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TDA16846-2

Infineon Technologies
Part Number TDA16846-2
Manufacturer Infineon Technologies
Description (TDA1684x-x) Controller
Published Sep 29, 2007
Detailed Description www.DataSheet4U.com D at a s h e e t , V 2 . 0 , 3 1 J u l y 2 0 0 3 PWM-QR IC TDA 16846/16846-2 TDA 16847/16847-2 Con...
Datasheet PDF File TDA16846-2 PDF File

TDA16846-2
TDA16846-2

Overview
www.
DataSheet4U.
com D at a s h e e t , V 2 .
0 , 3 1 J u l y 2 0 0 3 PWM-QR IC TDA 16846/16846-2 TDA 16847/16847-2 Controller for Switch Mode Power Supplies Supporting Low Power Standby and Power Factor Power Management & Supply N e v e r s t o p t h i n k i n g .
www.
DataSheet4U.
com TDA 16846/TDA 16846-2/TDA 16847/TDA 16847 Revision History: Current Version: 2003-07-31 Previous Version Data Sheet TDA 16846: 2000-01-14 Previous Version Data Sheet TDA 16846-2: 2002-07-30 Page (in previous Version) 20 Page (in current Version) 20 Subjects (major changes since last revision) The data sheets for TDA 16846 and TDA 16846-2 have been combined in this version.
Some measuring values are updated: Pin 1 basic value 1 V1B1 and V1B2 slightly changed.
Pin 2 discharge current I2DC min changed from 0.
5 mA to 0.
6 mA.
Pin 14 overvoltage V14OVmax threshold changed from 17.
0 V to 17.
1 V.
Pin 3 delay to switch on t3d slightly decreased.
Pin 4 charge current I4ch and discharge current I4DCH added.
Pull high resistor R1min changed from 18kOhm to 15 kOhm according to the data sheet for TDA 16846.
Pin 7 charge current I7 min and upper threshold V7Hmin small changed.
Pin 13 rise and fall time adapted according to C13= 1nF (prev.
10 nF).
V13aclow slightly decreased (only TDA 16846-2, TDA 16847-2).
21 21 22 23 22 23 TDA 16846-2/TDA 16847-2: Improvements of TDA 16846-2/TDA16847-2 compared with TDA 16846/TDA16847 Pin 5 Pin 7 Pin 11 Pin 13 Pin 14 Edition 07.
03 Published by Infineon Technologies AG St.
-Martin-Strasse 53 D-81541 München OCI SYN PVC OUT VCC Expanded input voltage range down to zero, series resistor between pin 5 and ground is no longer necessary.
Improved startup to prevent the transformer from saturation also in fixed frequency and synchronized mode.
Noise-immunity improved by spike blanking.
Reduced output voltage level for off state.
Noise-immunity improved by spike blanking.
© Infineon Technologies AG 2003 All Rights Reserved.
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