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TEA1552 Fiches technique(PDF) 4 Page - NXP Semiconductors

No de pièce TEA1552
Description  GreenChipII SMPS control IC
Download  24 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TEA1552 Fiches technique(HTML) 4 Page - NXP Semiconductors

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2002 Aug 27
4
Philips Semiconductors
Product specification
GreenChip
™II SMPS control IC
TEA1552
BLOCK DIAGRAM
handbook, full pagewidth
SUPPLY
MANAGEMENT
internal
supply
UVLO
start
M-level
VCC
8
10
13
300
Ω
1
3
GND
STDBY
S1
CTRL
FREQUENCY
CONTROL
VOLTAGE
CONTROLLED
OSCILLATOR
LOGIC
LOGIC
OVER-
VOLTAGE
PROTECTION
OVER-POWER
PROTECTION
short
winding
soft
start
S2
OVER-
TEMPERATURE
PROTECTION
SQ
R
UVLO
Q
MAXIMUM
ON-TIME
PROTECTION
POWER-ON
RESET
−1
VALLEY
TEA1552
100 mV
clamp
DRIVER
START-UP
CURRENT SOURCE
12
LOCK
VCOadj
0.88 V
0.5 V
5.6 V
2
11
Isense
VCC(5V)
4
DRIVER
MBL499
14
DEM
7
DRAIN
5, 6
HVS
OCP
LEB
blank
Iss
lock
detect
2.5 V
SQ
R
VCC < 4.5 V
Q
5 V/1 mA
(max)
Fig.2 Block diagram.


Numéro de pièce similaire - TEA1552

FabricantNo de pièceFiches techniqueDescription
logo
NXP Semiconductors		 TEA1553T NXP-TEA1553T Datasheet
149Kb / 27P		    GreenChip II SMPS control IC
Rev. 01-3 July 2007
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Description similaire - TEA1552

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