Philips Semiconductors
Product specification
I2C-bus autosync deflection controller for
PC monitors
TDA4841PS
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VOLTAGE COMPARATOR: PIN BSENS
Vi(BSENS)
voltage range of positive
comparator input
0
0
−
−
−
−
5
V
Vi(BOP)
voltage range of negative
comparator input
5
V
ILI(BSENS)(max)
maximum leakage current
discharge disabled
−2
µA
OPEN-COLLECTOR OUTPUT STAGE: PIN BDRV
Io(BDRV)(max)
ILO(BDRV)
maximum output current
output leakage current
saturation voltage
note 13
20
−
−
−
−
−
mA
µA
mV
ns
VBDRV = 16 V
Io(BDRV) < 20 mA
3
Vsat(BDRV)
−
300
−
toff(BDRV)(min)
td(BDRV-HDRV)
minimum off-time
−
250
500
delay between BDRV pulse and measured at
HDRV pulse HDRV = VBDRV = 3 V
−
−
ns
V
BSENS DISCHARGE CIRCUIT: PIN BSENS
VSTOP(BSENS)
discharge stop level
capacitive load;
IBSENS = 0.5 mA
0.85
1.0
1.15
V
Idch(BSENS)
discharge current
VBSENS > 2.5 V
fault condition
4.5
1.2
2
6.0
1.3
−
7.5
1.4
−
mA
V
Vth(BSENS)(restart)
CBSENS(min)
threshold voltage for restart
minimum value of capacitor at
BSENS (pin 4)
nF
Internal reference, supply voltage, soft start and protection
VCC(stab)
external supply voltage for
complete stabilization of all
internal references
9.2
−
16
V
ICC
supply current
−
−
70
9
−
−
mA
mA
ICC(stb)
standby supply current
STDBY = 1; VPLL2 < 1 V;
3.5 V < VCC < 16 V
PSRR
power supply rejection ratio of
internal supply voltage
f = 1 kHz
50
−
−
dB
V
VCC(blank)
supply voltage level for
activation of continuous
blanking
VCC decreasing from 12 V 8.2
VCC decreasing from 12 V 2.5
8.6
9.0
VCC(blank)(min)
minimum supply voltage level
for function of continuous
blanking
3.5
8.3
4.0
8.7
V
V
Von(VCC)
supply voltage level for
activation of HDRV, BDRV,
VOUT1, VOUT2 and
HUNLOCK
VCC increasing from below 7.9
typical 8.1 V
Voff(VCC)
supply voltage level for
VCC decreasing from
7.7
8.1
8.5
V
deactivation of BDRV, VOUT1, above typical 8.3 V
VOUT2 and HUNLOCK; also
sets register SOFTST
1999 Oct 25
25
NXP [ NXP ]
