SGS Thomson Microelectronics STV5180 Datasheet
STV5180
CONTROLI.C. FOR SWITCHMODE POWER SUPPLY
AND FOR LINE DEFLECTION
ADVANCE DATA
SECONDARY SIDE SWITCH MODE POWER
SUPPLY
.
INTERNALPWM SIGNALGENERATOR
.
SYNCHRONIZATION OR FREE RUNNING
MODES
.
SOFTSTART
.
REFERENCE VOLTAGE ADJUSTABLE BY
2
I
C BUS
.
WIDEFREQUENCY RANGE
.
MINIMUMOUTPUTPULSE WIDTH2.4µs
.
STAND-BY MODE, COMMANDED STBY INPUT ORI
HORIZONTALDEFLECTION CONTROLLER
.
INTERNALPWM SIGNALGENERATOR
.
SYNCHRONIZATION OR FREE RUNNING
MODES
.
SOFTSTART
.
PERMANENT CONTROL OF DUTY CYCLE
TO SAFETHE POWERSTAGE
.
CHOICE (BY I2C BUS) OF THE ACTIVE
EDGE OFTHE INPUTSIGNAL
.
ON/OFF FUNCTION COMMANDED BY
2
C BUS
I
.
STAND-BY MODE COMMANDED BY STBY
INPUTAND BYI
2
C BUS
2
C BUS
part of an off-line SMPS, sending pulses to the
slaved TEA2260/61 which are located on the primary side of the main transformer. Dedicated for
TVsetapplications,it containsalsoaline deflection
controlcircuitto insurea high levelof safetyfor the
power deflection stage. These two functions are
commandedby I
2
Cbus.
SO16 WIDE
(Plastic Micropackage)
ORDER CODE : STV5180
DESCRIPTION
TheSTV5180is designedto workinthe secondary
PIN CONNECTIONS
SOFT START SMPS
VOLTAGE SUPPLY
PWM OUTPUT SMPS
HORIZONTALDRIVE PULSE
DEFLECTION SOFT START
DEFLECTION OSCILLATOR RESISTOR
DELECTION OSCILLATORCAPACITANCE
August 1994
GROUND
Csfs
V
Pouts
GND
Poutd
Csfd
RTd
CTd
1
2
CC
3
4
5
6
7
8
16
15
14
13
12
11
10
RTs
SMPS OSCILLATORRESISTOR
CTs
SMPS OSCILLATORCAPACITANCE
Eout
OUTPUT ERROR AMPLIFIER
E-
INPUT ERROE AMPLIFIER
2
SDA
I C BUS INPUT
2
SCL
I C BUS INPUT
STBY
TEST POINT
9
HDR
LINE SYNC PULSE FROM
SIGNAL /DEFLECTION PROCESSOR
5180-01.EPS
1/5
STV5180
BLOCK DIAGRAM
STV5180
Internal
Supply
V
REF
D/A
8-BIT
REGISTER
16
15
SMPS
OSCILLATOR
CsfsRTsCTs
1
PWM
Error Amp
14
13
3
Pouts
Eout
E-
2
I BUS
INTERFACE
Trigger Slope Selection
Deflection ON/OFF
DEFLECTION
V Aux
PWM
5
Poutd
OSCILLATOR
2
V
STBY SDA SCL H-DRIVE CTd RTd Cfsd GND
CC
1112
4
678910
ABSOLUTEMAXIMUM RATINGS
Symbol Parameter Value Unit
V
CC
T
T
stg
SupplyVoltage 6 V
Operating Junction Temperature 150
j
Storage Temperature Range 0, + 70
THERMALDATA
Symbol Parameter Value Unit
R
th (j-a)
Junction-ambient Thermal Resistance 75
RECOMMANDED OPERATING CONDITIONS
Symbol Parameter Min. Typ. Max. Unit
V
CC
RT Timing Resistor 82
CT Timing Capacitor 1 nF
Fosc Oscillator Frequency 16 kHz
T
amb
I
SOURCE
Power Supply Voltage 4.5 5 V
Operating Ambient Temperature 0 70
Output Current (Pin 3 and Pin 5) V
= 2.5V 30 70 mA
OUT
°C
°C
°C/W
kΩ
°C
5180-02.EPS
5180-01.TBL
5180-02.TBL
5180-03.TBL
2/5
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