TEA1751LT/N1 NXP Semiconductors, TEA1751LT/N1 Datasheet - Page 29

AC-DC, PFC, FLYBACK, CNTRL, 16SOIC

TEA1751LT/N1

Manufacturer Part Number
TEA1751LT/N1
Description
AC-DC, PFC, FLYBACK, CNTRL, 16SOIC
Manufacturer
NXP Semiconductors
Datasheet

Specifications of TEA1751LT/N1

Input Voltage
276V
Output Current
1.2A
Output Voltage
11V
No. Of Outputs
2
Power Dissipation Pd
600mW
Voltage Regulator Case Style
SOIC
No. Of Pins
16
Operating Temperature Range
-40°C To
Supply Voltage Range
21V To 23V
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TEA1751LT/N1
Manufacturer:
SEIKO
Quantity:
55 000
Part Number:
TEA1751LT/N1
Manufacturer:
NXP/恩智浦
Quantity:
20 000
NXP Semiconductors
16. Contents
1
2
2.1
2.2
2.3
2.4
2.5
3
4
5
6
6.1
6.2
7
7.1
7.1.1
7.1.2
7.1.3
7.1.4
7.1.5
7.2
7.2.1
7.2.2
7.2.3
7.2.4
7.2.5
7.2.6
7.2.7
7.2.8
7.2.9
7.2.10
7.2.11
7.2.12
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.8
7.3.9
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 5
Distinctive features . . . . . . . . . . . . . . . . . . . . . . 1
Green features . . . . . . . . . . . . . . . . . . . . . . . . . 1
PFC green features . . . . . . . . . . . . . . . . . . . . . 2
Flyback green features . . . . . . . . . . . . . . . . . . . 2
Protection features . . . . . . . . . . . . . . . . . . . . . . 2
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
General control . . . . . . . . . . . . . . . . . . . . . . . . . 5
Start-up and UnderVoltage LockOut
(UVLO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Supply management. . . . . . . . . . . . . . . . . . . . . 7
Latch input . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Fast latch reset . . . . . . . . . . . . . . . . . . . . . . . . . 8
Overtemperature protection . . . . . . . . . . . . . . . 8
Power factor correction circuit . . . . . . . . . . . . . 8
t
Valley switching and demagnetization
(PFCAUX pin) . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Frequency limitation . . . . . . . . . . . . . . . . . . . . . 9
Mains voltage compensation
(VINSENSE pin) . . . . . . . . . . . . . . . . . . . . . . . . 9
Soft start-up (pin PFCSENSE) . . . . . . . . . . . . . 9
Low power mode . . . . . . . . . . . . . . . . . . . . . . 10
Dual boost PFC . . . . . . . . . . . . . . . . . . . . . . . 10
Overcurrent protection (PFCSENSE pin) . . . . 11
Mains undervoltage lockout / brownout
protection (VINSENSE pin) . . . . . . . . . . . . . . 11
Overvoltage protection (VOSENSE pin) . . . . . 11
PFC open loop protection (VOSENSE pin) . . 11
Driver (pin PFCDRIVER) . . . . . . . . . . . . . . . . 11
Flyback controller . . . . . . . . . . . . . . . . . . . . . . 12
Multimode operation . . . . . . . . . . . . . . . . . . . . 12
Valley switching (HV pin) . . . . . . . . . . . . . . . . 13
Current mode control (FBSENSE pin) . . . . . . 14
Demagnetization (FBAUX pin) . . . . . . . . . . . . 15
Flyback control / time-out (FBCTRL pin) . . . . 15
Soft start-up (pin FBSENSE) . . . . . . . . . . . . . 17
Maximum on-time . . . . . . . . . . . . . . . . . . . . . . 17
Overvoltage protection (FBAUX pin) . . . . . . . 17
Overcurrent protection (FBSENSE pin) . . . . . 18
on
control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7.3.10
7.3.11
8
9
10
11
12
13
14
14.1
14.2
14.3
14.4
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. 2009.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
TEA1751T; TEA1751LT
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 19
Thermal characteristics . . . . . . . . . . . . . . . . . 20
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 20
Application information . . . . . . . . . . . . . . . . . 25
Package outline. . . . . . . . . . . . . . . . . . . . . . . . 26
Revision history . . . . . . . . . . . . . . . . . . . . . . . 27
Legal information . . . . . . . . . . . . . . . . . . . . . . 28
Contact information . . . . . . . . . . . . . . . . . . . . 28
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Overpower protection. . . . . . . . . . . . . . . . . . . 18
Driver (pin FBDRIVER) . . . . . . . . . . . . . . . . . 19
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 28
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 28
GreenChip III SMPS control IC
Document identifier: TEA1751T_LT_2
Date of release: 23 December 2009
All rights reserved.

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