tea1733t NXP Semiconductors, tea1733t Datasheet - Page 17

• Manufacturer Part Number: tea1733t
• Description: Greenchip Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
16. Contents
1
2
2.1
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
8
9
10
11
12
13
14
14.1
14.2
14.3
14.4
15
16
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 4
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 9
Thermal characteristics. . . . . . . . . . . . . . . . . . 10
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 10
Application information. . . . . . . . . . . . . . . . . . 13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 14
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 15
Legal information. . . . . . . . . . . . . . . . . . . . . . . 16
Contact information. . . . . . . . . . . . . . . . . . . . . 16
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
General control . . . . . . . . . . . . . . . . . . . . . . . . . 4
Start-up and UnderVoltage LockOut (UVLO) . . 4
Supply management. . . . . . . . . . . . . . . . . . . . . 5
Input voltage detection (VINSENSE pin) . . . . . 5
Protection input (PROTECT PIN) . . . . . . . . . . . 5
Duty cycle control (CTRL pin). . . . . . . . . . . . . . 6
Slope compensation (CTRL pin). . . . . . . . . . . . 6
Overpower timer (OPTIMER pin) . . . . . . . . . . . 6
Current mode control (ISENSE pin) . . . . . . . . . 7
Overpower or high/low line compensation
(VINSENSE and ISENSE pins) . . . . . . . . . . . . 7
Soft start-up (ISENSE pin) . . . . . . . . . . . . . . . . 8
Low power operation. . . . . . . . . . . . . . . . . . . . . 8
Driver (pin DRIVER) . . . . . . . . . . . . . . . . . . . . . 8
OverTemperature Protection (OTP) . . . . . . . . . 9
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 16
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 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. 2009.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
TEA1733T; TEA1733LT
Document identifier: TEA1733T_TEA1733LT_1
GreenChip SMPS control IC
Date of release: 26 October 2009
All rights reserved.