tea1530t NXP Semiconductors, tea1530t Datasheet - Page 14

• Manufacturer Part Number: tea1530t
• Description: Greenchip Ii Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
11. Application information
TEA1530T_AT_AP_1
Product data sheet
A converter with the TEA1530(A) consists of an input filter, a transformer with a third
winding (auxiliary), and an output stage with a feedback circuit.
Capacitor C
source, that is connected to the rectified mains, during start-up and via the auxiliary
winding during operation.
A sense resistor R
value of R
Figure 8
example for external overtemperature protection and open loop or output short circuit
protection.
Fig 8.
U
(1) Pin PROTECT is used in this example for external OTP and open loop or output short circuit
shows a typical CCM flyback configuration. Pin PROTECT is used in this
protection. Slope compensation is determined by the value of R
Flyback configuration using CCM
sense
VCC
V
mains
R CTRL
defines the maximum primary peak current.
buffers the IC supply voltage, which is powered via the internal current
sense
R slopecomp
Rev. 01 — 30 June 2008
PROTECT
converts the primary current into a voltage at pin SENSE. The
CTRL
V
GND
V CC
I
1
2
3
4
TEA1530(A)
8
7
6
5
HVS
DRAIN
DRIVER
SENSE
TEA1530T/AT/AP
R ss
C ss
GreenChip II SMPS control IC
slopecomp
R sense
.
© NXP B.V. 2008. All rights reserved.
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