TPS54356 datasheet(4/28 Pages) TI

No de pièce	TPS54356

Description	4.5V TO 20 V INPUT 3-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FET

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Fabricant	TI [Texas Instruments]

Site Internet	http://www.ti.com

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TPS54352,TPS54353

TPS54354,TPS54355

TPS54356,TPS54357

SLVS519 − MAY 2004

www.ti.com

4

ELECTRICAL CHARACTERISTICS

TJ = –40°C to 125°C, VIN = 4.5 V to 20 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY CURRENT

IQ

Quiescent current

Operating current, PH pin open,

No external low side MOSFET, RT = Hi-Z

5

mA

IQ

Quiescent current

Shutdown, ENA = 0 V

1

mA

Start threshold voltage

TPS54352−6

4.32

4.49

V

Start threshold voltage

TPS54357

6.4

6.65

V

VIN

Stop threshold voltage

TPS54352−6

3.69

3.97

V

VIN

Stop threshold voltage

TPS54357

5.45

5.80

V

Hysteresis

TPS54352−6

350

mV

Hysteresis

TPS54357

600

mV

OUTPUT VOLTAGE

TPS54352

TJ = 25°C, IO = 100 mA to 3 A

1.88

1.2

1.212

TPS54352

IO = 100 mA to 3 A

1.176

1.2

1.224

TPS54353

TJ = 25°C, IO = 100 mA to 3 A

1.485

1.5

1.515

TPS54353

IO = 100 mA to 3 A

1.47

1.5

1.53

TPS54354

TJ = 25°C, IO = 100 mA to 3 A

1.782

1.8

1.818

VO

Output voltage

TPS54354

IO = 100 mA to 3 A

1.764

1.8

1.836

V

VO

Output voltage

TPS54355

TJ = 25°C, IO = 100 mA to 3 A

2.475

2.5

2.525

V

TPS54355

IO = 100 mA to 3 A

2.45

2.5

2.55

TPS54356

TJ = 25°C, VIN = 5.5 V to 20 V, IO = 100 mA to 3 A

3.267

3.3

3.333

TPS54356

VIN = 5.5 V to 20 V, IO = 100 mA to 3 A

3.234

3.3

3.366

TPS54357

TJ = 25°C, VIN = 7.5 V to 20 V, IO = 100 mA to 3 A

4.95

5.0

5.05

TPS54357

VIN = 7.5 V to 20 V, IO = 100 mA to 3 A

4.90

5.0

5.10

UNDER VOLTAGE LOCK OUT (UVLO PIN)

Start threshold voltage

1.20

1.24

V

UVLO

Stop threshold voltage

1.02

1.10

V

UVLO

Hysteresis

100

mV

BIAS VOLTAGE (VBIAS PIN)

VBIAS

Output voltage

IVBIAS = 1 mA, VIN ≥ 12 V

7.5

7.8

8.0

V

VBIAS

Output voltage

IVBIAS = 1 mA, VIN = 4.5 V

4.4

4.47

4.5

V

OSCILLATOR (RT PIN)

Internally set PWM switching frequency

RT Grounded

200

250

300

kHz

Internally set PWM switching frequency

RT Open

400

500

600

kHz

Externally set PWM switching frequency

RT = 100 k

Ω (1% resistor to AGND)

425

500

575

kHz

Numéro de pièce similaire - TPS54356

Fabricant	No de pièce	Fiches technique	Description
Texas Instruments	TPS54356	995Kb / 37P	[Old version datasheet] 4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM
	TPS54356-EP	1Mb / 35P	[Old version datasheet] 4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHES
	TPS54356MPWPREP	1Mb / 35P	[Old version datasheet] 4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHES
	TPS54356PWP	995Kb / 37P	[Old version datasheet] 4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM
	TPS54356PWP	1Mb / 37P	[Old version datasheet] 4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRATER FET

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Description similaire - TPS54356

Fabricant	No de pièce	Fiches technique	Description
Texas Instruments	TPS54350-EP	1Mb / 37P	[Old version datasheet] 4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FET (SWIFT??
	TPS54350-EP	1Mb / 36P	[Old version datasheet] 4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FET (SWIFT??
	TPS54350	437Kb / 27P	[Old version datasheet] 4.5-V 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FET(SWIFT)
	TPS54350	1Mb / 34P	[Old version datasheet] 4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRATER FET
	TPS54352	1Mb / 37P	[Old version datasheet] 4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRATER FET
	TPS54550	1Mb / 27P	[Old version datasheet] 4.5-V TO 20-V INPUT, 6-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FET (SWIFT)
	TPS54550	1Mb / 32P	[Old version datasheet] 4.5-V TO 20-V INPUT, 6-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FET (SWIFT??
	TPS54350PWPR	876Kb / 32P	[Old version datasheet] 4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRANTED FET(SWIFT)
	TPS54350	1Mb / 34P	[Old version datasheet] 4.5-V 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTERATED FET (SWIFT)
	TPS54311-EP	718Kb / 21P	[Old version datasheet] 3-V TO 6-V INPUT, 3-A OUTPUT SYNCHRONOUS-BUCK PWM SWITCHER WITH INTEGRATED FETs

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