Typical operating characteristics (continued) – Rainbow Electronics MAX9552 User Manual
Page 4
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)
20
15
10
0.5
1.0
1.5
2.0
2.5
3.0
0
5
25
T
A
= +85°C
T
A
= -40°C
T
A
= +25°C
SUPPLY CURRENT
vs. TEMPERATURE
MAX9550 toc05
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
75
50
-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
2µs/div
I
OUT
500mA/div
V
OUT
50mV/div
AC-COUPLED
R
S
= 2.2Ω, C
L
= 1µF, C
S
= 0.1µF
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.)