TPS62222DDCR datasheet(4/24 Pages) TI

No de pièce	TPS62222DDCR

Description	400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23

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Fabricant	TI [Texas Instruments]

Site Internet	http://www.ti.com

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PIN ASSIGNMENTS

3

2

4

5

1

VI

GND

EN

SW

FB

TPS62220

,, TPS62221,, TPS62222

TPS62223, TPS62224, TPS62225

TPS62227, TPS62228, TPS62229

SLVS491E – SEPTEMBER 2003 – REVISED FEBRUARY 2009....................................................................................................................................... www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

VI = 3.6 V, VO = 1.8 V, IO = 200 mA, EN = VIN, TA = -40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Line regulation

VI = 2.5 V to 6 V, IO = 10 mA

0.26

%/V

Load regulation

IO = 100 mA to 400 mA

0.0014

%/mA

Leakage current into SW pin

VI > VO, 0 V ≤ V(SW) ≤ VI

0.1

1

µA

Ilkg

Reverse leakage current into pin SW

VI = open, EN = GND, V(SW) = 6 V

0.1

1

µA

DDC PACKAGE

(TOP VIEW)

Pin Functions

I/O

DESCRIPTION

NAME

NO.

EN

3

I

This is the enable pin of the device. Pulling this pin to ground forces the device into shutdown mode.

Pulling this pin to Vin enables the device. This pin must be terminated.

FB

4

I

This is the feedback pin of the device. Connect this pin directly to the output if the fixed output voltage

version is used. For the adjustable version, an external resistor divider is connected to this pin. The

internal voltage divider is disabled for the adjustable version.

GND

2

Ground

SW

5

I/O

Connect the inductor to this pin. This pin is the switch pin and is connected to the internal MOSFET

switches.

VI

1

I

Supply voltage pin

4

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Product Folder Link(s): TPS62220 TPS62221 TPS62222 TPS62223 TPS62224 TPS62225 TPS62227 TPS62228

TPS62229

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Fabricant	No de pièce	Fiches technique	Description
Texas Instruments	TPS62222DDCR	745Kb / 24P	[Old version datasheet] 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
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Fabricant	No de pièce	Fiches technique	Description
Texas Instruments	TPS62220	464Kb / 20P	[Old version datasheet] 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
	TPS62220	745Kb / 24P	[Old version datasheet] 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
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	TPS62020	1Mb / 28P	[Old version datasheet] 600 mA/1.25 MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
	TPS62020	1Mb / 28P	[Old version datasheet] 600 mA/1.25 MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
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	TPS62040	1Mb / 30P	[Old version datasheet] 1.2 A/1.25 MHz, HIGH-EFFICIENCY STEP-DOWN CONVERTER
	TPS62040	372Kb / 21P	[Old version datasheet] 1.2 A/1.25 MHZ, HIGH EFFICIENCY STEP DOWN CONVERTER

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TPS62222DDCR Fiches technique(PDF) 4 Page - Texas Instruments

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