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參數(shù)資料
| 型號(hào)： | M62295 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | LCD BACK-LIGHT CONTROL IC |
| 中文描述： | 液晶背光控制IC |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 57K |
| 代理商： | M62295 |
MITSUBISHI(Standard Linear ICs)
M62295GP
PC BACK- LIGHT CONTROL IC
( / 7 )
4
Function description
Output oscillation circuit and tooth-wave generating circuit for light control (RT, CT1, CT2)
As shown in Fig.1, charge/discharge current
for each oscillation circuit is set by connecting
resistors to RT terminal.
RT terminal is connected to FB terminal by
resistor to control the frequency for light control.
CT1 is the terminal for connecting capacitor for
output oscillation circuit, generating triangular-
wave oscillating between lower limit (approx. 0.25V)
and upper limit (approx. 1.25V) by the charge
current set at RT terminal.
CT2 is the terminal for connecting capacitor for
tooth-wave for light control, into which one twentieth
of charge current of CT1 terminal flows generating
tooth-wave oscillating between lower limit (approx.
0.25V) and upper limit (approx. 1.25V).
Each charge current and oscillation frequency is
decided by the formula shown below.
CT1 charge/ discharge current
(ICT1charge)
1.25
Ro
1.25
Ro
*
20
1
Output freq. (Fosc) =
1
T
CT1 *ICT1charge
2
1
Tooth - wave freq. (CT2osc) =
CT2 *ICT21
1
(divided ratio) =
CT2 * 10
CT1
ON/OFF control function (P/C)
P/C = Vcc : IC in normal operation mode
P/C = GND&OPEN : IC operation at halt
ON/OFF control is available using P/C terminal.
As shown in Fig.3, ON/OFF control is made by
connecting P/C terminal to Vcc or GND or by making
P/C terminal open.
Tooth - wave freq. (CT2osc)
Output freq. (Fosc)
CT1
0.25V
G1
(POUT)
G2
(NOUT)
CT2
0.25V
1.25V
T
RT (1.25V)
FB
CT1
CT2
Ro
CT1
CT2
1.25V
0.8V
0.7V
Fig.1 Connections of RT,CT1, CT2
Fig.2 Waveform for CT1, CT2, and G1, G2
P/C
Vcc
Fig.3 Connection example for P/C
CT2 charge/ discharge current
(ICT2charge)
=
=
=
相關(guān)PDF資料 |
PDF描述 |
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| M62295GP | LCD BACK-LIGHT CONTROL IC |
| M62301SP | 10~12-BIT 4CH INTEGRATING A-D CONVERTER |
| M62301 | 10~12-BIT 4CH INTEGRATING A-D CONVERTER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M62295GP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:LCD Back-light Control IC |
| M623 | 功能描述:罩類、盒類及殼類產(chǎn)品 11x6-3/4x1-3/4 (2.04cf)13 Cmprtmnts RoHS:否 制造商:Bud Industries 產(chǎn)品:Boxes 外部深度:6.35 mm 外部寬度:6.35 mm 外部高度:2.56 mm NEMA 額定值: IP 等級(jí): 材料:Acrylonitrile Butadiene Styrene (ABS) 顏色:Red |
| M6230 | 制造商:SAFETY FIRST AID GROUP 功能描述:ACRIFLEX CREAM FOR BURNS 30G |
| M62301 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:10~12-BIT 4CH INTEGRATING A-D CONVERTER |
| M62301FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:10~12-BIT 4CH INTEGRATING A-D CONVERTER |
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