TEA1532CT NXP Semiconductors, TEA1532CT Datasheet - Page 3

• Manufacturer Part Number: TEA1532CT
• Description: (TEA1532BT / TEA1532CT) GreenChip II SMPS control IC
• Manufacturer: NXP Semiconductors

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NXP Semiconductors
5. Block diagram
TEA1532BT_TEA1532CT_1
Product data sheet
Fig 1. Block diagram
PROTECT
(1) Switch S3 is not controlled in the TEA1532BT (fixed as drawn).
CTRL
GND
V
CC
1
2
4
3
S1
300
COMPENSATION
I
sc
V
SLOPE
I
/ t
0.63 V
mains(oper)(en)
dch
I
ch
control
detect
5.6 V
5.6 V
OSCILLATOR
1
internal
supply
MANAGEMENT
SUPPLY
POWER-ON
UVLO start
RESET
PROTECTION
3 V
MAXIMUM
ON-TIME
2.5 V
protect
detect
Rev. 01 — 18 January 2007
Duty_Max
Osc_Rdy
UVLO
DETECTION
TEMPERATURE
(1)
PROTECTION
DCM
CCM
AND
OVER-
LOGIC
LOGIC
S3
S
R
TEA1532BT; TEA1532CT
Q
Q
CURRENT SOURCE
START-UP
DCM and CCM
V CC < 4.5 V
VALLEY
DRIVER
blank
PROTECTION
BROWN-OUT
OCP
S
R
LEB
80
mV
GreenChip II SMPS control IC
Q
Q
clamp
TEA1532BT
TEA1532CT
start
soft
S2
© NXP B.V. 2007. All rights reserved.
I
0.5 V
mV
startup(soft)
50
coa047
8
5
7
6
DRAIN
DEM
DRIVER
SENSE
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