tea1553t NXP Semiconductors, tea1553t Datasheet - Page 27

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tea1553t

Manufacturer Part Number
tea1553t
Description
Tea1553t Greenchip Ii Smps Control Ic
Manufacturer
NXP Semiconductors
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
tea1553t/N1,518
Manufacturer:
NXP/恩智浦
Quantity:
20 000
NXP Semiconductors
16. Contents
1
2
2.1
2.2
2.3
3
4
5
6
6.1
6.2
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
7.13
7.14
7.15
7.16
7.17
7.18
7.19
7.20
7.21
8
9
10
11
12
13
14
14.1
14.2
14.3
14.4
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 5
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 17
Thermal characteristics. . . . . . . . . . . . . . . . . . 18
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 18
Application information. . . . . . . . . . . . . . . . . . 22
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 24
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 25
Legal information. . . . . . . . . . . . . . . . . . . . . . . 26
Distinctive features . . . . . . . . . . . . . . . . . . . . . . 1
Green features . . . . . . . . . . . . . . . . . . . . . . . . . 1
Protection features . . . . . . . . . . . . . . . . . . . . . . 1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
Start-up, mains enabling operation level and
undervoltage lock-out . . . . . . . . . . . . . . . . . . . . 6
Supply management. . . . . . . . . . . . . . . . . . . . . 6
Current mode control . . . . . . . . . . . . . . . . . . . . 7
Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
VCO adjust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Cycle skipping. . . . . . . . . . . . . . . . . . . . . . . . . . 9
STDBY output. . . . . . . . . . . . . . . . . . . . . . . . . . 9
Demagnetization. . . . . . . . . . . . . . . . . . . . . . . 10
Overvoltage protection . . . . . . . . . . . . . . . . . . 10
Valley switching. . . . . . . . . . . . . . . . . . . . . . . . 11
Overcurrent protection . . . . . . . . . . . . . . . . . . 12
Overpower protection . . . . . . . . . . . . . . . . . . . 12
Advanced overpower timing via pin CSTART . 13
Minimum and maximum ‘on-time’ . . . . . . . . . . 14
Short winding protection . . . . . . . . . . . . . . . . . 14
LOCK input . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Overtemperature protection . . . . . . . . . . . . . . 15
5 V output . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Open/not connected CTRL pin protection . . . 15
Soft start-up (pin ISENSE) . . . . . . . . . . . . . . . 15
Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 26
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
15
16
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2007.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Contact information . . . . . . . . . . . . . . . . . . . . 26
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
GreenChip II SMPS control IC
TEA1553T
Document identifier: TEA1553T_1
Date of release: 3 July 2007
All rights reserved.

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