tea1553t NXP Semiconductors, tea1553t Datasheet - Page 27
tea1553t
Manufacturer Part Number
tea1553t
Description
Tea1553t Greenchip Ii Smps Control Ic
Manufacturer
NXP Semiconductors
Datasheet
1.TEA1553T.pdf
(27 pages)
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.