参数资料
型号: TDA4853/V2
厂商: NXP SEMICONDUCTORS
元件分类: 偏转
英文描述: HORIZ/VERT DEFLECTION IC, PDIP32
封装: PLASTIC, SDIP-32
文件页数: 39/63页
文件大小: 318K
代理商: TDA4853/V2
1999 Jul 13
44
Philips Semiconductors
Product specication
I2C-bus autosync deection controllers for
PC/TV monitors
TDA4853; TDA4854
Fig.27 PLL2 soft start sequence and PLL2 soft-down sequence by external DC current.
a. PLL2 soft start sequence by external DC current, if VCC > 8.6 V.
b. PLL2 soft-down sequence by external DC current, if VCC > 8.6 V.
(1) HDRV, BDRV, VOUT2 and VOUT1 are floating for VCC < 8.6 V.
handbook, full pagewidth
VHPLL2
continuous blanking off
PLL2 enabled
frequency detector enabled
HDRV/HFLB protection enabled
4.6 V
3.3 V
1.7 V
time
HDRV duty cycle begins to increase
BDRV duty cycle begins to increase
HDRV duty cycle has reached nominal value
3.0 V
BDRV duty cycle has reached nominal value
duty
cycle
increases
MHB108
handbook, full pagewidth
VHPLL2
continuous blanking (pin 16 and 17) activated
PLL2 disabled
frequency detector disabled
HDRV/HFLB protection disabled
4.6 V
3.3 V
1.7 V
time
HDRV floating
BDRV duty cycle begins to decrease(1)
3.0 V
BDRV floating
HDRV duty cycle begins to decrease(1)
duty
cycle
decreases
MHB109
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