tea1781 NXP Semiconductors, tea1781 Datasheet - Page 11

• Manufacturer Part Number: tea1781
• Description: Greenchip Pc Secondary Control Ics
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TEA1781_82_1
Preliminary data sheet
Fig 9.
outputs are
3.3 V / 5 V
enabled
The ENABLE signal is for communicating between the secondary control ICs
V
TEA1781
trip(ENABLE)
Rev. 01 — 13 February 2009
I ENABLE
temp.prot
protection 5 V
protection 3.3 V
ENABLE
TEA1782
TEA1781T; TEA1782T
V
V
VDD
ENABLE
NORMAL
V ENABLE
+ PS_OFF+ PROT_12V + UVP_STB
< V
I
ENABLE
GreenChip PC secondary control ICs
stop(VDD)
= 11 V
> I
prot(ENABLE)
PS_OFF
V
Digital control
ENABLE
STARTUP
RESTART
SYSTEM
= 4 V
+ EN_NM
V
© NXP B.V. 2009. All rights reserved.
V
PROT/STDB
ENABLE
VDD
> V
system failure
detection
= 4 V
startup(VDD)
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