TEA1532T Philips Semiconductors, TEA1532T Datasheet - Page 3

• Manufacturer Part Number: TEA1532T
• Description: GreenChip SMPS control IC
• Manufacturer: Philips Semiconductors

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Philips Semiconductors
5. Block diagram
9397 750 14319
Product data sheet
Fig 1. Block diagram
(1) Switch S3 is not controlled in the TEA1532T and TEA1532P (fixed as drawn).
PROTECT
CTRL
GND
V
CC
1
4
3
2
300
COMPENSATION
I
discharge
I slopecomp
S1
SLOPE
0.63 V
I
charge
control
detect
5.6 V
5.6 V
V
m
OSCILLATOR
1
internal
supply
MANAGEMENT
SUPPLY
POWER-ON
UVLO start
RESET
PROTECTION
3 V
MAXIMUM
ON-TIME
2.5 V
protect
detect
Rev. 02 — 4 February 2005
Duty_Max
Osc_Rdy
UVLO
DETECTION
TEA1532(A)P; TEA1532(A)T
TEMPERATURE
(1)
PROTECTION
DCM
CCM
AND
OVER-
LOGIC
LOGIC
S3
S
R
Q
Q
CURRENT SOURCE
START-UP
DCM and CCM
V CC < 4.5 V
VALLEY
DRIVER
blank
PROTECTION
GreenChip II SMPS control IC
BROWN-OUT
OCP
S
R
LEB
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
80
mV
Q
Q
clamp
I
prot(dem)
TEA1532AP
TEA1532AT
start
TEA1532T
TEA1532P
soft
S2
I
0.5 V
mV
ss
coa014
50
8
5
7
6
DRAIN
DEM
DRIVER
SENSE
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