TEA1532 Philips Semiconductors, TEA1532 Datasheet - Page 15

• Manufacturer Part Number: TEA1532
• Description: GreenChip SMPS control IC
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 5:
T
the IC; unless otherwise specified.
[1]
[2]
[3]
11. Application information
9397 750 13113
Preliminary data sheet
Symbol
Temperature protection
T
T
amb
prot(max)
prot(hyst)
Guaranteed by design.
V
Valid for V
= 25 C; V
i
detection level. Set by the demagnetization resistor R
Characteristics
CC
CC
> 2 V.
= 15 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
Parameter
maximum temperature
protection level
hysteresis for the temperature
protection level
A converter with the TEA1532 consists of an input filter, a transformer with a third winding
(auxiliary), and an output stage with a feedback circuit.
Capacitor C
rectified mains during start-up and via the auxiliary winding during operation.
A sense resistor R
value of R
Figure 10
Pin PROTECT is used in this example for external overvoltage protection and open loop
or output short-circuit protection. If this pin is not used, it must be tied to ground.
shows a flyback configuration using the continuous conduction mode. Pin PROTECT is
used in this example for external overtemperature protection and open loop or output
short-circuit protection.
…continued
sense
shows a flyback configuration using the discontinuous conduction mode.
VCC
defines the maximum primary peak current.
buffers the IC supply voltage, which is powered via the high voltage
sense
converts the primary current into a voltage at pin SENSE. The
Rev. 01 — 28 May 2004
Conditions
DEM
; see
Section 7.14
GreenChip II SMPS control IC
[3]
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Min
130
-
Typ
140
8
TEA1532
Max
150
-
Figure 13
15 of 27
Unit
C
C