TEA1211 datasheet(4/23 Pages) PHILIPS

部件名	TEA1211

功能描述	High efficiency auto-up/down DC/DC converter

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制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

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4 / 23 page

2003 Oct 13

4

Philips Semiconductors

Preliminary speciﬁcation

High efﬁciency auto-up/down

DC/DC converter

TEA1211HN

5

BLOCK DIAGRAM

handbook, full pagewidth

MDB001

I2C-BUS INTERFACE

TEMPERATURE

PROTECTION

INTERNAL

SUPPLY

BANDGAP

REFERENCE

13 MHz

OSCILLATOR

CLOCK

SELECTOR

DIGITAL

CONTROLLER

N-type

power FETs

N-down

TEA1211HN

LXB

LXA

n.c.

IN

2, 31, 32

29

6, 8, 17, 19

28

12

13

30

27

23, 25, 26

14, 15, 21, 22, 24

1, 3, 4,

10, 11

5, 7, 9, 16, 18, 20

SYNC/PWM

SHDWN

SCL

SDA

ILIM

GND

FB

OUT

Current limit

comparator

Window

comparator

P-type power FET

P-down

sense FET

P-type power FET

P-up

N-up

Fig.1 Block diagram.

6

PINNING

SYMBOL

DESCRIPTION

LXA

1

inductor connection 1

IN

2

input voltage

LXA

3

inductor connection 1

LXA

4

inductor connection 1

GND

5

ground

n.c.

6

not connected

GND

7

ground

n.c.

8

not connected

GND

9

ground

LXA

10

inductor connection 1

LXA

11

inductor connection 1

SCL

12

serial clock input line I2C-bus

SDA

13

serial data input/output line

I2C-bus

LXB

14

inductor connection 2

LXB

15

inductor connection 2

GND

16

ground

n.c.

17

not connected

GND

18

ground

n.c.

19

not connected

GND

20

ground

LXB

21

inductor connection 2

LXB

22

inductor connection 2

OUT

23

output voltage

LXB

24

inductor connection 2

OUT

25

output voltage

OUT

26

output voltage

FB

27

feedback input

SHDWN

28

shut-down input

SYNC/PWM

29

synchronization clock input,

PWM-only input

ILIM

30

current limit resistor connection

IN

31

input voltage

IN

32

input voltage

SYMBOL

DESCRIPTION

类似零件编号 - TEA1211

制造商	部件名	数据表	功能描述
NXP Semiconductors	TEA1210	83Kb / 20P	High efficiency, high current DC/DC converter 1999 Mar 08
NXP Semiconductors	TEA1210TS	83Kb / 20P	High efficiency, high current DC/DC converter 1999 Mar 08

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