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LP5524 датащи(PDF) 4 Page - Texas Instruments

номер детали LP5524
подробное описание детали  LP5524 Four-Channel LED Driver With Dual-PWM Brightness Control
PDF  18 Pages
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производитель  TI2 [Texas Instruments]
домашняя страница  https://www.ti.com
Logo TI2 - Texas Instruments

LP5524 датащи(HTML) 4 Page - Texas Instruments

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LP5524
SNVS500C – JULY 2007 – REVISED NOVEMBER 2016
www.ti.com
Product Folder Links: LP5524
Submit Documentation Feedback
Copyright © 2007–2016, Texas Instruments Incorporated
(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, contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
(3)
All voltages are with respect to the potential at the GND pin.
(4)
For detailed soldering specifications and information, refer to AN-1112 DSBGA Wafer Level Chip Scale Package and Absolute
Maximum Ratings for Soldering.
(5)
Internal thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at TJ=160°C (typical) and
disengages at TJ=140°C (typical).
6 Specifications
6.1 Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted)
(1) (2) (3) (4)
MIN
MAX
UNIT
V (VIN, DX, ISET)
–0.3
6
V
Voltage on logic pins (ENA, ENB)
–0.3
6
V
Continuous power dissipation(5)
Internally limited
Junction temperature, TJ-MAX
125
°C
Storage temperature, Tstg
–65
150
°C
(1)
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
6.2 ESD Ratings
VALUE
UNIT
V(ESD)
Electrostatic discharge
Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)
±2000
V
(1)
In applications where high power dissipation and/or poor package thermal resistance is present, the maximum ambient temperature may
have to be derated. Maximum ambient temperature (TA-MAX) is dependent on the maximum operating junction temperature (TJ-MAX-OP =
125°C), the maximum power dissipation of the device in the application (PD-MAX), and the junction-to ambient thermal resistance of the
part/package in the application (RθJA), as given by the following equation: TA-MAX = TJ-MAX-OP – (RθJA × PD-MAX).
6.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
UNIT
Voltage on power pin (VIN)
2.7
5.5
V
Junction temperature, TJ
–40
125
°C
Ambient temperature, TA
(1)
–40
85
°C
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report.
(2)
Junction-to-ambient thermal resistance is highly application and board-layout dependent. In applications where high maximum power
dissipation exists, special care must be paid to thermal dissipation issues in board design.
6.4 Thermal Information
THERMAL METRIC(1)
LP5524
UNIT
YFQ (DSBGA)
9 PINS
RθJA
Junction-to-ambient thermal resistance(2)
101.9
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
0.9
°C/W
RθJB
Junction-to-board thermal resistance
22.7
°C/W
ψJT
Junction-to-top characterization parameter
0.4
°C/W
ψJB
Junction-to-board characterization parameter
22.7
°C/W



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