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PDF M62502FP Data sheet ( Hoja de datos )
| Número de pieza | M62502FP | |
| Descripción | PWM IC for the synchronized deflection system control | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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MITSUBISHI (Dig./Ana. INTERFACE)
M62502FP
PWM IC for the synchronized deflection system control
GENERAL DESCRIPTION
The M62502 is a controller for a deflection system of CRT display
monitors. It performs a stable PWM control over a wide fluctuation
of external signals, thanks to the built-in trigger mode oscillator.
The IC is suitable for an application to a high voltage drive and a
horizontal output correction of CRT monitors because of its
following circuits and functions;
• Under Voltage Lock Out circuit (UVLO)
• Soft-start function
FEATURES
• PWM output synchronized with external signals
• Wide PWM control frequency
15kHz to 150kHz
• Soft start function
• Low voltage malfunction protection circuit
start Vcc > 9V
stop Vcc < 6V
PIN CONFIGURATION(TOP VIEW)
PWM OUT 1
Vcc 2
TIN 3
Cosc 4
Cagc1 5
Ragc 6
Cagc2 7
2fh 8
16 GND
15 VREF
14 DTC
13 FB
12 IN –
11 IN +
10 Duty
9 DOUT
Outline 16P2N-A
APPLICATION
• C R T display monitor
BLOCK DIAGRAM
GND
16
VREF
15
DTC FB IN-
14 13 12
IN+
11
Duty
Adj
10
DRIVE
OUTPUT
9
VCC
VREF
Duty
Amp cont
Comp
Wind comp
UVLO
Comp
GEN
AGC
GEN
AGC
Edge
detection
12
PWM OUT VCC
3 45
67
TIN COSC CAGC1 RAGC CAGC2
8
2fh
(1/7)
1 page  
P R E L I M I N A L YNSootimceesp;Tahraismisetnrioct laimfiintsaal srepescuibfijceacttioton.change.
MITSUBISHI (Dig./Ana. INTERFACE)
M62502FP
PWM IC for the synchronized deflection system control
Terminal No. Symbol
Function and internal circuit
AGC current setting
• The resistor is connected between pin6 and GND for
6 Ragc setting AGC current flowing in DOUT circuit.
VREF
Setting AGC sensitivity
• The sensitivity of AGC is set by connecting
the capacitor between pin7 and GND.
• Recommended capacitor value is 1µF.
7 Cagc2
Cagc2 7
Ragc 6
VREF
Frequency selection
• The frequency of drive output is alternated
VREF
8 2fh
between just(fh) and doubled(2fh) one.
OPEN, GND : fh
2fh 8
VREF
: 2fh
Drive output
• Open collector circuit.
9 DOUT
VREF
~~
9 DOUT
The duty adjustment of drive output
10 Duty
(5/7)
Duty 10
VREF
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet M62502FP.PDF ] | |
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