Datasheet

TEA1721FT All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1.1 — 7 June 2012 3 of 14
NXP Semiconductors
TEA1721FT
HV start-up flyback controller with integrated MOSFET for 5 W
2. Ordering information
3. Block diagram
3.1 Block diagram
Table 2. Ordering information
Type number Package
Name Description Version
TEA1721FT/N1 SO7 plastic small outline package; 7 leads; body width 3.9 mm SOT1175-1
Fig 1. Block diagram
START
STOP
VCC
FB
GND
REFERENCES
AND
TEMPERATURE
PROTECTION
f
osc
,
V
SOURCE
AND
JITTER
REGULATOR
OSCILLATOR
BURST
REGULATOR
CONTROL
LOGIC
SOURCE
DRAIN
SENSOR
start-up source
V
SOURCE
comparator
f
burst
f
SW
V
OVP(FBS)
V
FBS
OTP
enable
V
ref
controller and cable
compensation
demag
driver
power
switch
V
peak
001aan293
TEA1721