TPS61055DRC datasheet(2/24 Pages) TI

Part #	TPS61055DRC

Description	HIGH POWER WHITE LED DRIVER 2-MHz SYNCHRONOUS BOOST CONVERTER WITH STANDARD LOGIC INTERFACE

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Manufacturer	TI [Texas Instruments]

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ABSOLUTE MAXIMUM RATINGS

DISSIPATION RATINGS

TPS61054, TPS61055

SLUS760 – SEPTEMBER 2007

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

AVAILABLE OPTIONS

SAFETY TIMER

PART

TORCH

FLASH

PACKAGE

MAXIMUM

CURRENT LIMIT

PACKAGE

NUMBER(1)(2)

CURRENT(3)

MARKING

DURATION

TPS61054YZG

75 mA

700 mA

820 ms

1500 mA (ILIM = 01)

61054

CSP-12

TPS61054DRC

75 mA

700 mA

820 ms

1500 mA (ILIM = 01)

QFN-10

TPS61055YZG

75 mA

500 mA

820 ms

1000 mA (ILIM = 00)

61055

CSP-12

TPS61055DRC

75 mA

500 mA

820 ms

1000 mA (ILIM = 00)

QFN-10

(1)

All devices are specified for operation in the commercial temperature range, –40

°C to 85°C.

(2)

The YZG package is available in tape and reel. Add R suffix (TPS6105xYZGR, TPS6105xDRCR) to order quantities of 3000 parts. Add

T suffix (TPS6105xYZGT, TPS6105xDRCT) to order quantities of 250 parts.

(3)

For customized current settings, please contact the factory.

over operating free-air temperature range (unless otherwise noted)

(1)

TPS6105X

UNIT

Voltage range on AVIN, VOUT, SW, LED (2)

–0.3 to 7

V

Voltage range on MODE0, MODE1, FLASH_SYNC, Tx-TOFF (2)

–0.3 to 7

V

TA

Operating ambient temperature range (3)

–40 to 85

°C

TJ (MAX)

Maximum operating junction temperature

150

°C

Tstg

Storage temperature range

–65 to 150

°C

Human body model

2

kV

ESD

Charge device model

1

kV

rating(4)

Machine model

200

V

(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 network ground terminal.

(3)

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)), 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)–(θJA X PD(max)).

(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 directly into each pin.

POWER RATING

DERATING FACTOR

PACKAGE

THERMAL RESISTANCE(1) (2)

TA = 25°C

ABOVE(1) (2) TA = 25°C

YZG

θJA= 89°C/W

θJB= 35°C/W

1.1 W

12 mW/

°C

DRC

θJA= 49°C/W

θJC= 3.2°C/W

2.4 W

20 mW/

°C

(1)

Measured with high-K board.

(2)

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.

2

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Product Folder Link(s) :TPS61054, TPS61055

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