M62502FP Datasheet, PDF (4/7 Pages) Mitsubishi Electric Semiconductor – PWM IC for the synchronized deflection system control

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MITSUBISHI (Dig./Ana. INTERFACE)
M62502FP
PWM IC for the synchronized deflection system control
Terminal functional description and equivalent circuit
Terminal No. _Symbol
Function and internal circuit
PWM output
• PWM output synchronized with the TIN input is available.
• Output "H" level = 10.5V typ
1
PWM OUT
(The output current:-100mA,Vcc=12V)
• Output "L" level = 0.7V Typ
(The output current:+100mA,Vcc=12V)
2 ^Vcc
PWM
1 OUT
16 ^GND
2
Vcc
Power supply
Vcc ₂
Trigger input
• Frequency range
15kHz to 150kHz
• It is taken on a leading edge.
TIN input waveform
TIN 3
3
TIN
MIN 2.5V
15 ^VREF
MAX 1.0V
16 ^GND
A saw-wave oscillator timing setting (Cosc)
• A saw-wave is generated by connecting the capacitor between pin4 and GND.
• Recommended capacitor value is 1000pF.
Setting AGC sensitivity (Cagc)
4
Cosc
• The sensitivity of AGC circuit is set by connecting the capacitor between pin5
and GND.
• Recommended capacitor value is 1µF.
5
Cagc1
VREF ₁₅
Cosc ₄
GND ₁₆
(4/7)
~
~
5 ^Cagc1