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TEA1781T データシート(PDF) 5 Page - NXP Semiconductors

部品番号 TEA1781T
部品情報  GreenChip PC secondary control ICs
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メーカー  PHILIPS [NXP Semiconductors]
ホームページ  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TEA1781T データシート(HTML) 5 Page - NXP Semiconductors

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TEA1781_82_1
© NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 01 — 13 February 2009
5 of 32
NXP Semiconductors
TEA1781T; TEA1782T
GreenChip PC secondary control ICs
6.2 Pin description
Table 2.
TEA1781T pin description
Symbol
Pin
Description
FSB_5V
1
floating supply switch SB_5V
GSB_5V
2
gate driver switch SB_5V
DF_5V
3
drain voltage of switch SF_5V
VSTARTUP
4
start-up voltage connected to rectified secondary winding voltage
OCP
5
overcurrent protection
CS_5V
6
current sense 5 V output
VOUT_5V
7
output voltage 5 V output
VSENSE_5V
8
sense voltage 5 V output
VNTC
9
NTC voltage
ENABLE
10
enabling Normal mode
PGND_5V
11
power ground 5 V output
GSF_5V
12
gate driver switch SF_5V
GND
13
ground
GND
14
ground
VDD
15
supply voltage
GSF_3V3
16
gate driver switch SF_3V3
PGND_3V3
17
power ground 3V3 output
PWROK
18
power OK
VSENSE_3V3
19
sense voltage 3.3 V output
VOUT_3V3
20
output voltage 3.3 V output
CS_3V3
21
current sense 5 V output
PGOOD
22
PowerGood (delay setting for power OK)
DF_3V3
23
drain voltage of switch SF_3V3
GSB_3V3
24
gate driver switch SB_3V3
FSB_3V3
25
gate driver switch SB_3V3
WND_SEC_2
26
secondary transformer 3.3 V / 5 V winding voltage
GSR
27
gate driver switch SR (3.3 V / 5 V)
FSR
28
floating supply switch SR (3.3 V / 5 V)
Table 3.
TEA1782T Pin description
Symbol
Pin
Description
FSB_12V
1
floating supply switch SB_12V
GSB_12V
2
gate driver switch SB_12V
DF_12V
3
drain voltage of switch SF_12V
OCP_12V
4
overcurrent protection 12 V output
CS_12V
5
current sense 12 V output
VOUT_12V1
6
output voltage 12 V1 output
VOUT_12V2
7
output voltage 12 V2 output
EN_NM
8
enable Normal mode


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