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LM3550 Arkusz danych(PDF) 3 Page - Texas Instruments

Numer części LM3550
Szczegółowy opis  5A Flash LED Driver with Automatic VLED and ESR Detection for Mobile Camera Systems
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Strona internetowa  http://www.ti.com
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LM3550 Arkusz danych(HTML) 3 Page - Texas Instruments

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LM3550
www.ti.com
SNVS569B – MAY 2009 – REVISED MAY 2013
Absolute Maximum Ratings
(1) (2) (3)
VIN to GND
−0.3V to 6V
VOUT, LED−, FB to GND
−0.3V to 6V
SDA, SCL, STROBE, FET_CON, EOC, ALD/TEMP,
IND to GND
−0.3V to 6V
Continuous Power Dissipation(4)
Internally Limited
Junction Temperature (TJ-MAX )
150°C
Storage Temperature Range
−65°C to +150
Maximum Lead Temperature (Soldering, 10s)
See(5)
ESD Rating(6)
Human Body Model
2 kV
Machine Model(7)
200V
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under
which operation of the device is ensured. Operating Ratings do not imply ensured performance limits. For ensured performance limits
and associated test conditions, see the Electrical Characteristics tables.
(2)
All voltages are with respect to the potential at the GND pin.
(3)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
(4)
Internal thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at TJ = 145ºC (typ.) and
disengages at TJ = 125ºC (typ.). The thermal shutdown is specified by design.
(5)
For detailed soldering specifications and information, please refer to Texas Instruments Application Note: AN-1187 (SNOA401) for
Recommended Soldering Profiles.
(6)
The human body model is a 100 pF capacitor discharged through a 1.5 k
Ω resistor into each pin. The machine model is a 200 pF
capacitor discharged through a 0
Ω (nominal) resistor into each pin.(MIL-STD-883 3015.7). Texas Instruments recommends that all
integrated circuits be handled with appropriate ESD precautions. Failure to observe proper ESD handling techniques can result in
damage to the device.
(7)
The LED
− pin has a machine model ESD rating of 150V.
Operating Ratings
(1) (2)
Input Voltage Range
2.7V to 5.5V
Junction Temperature Range
−30°C to 125°C
(TJ)
(3)
Ambient Temperature Range
−30°C to +85°C
(TA)
(4)
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under
which operation of the device is ensured. Operating Ratings do not imply ensured performance limits. For ensured performance limits
and associated test conditions, see the Electrical Characteristics tables.
(2)
All voltages are with respect to the potential at the GND pin.
(3)
For detailed soldering specifications and information, please refer to Texas Instruments Application Note: AN-1187 (SNOA401) for
Recommended Soldering Profiles.
(4)
The human body model is a 100 pF capacitor discharged through a 1.5 k
Ω resistor into each pin. The machine model is a 200 pF
capacitor discharged through a 0
Ω (nominal) resistor into each pin.(MIL-STD-883 3015.7). Texas Instruments recommends that all
integrated circuits be handled with appropriate ESD precautions. Failure to observe proper ESD handling techniques can result in
damage to the device.
Thermal Properties
Junction-to-Ambient Thermal Resistance (
θJA)
(1)
57°C/W
(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 =
125ºC), 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 (
θJA), as given by the following equation: TA-MAX = TJ-MAX-OP – (θJA × PD-MAX).
Copyright © 2009–2013, Texas Instruments Incorporated
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