TPS65270_15 datasheet(3/27 Pages) TI

Part #	TPS65270

Description	4.5-V TO 18-V INPUT VOLTAGE, 2-A/3-A OUTPUT CURRENT, DUAL SYNCHRONOUS STEP-DOWN REGULATOR WITH INTEGRATED MOSFET

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Manufacturer	TI [Texas Instruments]

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COMP1

COMP

EA

CS

SLP

0.8V

ILIM

Latch

S

R

Q

EN

OSC

Internal

LDO

BUCK 1

BUCK 2

Pre-Regulator, Voltage Reference,

Current Bias

23

21,22

24

19, 20

14

15,16

17,18

13

6

8

3

2

4

1

10

11

9

12

5

Logic

VIN1

BST1

LX1

FB1

VIN1

VOUT BUCK1

GND

BST2

LX2

FB2

VOUT BUCK2

GND

VIN2

FB1

SS1

FB1

FB2

COMP2

SS2

FB2

LOW_P

VCC

ROSC

EN 1 Logic

EN1

EN2 Logic

EN2

AGND

6

same as Buck 1

VIN2

180

o

Note: Pin numbers in block diagram are for HTSSOP (PWP) 24-pin package.

TPS65270

www.ti.com

SLVSAX7D – AUGUST 2011 – REVISED APRIL 2013

FUNCTIONAL BLOCK DIAGRAM

ORDERING INFORMATION(1)

TA

PACKAGE(2)

ORDERABLE PART NUMBER

TOP-SIDE MARKING

PWP (R-PDSO-G)

TPS65270PWPR

TPS65270

–40°C to 85°C

RGE (S-PVQFN-N24)

TPS65270RGER or TPS65270RGET

TPS65270

(1)

For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

(2)

Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

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	TPS65270RGER	1Mb / 25P	[Old version datasheet] 4.5-V TO 18-V INPUT VOLTAGE, 2-A/3-A OUTPUT CURRENT, DUAL SYNCHRONOUS STEP-DOWN REGULATOR WITH INTEGRATED MOSFET
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