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TEA1532CT View Datasheet(PDF) - NXP Semiconductors.

Part Name
Description
Manufacturer
TEA1532CT
NXP
NXP Semiconductors. NXP
TEA1532CT Datasheet PDF : 23 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
NXP Semiconductors
5. Block diagram
TEA1532BT; TEA1532CT
GreenChip II SMPS control IC
VCC 1
2 S1
GND
SUPPLY
MANAGEMENT
internal UVLO start
supply
Vmains(oper)(en)
OSCILLATOR
SLOPE
COMPENSATION
4
CTRL
Isc/t
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
clamp
8
DRAIN
5
DEM
soft
start
S2
50
mV
7
DRIVER
Istartup(soft)
0.5 V
control
detect
0.63 V
3
PROTECT
Ich
300
Idch
5.6 V
MAXIMUM
ON-TIME
PROTECTION
2.5 V
S3
(1)
protect
3 V detect
OVER-
TEMPERATURE
PROTECTION
(1) Switch S3 is not controlled in the TEA1532BT (fixed as drawn).
Fig 1. Block diagram
DCM and CCM
BROWN-OUT
PROTECTION
6
SENSE
SQ
VCC < 4.5 V
RQ
TEA1532BT
TEA1532CT
coa047
TEA1532BT_TEA1532CT_1
Product data sheet
Rev. 01 — 18 January 2007
© NXP B.V. 2007. All rights reserved.
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