TEA1521T datasheet(4/17 Pages) NXP

No. de pieza	TEA1521T

Descripción Electrónicos	SMPS ICs for low-power systems

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Fabricante Electrónico	NXP [NXP Semiconductors]

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4 / 17 page

TEA152X_3

Product data sheet

Rev. 03 — 23 March 2009

4 of 17

NXP Semiconductors

TEA152x

SMPS ICs for low-power systems

7.

Pinning information

7.1 Pinning

7.2 Pin description

Fig 2.

Pin conﬁguration DIP8

Fig 3.

Pin conﬁguration SO14

TEA152xP

VCC

DRAIN

GND

n.c.

RC

SOURCE

REG

AUX

001aae137

1

2

3

4

6

5

8

7

TEA152xT

VCC

DRAIN

GND

n.c.

GND

n.c.

GND

SOURCE

GND

RC

GND

REG

AUX

001aae138

1

2

3

4

5

6

7

8

10

9

12

11

14

13

Table 3.

Pin description

Symbol

Description

DIP8

SO14

VCC

1

supply voltage

GND

2

ground

GND

-

3

ground

GND

-

4

ground

GND

-

5

ground

RC

3

6

frequency setting

REG

4

7

regulation input

AUX

5

8

input for voltage from auxiliary winding for timing

(demagnetization)

GND

-

9

ground

GND

-

10

ground

SOURCE

6

11

source of internal MOS switch

n.c.

7

12

not connected

n.c.

-

13

not connected

DRAIN

8

14

drain of internal MOS switch; input for start-up current and

valley sensing

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