheet HTML 1Page - National Semiconductor (TI) LM34919 Datasheet HTML 2Page - National Semiconductor (TI) LM34919 Datasheet HTML 3Page - National Semiconductor (TI) LM34919 Datasheet HTML 4Page - National Semiconductor (TI) LM34919 Datasheet HTML 5Page - National Semiconductor (TI) LM34919 Datasheet HTML 6Page - National Semiconductor (TI) LM34919 Datasheet HTML 7Page - National Semiconductor (TI) LM34919 Datasheet HTML 8Page - National Semiconductor (TI) LM34919 Datasheet HTML 9Page - National Semiconductor (TI) Next Button
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Symbol
Parameter
Conditions
Min
Typ
Max
Units
Thermal Shutdown
T
SD
Thermal shutdown temperature
175
°C
Thermal shutdown hysteresis
20
°C
Thermal Resistance
θ
JA
Junction to Ambient
0 LFPM Air Flow
61
°C/W
Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the
device is intended to be functional. For guaranteed specifications and test conditions, see the Electrical Characteristics.
Note 2: The human body model is a 100pF capacitor discharged through a 1.5k
Ω resistor into each pin.
Note 3: V
CC provides self bias for the internal gate drive and control circuits. Device thermal limitations limit external loading
Note 4: For detailed information on soldering micro SMD package, refer to the Application Note AN-1112.
Note 5: Typical specifications represent the most likely parametric norm at 25°C operation.
5
www.national.com


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