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PDF TDA21302 Data sheet ( Hoja de datos )
| Número de pieza | TDA21302 | |
| Descripción | Multi-Phase PWM Controller for CPU Core Power Supply | |
| Fabricantes | Infineon Technologies | |
| Logotipo |  |
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Version 1.2 , May 2004
Datasheet
DS-CoreControl-TDA21302
TDA21302
Authors:
Edward Chang
Published by Infineon Technologies AG
http://www.infineon.com/DCDC
Power Management & Supply
CoreControl TM
N e v e r s t o p t h i n k i n g.
Page 1 of 25
DS-CoreControl-TDA21302
1 page  
Number
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11
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20
21
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23
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32
Name
OVP
PGOOD
VID4
VID3
VID2
VID1
VID0
VID125
VOSS
ADJ
SS
FB
COMP
VDIF
ISN4
ISN3
ISN2
ISN1
VSEN
SGND
GND
PWM3
ISP3
ISP1
PWM1
PWM2
ISP2
ISP4
PWM4
VCC
DVD
RT
Description
Over voltage trip output
Open drain power good signal output pin
Voltage Identification DAC Input. Internally pull up to 3V.
Voltage Identification DAC Input. Internally pull up to 3V.
Voltage Identification DAC Input. Internally pull up to 3V.
Voltage Identification DAC Input. Internally pull up to 3V.
Voltage Identification DAC Input. Internally pull up to 3V.
Voltage Identification DAC Input. Internally pull up to 3V.
Connect a resistor to GND to set the initial offset voltage.
Connect a resistor to GND to set the Droop Voltage.
Soft-Start. Connect with a capacitor to GND to set the Soft-Start Interval. Pulling down this pin
below 1V shall shut the converter down.
Internal error amplifier inverting input pin
Output of the error amplifier and input of the PWM comparator
Output pin of the differential converter output voltage sense
Differential current sense negative input pin connects to the drain pin of channel 4 Sync FET
Differential current sense negative input pin connects to the drain pin of channel 3 Sync FET
Differential current sense positive input pin connects to the drain pin of channel 2 Sync FET
Differential current sense positive input pin connects to the drain pin of channel 1 Sync FET
The positive input pin of the differential converter output voltage sense amplifier
The negative input pin of the differential converter output voltage sense amplifier
Ground pin of the IC
Channel 3 PWM output pin. Connect to high level for 2 phase operation.
Differential current sense positive input pin connects to the source pin of channel 3 Sync FET
Differential current sense positive input pin connects to the source pin of channel 1 Sync FET
Channel 1 PWM output pin
Channel 2 PWM output pin
Differential current sense positive input pin connects to the source pin of channel 2 Sync FET
Differential current sense positive input pin connects to the source pin of channel 4 Sync FET
Channel 4 PWM output pin. Connect to high level for 2 or 3 phase operation.
IC power supply pin connects to 5V
Connect the external voltage divider to program the controller under voltage lockout based on
the input voltage of the power stage voltage
Connect a resistor to GND to set the channel switching frequency
CoreControl TM
Page 5 of 25
DS-CoreControl-TDA21302
5 Page 
VRD10,X VID Table
Pin Names
VID125 VID4 VID3 VID2 VID1 VID0 Vcore
0 0 1 0 1 0 0,8375
1 0 1 0 0 1 0,8500
0 0 1 0 0 1 0,8625
1 0 1 0 0 0 0,8750
0 0 1 0 0 0 0,8875
1 0 0 1 1 1 0,9000
0 0 0 1 1 1 0,9125
1 0 0 1 1 0 0,9250
0 0 0 1 1 0 0,9375
1 0 0 1 0 1 0,9500
0 0 0 1 0 1 0,9625
1 0 0 1 0 0 0,9750
0 0 0 1 0 0 0,9875
1 0 0 0 1 1 1,0000
0 0 0 0 1 1 1,0125
1 0 0 0 1 0 1,0250
0 0 0 0 1 0 1,0375
1 0 0 0 0 1 1,0500
0 0 0 0 0 1 1,0625
1 0 0 0 0 0 1,0750
0 0 0 0 0 0 1,0875
1 1 1 1 1 1 OFF
0 1 1 1 1 1 OFF
1 1 1 1 1 0 1,1000
0 1 1 1 1 0 1,1125
1 1 1 1 0 1 1,1250
0 1 1 1 0 1 1,1375
1 1 1 1 0 0 1,1500
0 1 1 1 0 0 1,1625
1 1 1 0 1 1 1,1750
0 1 1 0 1 1 1,1875
1 1 1 0 1 0 1,2000
Pin Names
VID125 VID4 VID3 VID2 VID1 VID0 Vcore
0 1 1 0 1 0 1,2125
1 1 1 0 0 1 1,2250
0 1 1 0 0 1 1,2375
1 1 1 0 0 0 1,2500
0 1 1 0 0 0 1,2625
1 1 0 1 1 1 1,2750
0 1 0 1 1 1 1,2875
1 1 0 1 1 0 1,3000
0 1 0 1 1 0 1,3125
1 1 0 1 0 1 1,3250
0 1 0 1 0 1 1,3375
1 1 0 1 0 0 1,3500
0 1 0 1 0 0 1,3625
1 1 0 0 1 1 1,3750
0 1 0 0 1 1 1,3875
1 1 0 0 1 0 1,4000
0 1 0 0 1 0 1,4125
1 1 0 0 0 1 1,4250
0 1 0 0 0 1 1,4375
1 1 0 0 0 0 1,4500
0 1 0 0 0 0 1,4625
1 0 1 1 1 1 1,4750
0 0 1 1 1 1 1,4875
1 0 1 1 1 0 1,5000
0 0 1 1 1 0 1,5125
1 0 1 1 0 1 1,5250
0 0 1 1 0 1 1,5375
1 0 1 1 0 0 1,5500
0 0 1 1 0 0 1,5625
1 0 1 0 1 1 1,5750
0 0 1 0 1 1 1,5875
1 0 1 0 1 0 1,6000
Note : “ 1 “ is open and “ 0 “ is connecting to ground.
CoreControl TM
Page 11 of 25
DS-CoreControl-TDA21302
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet TDA21302.PDF ] | |
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