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參數(shù)資料
| 型號(hào)： | TDA21302 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | Multi-Phase PWM Controller for CPU Core Power Supply |
| 中文描述： | 多相PWM控制器，電源為CPU內(nèi)核電源 |
| 文件頁(yè)數(shù)： | 5/25頁(yè) |
| 文件大小： | 588K |
| 代理商： | TDA21302 |
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CoreControl
TM
Page 5 of 25
DS-CoreControl-TDA21302
Number
Name
Description
1
OVP
Over voltage trip output
2
PGOOD
Open drain power good signal output pin
3
VID4
Voltage Identification DAC Input. Internally pull up to 3V.
4
VID3
Voltage Identification DAC Input. Internally pull up to 3V.
5
VID2
Voltage Identification DAC Input. Internally pull up to 3V.
6
VID1
Voltage Identification DAC Input. Internally pull up to 3V.
7
VID0
Voltage Identification DAC Input. Internally pull up to 3V.
8
VID125
Voltage Identification DAC Input. Internally pull up to 3V.
9
VOSS
Connect a resistor to GND to set the initial offset voltage.
10
ADJ
Connect a resistor to GND to set the Droop Voltage.
11
SS
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.
12
FB
Internal error amplifier inverting input pin
13
COMP
Output of the error amplifier and input of the PWM comparator
14
VDIF
Output pin of the differential converter output voltage sense
15
ISN4
Differential current sense negative input pin connects to the drain pin of channel 4 Sync FET
16
ISN3
Differential current sense negative input pin connects to the drain pin of channel 3 Sync FET
17
ISN2
Differential current sense positive input pin connects to the drain pin of channel 2 Sync FET
18
ISN1
Differential current sense positive input pin connects to the drain pin of channel 1 Sync FET
19
VSEN
The positive input pin of the differential converter output voltage sense amplifier
20
SGND
The negative input pin of the differential converter output voltage sense amplifier
21
GND
Ground pin of the IC
22
PWM3
Channel 3 PWM output pin. Connect to high level for 2 phase operation.
23
ISP3
Differential current sense positive input pin connects to the source pin of channel 3 Sync FET
24
ISP1
Differential current sense positive input pin connects to the source pin of channel 1 Sync FET
25
PWM1
Channel 1 PWM output pin
26
PWM2
Channel 2 PWM output pin
27
ISP2
Differential current sense positive input pin connects to the source pin of channel 2 Sync FET
28
ISP4
Differential current sense positive input pin connects to the source pin of channel 4 Sync FET
29
PWM4
Channel 4 PWM output pin. Connect to high level for 2 or 3 phase operation.
30
VCC
IC power supply pin connects to 5V
31
DVD
Connect the external voltage divider to program the controller under voltage lockout based on
the input voltage of the power stage voltage
32
RT
Connect a resistor to GND to set the channel switching frequency
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