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TEA1532T View Datasheet(PDF) - Philips Electronics

Part Name
Description
Manufacturer
TEA1532T
Philips
Philips Electronics Philips
TEA1532T Datasheet PDF : 27 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Philips Semiconductors
5. Block diagram
TEA1532
GreenChipII SMPS control IC
VCC 1
2
S1
GND
SUPPLY
MANAGEMENT
internal UVLO start
supply
Vm
OSCILLATOR
SLOPE
COMPENSATION
Islopecomp
4
CTRL
1
5.6 V
POWER-ON
RESET
DCM
AND
CCM
DETECTION
START-UP
CURRENT SOURCE
VALLEY
LOGIC
Osc_Rdy
Duty_Max LOGIC
80
mV
DRIVER
SQ
UVLO R Q
LEB
blank
OCP
Iprot(dem)
clamp
8
DRAIN
5
DEM
soft
start
S2
50
mV
7
DRIVER
Iss
0.5 V
control
detect
0.63 V
PROTECT
Icharge
3
300
5.6 V
Idischarge
Fig 1. Block diagram.
MAXIMUM
ON-TIME
PROTECTION
2.5 V
S3
DCM and CCM
BROWN-OUT
PROTECTION
6
SENSE
protect
3 V detect
OVER-
TEMPERATURE
PROTECTION
SQ
VCC < 4.5 V
RQ
TEA1532T
TEA1532P
coa014
9397 750 13113
Preliminary data sheet
Rev. 01 — 28 May 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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