TDA4841PS Datasheet, PDF (25/60 Pages) NXP Semiconductors – I2C-bus autosync deflection controller for PC monitors

Philips Semiconductors
I²C-bus autosync deflection controller for
PC monitors
Product specification
TDA4841PS
SYMBOL
PARAMETER
CONDITIONS
MIN.
VOLTAGE COMPARATOR: PIN BSENS
V_i(BSENS)
voltage range of positive
comparator input
V_i(BOP)
voltage range of negative
comparator input
I_{LI(BSENS)(max)}
maximum leakage current
discharge disabled
OPEN-COLLECTOR OUTPUT STAGE: PIN BDRV
I_o(BDRV)(max)
I_LO(BDRV)
V_sat(BDRV)
t_{off(BDRV)(min)}
t_d(BDRV-HDRV)
maximum output current
note 13
output leakage current
saturation voltage
minimum off-time
V_BDRV = 16 V
I_o(BDRV) < 20 mA
delay between BDRV pulse and measured at
HDRV pulse
V_HDRV = V_BDRV = 3 V
BSENS DISCHARGE CIRCUIT: PIN BSENS
V_STOP(BSENS)
I_dch(BSENS)
V_{th(BSENS)(restart)}
C_BSENS(min)
discharge stop level
discharge current
threshold voltage for restart
minimum value of capacitor at
BSENS (pin 4)
capacitive load;
I_BSENS = 0.5 mA
V_BSENS > 2.5 V
fault condition
0
0
−
20
−
−
−
−
0.85
4.5
1.2
2
Internal reference, supply voltage, soft start and protection
V_CC(stab)
external supply voltage for
9.2
complete stabilization of all
internal references
I_CC
I_CC(stb)
PSRR
supply current
−
standby supply current
STDBY = 1; V_PLL2 < 1 V; −
3.5 V < V_CC < 16 V
power supply rejection ratio of f = 1 kHz
50
internal supply voltage
V_CC(blank)
supply voltage level for
activation of continuous
blanking
V_CC decreasing from 12 V 8.2
V_{CC(blank)(min)}
minimum supply voltage level
for function of continuous
blanking
V_CC decreasing from 12 V 2.5
V_on(VCC)
supply voltage level for
activation of HDRV, BDRV,
VOUT1, VOUT2 and
HUNLOCK
V_CC increasing from below 7.9
typical 8.1 V
V_off(VCC)
supply voltage level for
V_CC decreasing from
7.7
deactivation of BDRV, VOUT1, above typical 8.3 V
VOUT2 and HUNLOCK; also
sets register SOFTST
TYP.
−
−
−
−
−
−
250
500
1.0
6.0
1.3
−
−
70
9
−
8.6
3.5
8.3
8.1
MAX. UNIT
5
V
5
V
−2
µA
−
mA
3
µA
300 mV
−
ns
−
ns
1.15 V
7.5
mA
1.4
V
−
nF
16
V
−
mA
−
mA
−
dB
9.0
V
4.0
V
8.7
V
8.5
V
1999 Oct 25
25