tea1506at NXP Semiconductors, tea1506at Datasheet - Page 15

• Manufacturer Part Number: tea1506at
• Description: Greenchip Smps Control Ic
• Manufacturer: NXP Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
A converter with the TEA1506 consists of an input filter, a transformer with a third winding (auxiliary), and an output stage
with a feedback circuit.
Capacitor C
via the auxiliary winding during operation.
A sense resistor converts the primary current into a voltage at pin I
maximum primary peak current.
2003 Sep 09
handbook, full pagewidth
GreenChip II SMPS control IC
VCC
V mains
(at pin V
C CTRL
R CTRL
C VCC
CC
) buffers the supply voltage of the IC, which is powered via the resistor R
CTRL
R S
GND
DEM
V CC
Fig.12 Flyback configuration with secondary sensing.
1
2
3
4
TEA1506AP
TEA1506P
R DEM
C i
8
7
6
5
HVS
DRAIN
DRIVER
I sense
n.c.
C SS
R SS
15
power
MOSFET
R sense
sense
V i
N aux
N p
. The value of this sense resistor defines the
D micro
N s
D o
TEA1506P; TEA1506AP;
TEA1506T; TEA1506AT
C micro
C o
V C
V o
CONTROLLER
MICRO-
MDB508
R reg2
S
Product specification
R reg1
during start-up and