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LM1771 Fiches technique(PDF) 4 Page - Texas Instruments

No de pièce LM1771
Description  Low-Voltage Synchronous Buck Controller
Download  31 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

LM1771 Fiches technique(HTML) 4 Page - Texas Instruments

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LM1771
SNVS446D – JUNE 2006 – REVISED JANUARY 2016
www.ti.com
6 Specifications
6.1 Absolute Maximum Ratings
See
(1) (2)
MIN
MAX
UNIT
VIN
–0.3
6
V
EN, FB, HG, LG
–0.3
VIN
V
Junction temperature
150
°C
Lead temperature
Soldering, 10 sec
260
°C
Storage temperature, Tstg
–65
150
°C
(1)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended
Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
6.2 ESD Ratings
VALUE
UNIT
V(ESD)
Electrostatic discharge
Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)
±2000
V
(1)
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
6.3 Recommended Operating Conditions
MIN
MAX
UNIT
VIN to GND
2.8
5.5
V
Junction temperature, TJ
−40
125
°C
6.4 Thermal Information
LM1771
THERMAL METRIC(1)
NGG (WSON)
DGK (VSSOP)
UNIT
6 PINS
8 PINS
RθJA
Junction-to-ambient thermal resistance
52.8
169.2
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
51.4
59.7
°C/W
RθJB
Junction-to-board thermal resistance
27.2
89.3
°C/W
ψJT
Junction-to-top characterization parameter
0.7
7.0
°C/W
ψJB
Junction-to-board characterization parameter
27.3
87.9
°C/W
RθJC(bot)
Junction-to-case (bottom) thermal resistance
7.4
N/A
°C/W
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
4
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Copyright © 2006–2016, Texas Instruments Incorporated
Product Folder Links: LM1771


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