TEA1204T Philips Semiconductors, TEA1204T Datasheet - Page 4

• Manufacturer Part Number: TEA1204T
• Description: High efficiency DC/DC converter
• Manufacturer: Philips Semiconductors

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LX
5
POWER
N-type
FET
GND
6
CONVERTER
I/V
sense
FET
TEMPERATURE
PROTECTION
CONVERTER
OSCILLATOR
20 MHz
I/V
I IimP
I IimN
U/D
1
P-type POWER FET
VSEL
2
Fig.1 Block diagram.
sense FET
BURST
CONTROL LOGIC
MODE GEARBOX
START-UP
7
CIRCUIT
DIGITAL CONTROLLER
ROM
AND
SHDWN
8
COUNTER
TIME
TEA1204T
REFERENCE
BANDGAP
MGK923
3
4
UPOUT/DNIN
SENSE