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TL4242 Folha de dados(PDF) 3 Page - Texas Instruments

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Nome de Peças TL4242
Descrição Electrónicos  ADJUSTABLE LED DRIVER
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

TL4242 Folha de dados(HTML) 3 Page - Texas Instruments

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ABSOLUTE MAXIMUM RATINGS
(1)
RECOMMENDED OPERATING CONDITIONS
OVERALL DEVICE ELECTRICAL CHARACTERISTICS
TL4242
www.ti.com .................................................................................................................................................................................................... SLVS641 – APRIL 2008
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
UNIT
VCC
Supply voltage range(2)
–42
45
V
D
–0.3
7
V
VI
Input voltage range
PWM
–40
40
V
REF
–1
16
V
Q
–1
41
V
VO
Output voltage range
ST
–0.3
40
V
PWM
±1
mA
IO
Output current range
REF
±2
mA
ST
±5
mA
JESD 51-5(4)
49.5
θ
JA
Thermal impedance, junction to ambient(3)
°C/W
JESD 51-7(5)
114.4
θ
JP
Thermal impedance, junction to pad(3)
4.4
°C/W
TJ
Virtual-junction temperature range
–40
150
°C
Tstg
Storage temperature range
–50
150
°C
(1)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating
Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
All voltage values are with respect to the network ground terminal.
(3)
Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient
temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.
(4)
The package thermal impedance is calculated in accordance with JESD 51-5.
(5)
The package thermal impedance is calculated in accordance with JESD 51-7.
MIN
MAX
UNIT
VCC
Supply voltage
4.5
42
V
VST
Status (ST) output voltage
16
V
VPWM
PWM voltage
0
40
V
CD
Status delay (D) capacitance
0
2.2
µF
RREF
Reference (REF) resistor
0
10
TJ
Virtual-junction temperature
–40
150
°C
over recommended operating free-air temperature range, VI = 13.5 V, RREF = 0.47 Ω, VPWM,H, TJ = –40°C to 150°C, all
voltages with respect to ground (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IqL
Supply current
VQ = 6.6 V
12
22
mA
IqOFF
Supply current, off mode
PWM = L, TJ < 85°C
0.1
2
µA
Copyright © 2008, Texas Instruments Incorporated
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