MAP3222 Datasheet, PDF (6/15 Pages) MagnaChip Semiconductor. – Dual Channel High Brightness LED Driver

Confidential
Datasheet Version 1.0
Electrical Characteristics (Continued)
VCC=12V, VPDIMI=5V, CGATE=CPDIMO=1nF, Ta=25℃, unless otherwise specified
SYMBOL
PARAMETER
Internal Transconductance Opamp (CH1, CH2)
VOFFSET
Input Offset voltage
I_AMP_SOURCE AMP Source Current
I_AMP_SINK
AMP Sink Current
Dimming PWM Input (CH1, CH2)
VPDIMI(LO)
PDIMI input Low voltage
VPDIMI(HI)
PDIMI input High voltage
RPDIMI
PDIMI pull-down resistance
Dimming PWM Output (CH1, CH2)
TRISE,PDIMO
PDIMO Output rise time
TFALL,PDIMO
PDIMO Output fall time
Auto Restart Protection ( OVP & SCP )
TAR
Auto Restart Time
Over Voltage Protection (OVP)
TEST CONDITION
MIN
-
-5
VISEN=1V, VADIM=2V, COMP=1.5V
-
VISEN=2V, VADIM=1V, COMP=1.5V
-
-
-
-
2.0
V PDIMI =5V
50
1nF capacitance at PDIMO
-
1nF capacitance at PDIMO
-
-
-
VOVP
Over voltage protection
VOVPH
Over voltage protection hysteresis
TOVP
OVP Filtering time(2)
Short current protection ( SCP )
VTH,SCP
SCP Comparator threshold voltage
VSCP
SCP Comparator input range
TOFF
Propagation time for short current
detection (2)
PGOOD Impedance
RUP
Pull-up Resistance
RDOWN
Pull-Down Resistance
2.9
-
-
-
VADIM = 1V ( VTH,SCP =VADIM * 4)
3.6
-
1.4
VADIM=1V, VISEN=3 to 5V step
VPDIMO goes from high to low
-
-
PGOOD = 3.3V
-
TYP MAX UNIT
-
5
mV
-100
-
uA
100
-
uA
-
0.8
V
-
-
V
100
150
㏀
-
300
ns
-
200
ns
1
-
msec
3.0
3.1
V
0.3
-
V
200
-
ns
4
4.4
V
-
5.0
V
-
250
ns
9
-
㏀
1.5
-
㏀
March 2011.
Page 6