TPS54020RUWT datasheet(3/43 Pages) TI

Part #	TPS54020RUWT

Description	Small, 10-A, 4.5-V to 17-V Input, SWIFT Synchronous Step-Down Converter with Light-Load Efficiency

Download	43 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

Logo

3 / 43 page

TPS54020

www.ti.com

SLVSB10C – JULY 2012 – REVISED MARCH 2013

THERMAL INFORMATION

TPS54020

THERMAL METRIC(1)

UNITS

RUW (15 PINS)

θJA

Junction-to-ambient thermal resistance

16.6(2)

θJC(top)

Junction-to-case (top) thermal resistance

28.8

θJB

Junction-to-board thermal resistance

19.0

°C/W

ψJT

Junction-to-top characterization parameter

0.7

ψJB

Junction-to-board characterization parameter

18.9

θJC(bottom) Junction-to-case (bottom) thermal resistance

0.3

spacer

(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953A.

(2)

Applicable only to the EVM in free space with no airflow.

spacer

ELECTRICAL CHARACTERISTICS

TJ = –40°C to 150°C, VIN = 4.5V to 17V, PVIN = 4.5V to 17V (unless otherwise noted)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY VOLTAGE (VIN AND PVIN PINS)

PVIN operating input voltage

1.6

17

V

VIN operating input voltage

4.5

17

V

VIN Internal UVLO Threshold

VIN Rising

4

4.5

V

VIN Internal UVLO hysteresis

150

mV

VIN shutdown supply current

VEN = 0 V

2

10

µA

VIN operating – non switching supply

VVSENSE = 610 mV

600

1000

µA

current

ENABLE AND UVLO (EN PIN)

Rising

1.22

1.26

V

VEN

Enable threshold

Falling

1.10

1.17

V

IIN(EN)

Input current

VEN = 1.1 V

–1.15

µA

Hysteresis current

VEN = 1.3 V

–3.3

µA

VOLTAGE REFERENCE

VREF

Voltage reference

0 A

≤ IOUT ≤ 10 A, –40°C ≤ TA ≤ 150°C

0.594

0.6

0.606

V

MOSFET

BOOT-PH= 3 V

9.5

18

m

Ω

DRVH

High-side switch resistance

BOOT-PH= 6 V(1)

8

14

m

Ω

DRVL

Low-side switch resistance(1)

VVIN = 12 V

6

11

m

Ω

ERROR AMPLIFIER

Error amplifier input bias current

VVIN = 12 V

50

nA

gM

Error amplifier transconductance

–2 µA < ICOMP < 2 µA, VCOMP = 1 V

1300

µS

Error amplifier dc gain

VVSENSE = 0.6 V

1000

3000

V/V

Error amplifier source/sink

VCOMP = 1 V, 100 mV Overdrive

±100

µA

Start switching threshold

VCOMP

0.27

V

IILIM = NC

20

gM

COMP to ISWITCH transconductance

IILIM = RTN

17

A/V

499 k

Ω (1%) between ILIM and RTN

13

(1)

Measured at pins.

Submit Documentation Feedback

3

Product Folder Links: TPS54020

Similar Part No. - TPS54020RUWT

Manufacturer	Part #	Datasheet	Description
Texas Instruments	TPS54020RUWT	106Kb / 4P	[Old version datasheet] 4.5V to 17V Input, 10A Synchronous Step-Down SWIFT??Converter With Full Feature Set

More results

Similar Description - TPS54020RUWT

Manufacturer	Part #	Datasheet	Description
Texas Instruments	TPS54A24	1Mb / 43P	[Old version datasheet] 4.5-V to 17-V Input, 10-A Synchronous SWIFT Step-Down Converter
	TPS56C215	1Mb / 35P	[Old version datasheet] 4.5-V to 17-V Input , 12-A Synchronous Step-Down SWIFT Converter
	TPS568215	461Kb / 10P	[Old version datasheet] 4.5-V to 17-V Input , 8-A Synchronous Step-Down SWIFT??Converter
	TPS54620	2Mb / 46P	[Old version datasheet] 4.5-V to 17-V Input, 6-A Synchronous Step Down SWIFT Converter
	TPS568215OA	1Mb / 36P	[Old version datasheet] 4.5-V to 17-V Input , 8-A Synchronous Step-Down SWIFT Converter
	TPS54821	1Mb / 37P	[Old version datasheet] 4.5 V to 17 V Input, 8 A Synchronous Step Down SWIFT??Converter With Hiccup
	TPS54620	1Mb / 41P	[Old version datasheet] TPS54620 4.5-V to 17-V Input, 6-A Synchronous Step Down SWIFT??Converter
	TPS54320	1Mb / 42P	[Old version datasheet] TPS54320 4.5- to 17-V Input, 3-A Synchronous Step Down SWIFT??Converter
	TPS54622	1Mb / 42P	[Old version datasheet] 4.5-V to 17-V Input, 6-A Synchronous Step-Down SWIFT Converter With Hiccup Protection
	TPS54821	1Mb / 42P	[Old version datasheet] TPS54821 4.5 V to 17 V Input, 8 A Synchronous Step Down SWIFT??Converter With Hiccup

More results

TPS54020RUWT Datasheet(PDF) 3 Page - Texas Instruments

TPS54020RUWT Datasheet(HTML) 3 Page - Texas Instruments

Similar Part No. - TPS54020RUWT

Similar Description - TPS54020RUWT

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43

Datasheet Download

Link URL