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Número de pieza | M62501FP | |
Descripción | PWM IC for the synchronized deflection system control | |
Fabricantes | Mitsubishi | |
Logotipo | ||
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MITSUBISHI <Digi./Ana.INTERFACE>
M62501P,FP
PWM IC for the synchronized deflection system control
GENERAL DESCRIPTION
The M62501P/FP 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 of monitors because of its following
circuits and functions;
• low voltage mulfunction protection circuit,
• over or under voltage protection circuit for a control line,
• soft-start function.
It is also applicable to a horizontal output correction.
FEATURES
• PWM output synchronized with external signals
• Wide pulse width modulation control frquency
15kHz to 150kHz
• Soft start function
• The under voltage output malfunction protection circuit
start Vcc > 9V stop Vcc < 6V
• Built-in over voltage protection (OVP) and under voltage
protection (UVP) control
PIN CONFIGURATION(TOP VIEW)
PWM OUT 1
Vcc 2
TIN 3
Cosc 4
Cagc 5
POUT 6
OVP 7
UVP 8
16 GND
15 VREF
14 DTC
13 FB
12 IN-
11 IN+
10 BO
9 BI
outline P: 16P4
FP: 16P2S
APPLICATION
• CRT display monitor
BLOCK DIAGRAM
GND
16
VREF
15
DTC FB IN- IN+
14 13 12
11
BO BI
10 9
VCC VREF
Comp
UVLO
Amp
Amp
GEN AGC
Latch
VREF
Comp
Comp
0.5V
12
PWM OUT VCC
34
56
TIN COSC CAGC POUT
78
OVP UVP
( 1/ 9 )
9702
1 page P R E L I M I N A L YNSootimceesp;Tahraismisetnrioct laimfiintsaal srepescuibfijceacttioton.change.
MITSUBISHI <Digi./Ana.INTERFACE>
M62501P,FP
PWM IC for the synchronized deflection system control
Terminal No.
Symbol
6 POUT
7 OVP
Function and terminal circumscription circuitry
•The abnormal state detection output terminal
•The output becomes "H" from "L" when an abnormality is
detected in the OVP or UVP terminal. Then the PWM
output terminal becomes "H" settlement, too.
•Do OFF of power supply (Vcc) to remove latch of
abnormal state.
•In abnormal state detection ;
Output "H" level = 10.5V typ
(The output load current : no-load, Vcc=12V)
Output "L" level = 1.5V typ
(The output load current : -1mA, Vcc=12V)
•In normal state ;
Output "L" level = 0.4V typ
(The output load current : +10mA, Vcc=12V)
•Over voltage protection of the control line (OVP)
•Setting terminal voltage ;
GND ≤ VOVP < VREF
•Under voltage protection of the control line (UVP)
•Setting terminal voltage ;
GND ≤ VUVP < VOVP
Vcc 2
VREF 15
7 OVP
2 Vcc
6 POUT
16 GND
8 UVP
8 UVP
GND 16
To latch input
Note:It is connected to GND when the abnormal detection terminal is not used.
•The input terminal of a buffer Amp. (BI)
•The output terminal of a buffer Amp. (BO)
Vcc 2
9 BI
10 BO
BI 9
10 BO
( 5/ 9 )
9702
5 Page |
Páginas | Total 9 Páginas | |
PDF Descargar | [ Datasheet M62501FP.PDF ] |
Número de pieza | Descripción | Fabricantes |
M62501FP | PWM IC for the synchronized deflection system control | Mitsubishi |
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