TPS54226 datasheet(4/32 Pages) TI1

Part #	TPS54226

Description	4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter with Eco-Mode

Download	32 Pages

Scroll/Zoom	100%

Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

Logo

4 / 32 page

POWERPAD

SW1

VBST

SS

VO

VFB

GND

PGND1

14

7

5

6

2

3

4

1

VCC

EN

PG

VREG5

13

12

11

9

8

PGND2

10

SW2

VIN

TPS54226

SLVSA14E

– OCTOBER 2009 – REVISED JULY 2011

www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

over operating free-air temperature range, VCC,VIN = 12V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

THERMAL SHUTDOWN

Shutdown temperature (2)

150

TSDN

Thermal shutdown threshold

°C

Hysteresis (2)

25

ON-TIME TIMER CONTROL

TON

On time

VIN = 12 V, VO = 1.05 V

145

ns

TOFF(MIN)

Minimum off time

TA = 25°C, VFB = 0.7 V

260

310

ns

SOFT START

ISSC

SS charge current

VSS = 0 V

1.4

2.0

2.6

μA

ISSD

SS discharge current

VSS = 0.5 V

0.1

0.2

mA

POWER GOOD

VFB rising (good)

85

90

95

%

VTHPG

PG threshold

VFB falling (fault)

85

%

IPG

PG sink current

PG = 0.5 V

2.5

5

mA

OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION

VOVP

Output OVP trip threshold

OVP detect

115

120

125

%

TOVPDEL

Output OVP prop delay

5

μs

UVP detect

65

70

75

%

VUVP

Output UVP trip threshold

Hysteresis

10

%

TUVPDEL

Output UVP delay

0.25

ms

TUVPEN

Output UVP enable delay

Relative to soft-start time

x 1.7

UVLO

Wake up VREG5 voltage

3.55

3.8

4.05

VUVLO

UVLO threshold

V

Hysteresis VREG5 voltage

0.23

0.35

0.47

(2)

Not production tested.

DEVICE INFORMATION

PWP PACKAGE

(TOP VIEW)

4

Copyright

Product Folder Link(s): TPS54226

Similar Part No. - TPS54226

Manufacturer	Part #	Datasheet	Description
Texas Instruments	TPS54226	725Kb / 21P	[Old version datasheet] 4.5V to 18V Input 2-A Synchronous Step-Down SWIFTTM Converter with Light Load Efficiency
	TPS54226	1Mb / 28P	[Old version datasheet] 4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter with Eco-Mode?
	TPS54226PW	725Kb / 21P	[Old version datasheet] 4.5V to 18V Input 2-A Synchronous Step-Down SWIFTTM Converter with Light Load Efficiency
	TPS54226PWP	725Kb / 21P	[Old version datasheet] 4.5V to 18V Input 2-A Synchronous Step-Down SWIFTTM Converter with Light Load Efficiency
	TPS54226PWP	1Mb / 28P	[Old version datasheet] 4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter with Eco-Mode?

More results

Similar Description - TPS54226

Manufacturer	Part #	Datasheet	Description
Texas Instruments	TPS54226	1Mb / 28P	[Old version datasheet] 4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter with Eco-Mode?
	TPS54226	1Mb / 31P	[Old version datasheet] 4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter with Eco-Mode?
	TPS54225-Q1	838Kb / 25P	[Old version datasheet] 4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter
	TPS54225-Q1	817Kb / 22P	[Old version datasheet] 4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter
	TPS54225	849Kb / 23P	[Old version datasheet] 4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter
	TPS54225	1,012Kb / 24P	[Old version datasheet] 4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter
	TPS54229E	816Kb / 24P	[Old version datasheet] 4.5V to 18V Input, 2-A Synchronous Step-Down Converter with Eco-Mode?
	TPS54228	1Mb / 30P	[Old version datasheet] 4.5V to 18V Input, 2-A Synchronous Step-Down Converter with Eco-mode?
	TPS54229E	741Kb / 25P	[Old version datasheet] 4.5V to 18V Input, 2-A Synchronous Step-Down Converter with Eco-Mode?
	TPS54526	970Kb / 28P	[Old version datasheet] 4.5V to 18V Input, 5.5-A Synchronous Step-Down Converter with Eco-Mode?

More results

TPS54226 Datasheet(PDF) 4 Page - Texas Instruments

TPS54226 Datasheet(HTML) 4 Page - Texas Instruments

Similar Part No. - TPS54226

Similar Description - TPS54226

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

Datasheet Download

Link URL