Owner manual

MAX9550/MAX9551/MAX9552
High-Current VCOM Drive Buffers
for TFT LCDs
4 _______________________________________________________________________________________
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9550 toc04
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
201510
0.5
1.0
1.5
2.0
2.5
3.0
0
525
T
A
= +85
°
C
T
A
= -40
°
C
T
A
= +25
°
C
SUPPLY CURRENT
vs. TEMPERATURE
MAX9550 toc05
TEMPERATURE (
°
C)
SUPPLY CURRENT (mA)
7550-25 0 25
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
-50 100
LOAD TRANSIENT (±600mA)
MAX9550 toc06
2
µ
s/div
I
OUT
500mA/div
V
OUT
50mV/div
AC-COUPLED
R
S
= 2.2
Ω
, C
L
= 1
µ
F, C
S
= 0.1
µ
F
SHORT-CIRCUIT WAVEFORMS
MAX9550 toc07
5ms/div
V
CC
5V/div
V
OUT
5V/div
I
OUT
200mA/div
I
CC
200mA/div
STARTUP WAVEFORM
MAX9550 toc08
20µs/div
V
OUT
5V/div
IN
+
5V/div
V
CC
10V/div
I
OUT
200mA/div
Typical Operating Characteristics (continued)
(V
DD
= 16V, GND = 0V, V
CM
= V
OUT
= V
DD
/ 2, C
L
= 1µF, T
A
= +25°C, unless otherwise noted.)