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TEA1750T Datasheet(PDF) 3 Page - NXP Semiconductors

Part # TEA1750T
Description  GreenChip III SMPS control IC
Download  29 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

TEA1750T Datasheet(HTML) 3 Page - NXP Semiconductors

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TEA1750_2
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 02 — 15 December 2008
3 of 29
NXP Semiconductors
TEA1750
GreenChip III SMPS control IC
5.
Block diagram
Fig 1.
Block diagram
LOW VIN
TIMER 50
µs
TIMER 4
µs
PFC
PROT
VoOVP
VoBURST HIGH
VoBURST LOW
VoSTART FB
VoSHORT
LOWVIN
OCP
PFC DRIVER
ENABLE PFC
START STOP PFC
500 mV
VoBURST LOW
VoBURST HIGH
SOFT START
SOFT STOP
PFCGATE
VALLEY
DETECT
ZCS
−100 mV
BLANK
2.50 V
2.7 V
1.25 V
MAX
VCC GOOD
VoSTART FB
LOW POWER
EXT PROT
EXT PROT
OTP
OvpFB
LATCH RESET
TON MAX
VoSHORT
TIMEOUT
VUVLO
PROT
EXT PROT
VSTART
VUVLO
SMPS
CONTROL
LATCHED
PROTECTION
SAFE
RESTART
PROTECTION
CHARGE
CONTROL
STARTFB
START STOP
PFC
PROT
VCC GOOD
CHARGE
S
S
S
R
S
S
S
R
PFC
OSC
PFC
PROT
PROT
LATCH
RESET
ENABLE
PFC
R
S
Q
START
SOFT
START
FB
FB
DRIVER
ENABLE
FB
BLANK
Q
R
S
PFC
OSC
TON MAX
FREQ
RED.
EXT PROT
LOW
POWER
TIME
OUT
FB DRIVER
FB GATE
DRV
DRV
12
13
PFC DRIVER
PFC GATE
VINSENSE
PFCCOMP
VOSENSE
PFCSENSE
PFCAUX
OTP
CHANGE
VALLEY
DETECT
OTP
INTERNAL
SUPPLY
ZCS
FB GATE
FBAUX
FBSENSE
COUNTER
OVP
OvpFB
1.12 V
3.5 V
7
6
11
8
9
HV
VCC
16
1
GND
5
3
10
4
FBCTRL
LATCH
80 mV
PFCDRIVER
FBDRIVER
VSTART
VUVLO
2
30
µA
60
µA
60
µA
3.7 V
80
µA
PROT
ENABLEFB
2.5 V
3.5 V
1.25 V
014aaa055
TEMP


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