MAX8753ETI-T Maxim Integrated, MAX8753ETI-T Datasheet - Page 3

• Manufacturer Part Number: MAX8753ETI-T
• Description: LCD Drivers
• Manufacturer: Maxim Integrated

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
0°C to +85°C. Typical values are at T
LX Current Limit
Soft-Start Period
POSITIVE CHARGE PUMP
V
V
OUTP Operating Range
Operating Frequency
FBP Regulation Voltage
FBP Line Regulation
FBP Input Bias Current
Soft-Start Period
C1N, C2N High-Side On-
Resistance
C1N, C2N Low-Side On-
Resistance
C1P Switch On-Resistance
C2P Switch On-Resistance
OUTP Switch On-Resistance
NEGATIVE CHARGE PUMP
V
Operating Frequency
FBN Regulation Voltage
FBN Line Regulation
FBN Input Bias Current
Soft-Start Period
C3P High-Side On-Resistance
C3P Low-Side On-Resistance
SUPP
SUPP
SUPN
Input Supply Range
Overvoltage Threshold
Input Supply Range
PARAMETER
_______________________________________________________________________________________
IN
= 3.0V, SHDN = LCDON = IN, V
A
SYMBOL
I
= +25°C, unless otherwise noted.)
LX(MAX)
V
V
V
V
V
V
I
I
SUPP
SUPN
t
FBP
FBN
FBP
SSP
FBN
SSN
SS
TFT LCD DC-DC Converter with
Phase I = soft-start (1.0ms)
Phase II = soft-start (1.0ms)
Phase III = soft-start (1.0ms)
Phase IV = fully on (> 3.0ms)
Power-up to the end of phase III
V
V
5mA
V
I
I
I
I
I
V
5mA
V
I
I
SOURCE
SINK
SOURCE
SOURCE
SOURCE
SINK
SINK
SUPP
SUPP
FBP
SUPN
FBN
= 1.5V
= 50mA
= 50mA
= 50mA
= -0.05V
= rising, hysteresis (typ) = 200mV
= 8V to 12V, V
SUPP
= 8V to 24V, V
= 50mA
= 50mA
= 50mA
= 50mA
Integrated Charge Pumps
= V
CONDITIONS
SUPN
OUTP
OUTN
= 10V, PGND = GND, C REF = 0.22µF, C
= 20V, I
= -10V, I
OUTP
OUTN
=
=
V
1.213
1.08
13.2
MIN
213
SUPP
-50
-50
7
7
0.25 x
3072 /
1024 /
0.25 x
1024 /
1.250
f
f
f
f
TYP
0.38
0.75
1.13
1.45
13.6
fosc
250
OSC
OSC
OSC
OSC
10
10
INTG
1.287
MAX
1.80
14.0
+50
+50
287
13
28
15
24
15
10
5
8
8
8
= 470pF, T
UNITS
mV
mV
mV
Hz
nA
Hz
nA
Ω
Ω
Ω
Ω
Ω
Ω
Ω
A
V
V
V
V
V
s
s
s
A
3
=