STV5180 데이터 시트보기 (PDF) - STMicroelectronics

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STV5180

CONTROL I.C. FOR SWITCH MODE POWER SUPPLY AND FOR LINE DEFLECTION

STMicroelectronics 

ELECTRICAL CHARACTERISTICS (TA = 25oC, VCC = 5V)

Symbol

Parameter

Test Conditions

SMPS OSCILLATOR

T1

TONmin

DONmax

WSPOS

WSNEG

Free Period

Minimum Duty Cycle

Maximum Duty Cycle

Positive Triggering Window Ttrig+ − T0

T0

Negative Triggering Window T0 − Ttrig−

T0

RT = 82kΩ ; CT = 1nF

RT = 82kΩ ; CT = 1nF

RT = 82kΩ ; CT = 1nF

RT = 82kΩ ; CT = 1nF

RT = 82kΩ ; CT = 1nF

DEFLECTION OSCILLATOR

T2

Free Period

DON

Duty Cycle

TOFF

WDPOS

Positive Triggering Window Ttrig+ − T0

T0

WDNEG

Negative Triggering Window T0 − Ttrig−

T0

INTERNAL VOLTAGE REFERENCE

RT = 82kΩ ; CT = 1nF

RT = 82kΩ ; CT = 1nF

RT = 82kΩ ; CT = 1nF

RT = 82kΩ ; CT = 1nF

RT = 82kΩ ; CT = 1nF

VREFmin Minimum Voltage Reference

VREFmax Maximum Voltage Reference

POWER OUTPUT STAGES

DAC set to 00 Hex

DAC set to 3F Hex

VPOUTH

VPOUTL

ISINK

ISOURCE

Output High Level (Pin 3 and 5)

Output Low Level (Pin 3 and 5)

Sink Current (Pin 3 and 5)

Source Current (Pin 3 and 5)

Iload = 1mA

Iload = -1mA

VPOUT = 2.5V

VPOUT = 2.5V

DAC

6 bits DAC ; power on default value : 00 Hex.

STV5180

Min. Typ. Max. Unit

57 60 63.5 µS

1.8 2.4 3 µS

70 75 80 %

33

%

20

%

57 60 63.5 µS

50

%

30

µS

20

%

0

%

1.76 1.84 1.92 V

2.08 2.16 2.24 V

4 4.5

V

0.5 1

V

30

70 mA

30

70 mA

3/5

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