MAX9550_07 Datasheet, PDF (4/12 Pages) Maxim Integrated Products – High-Current VCOM Drive Buffers for TFT LCDs

High-Current VCOM Drive Buffers
for TFT LCDs
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.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
3.0
TA = +85°C
2.5
TA = +25°C
2.0
1.5
1.0
TA = -40°C
0.5
0
5
10
15
20
25
SUPPLY VOLTAGE (V)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-50
SUPPLY CURRENT
vs. TEMPERATURE
-25 0 25 50 75
TEMPERATURE (°C)
LOAD TRANSIENT (±600mA)
RS = 2.2Ω, CL = 1µF, CS = 0.1µF
IOUT
500mA/div
VOUT
50mV/div
AC-COUPLED
100
2µs/div
SHORT-CIRCUIT WAVEFORMS
I_CC
200mA/div
I_OUT
200mA/div
V_OUT
5V/div
V_CC
5V/div
5ms/div
I_OUT
200mA/div
V_CC
10V/div
IN+
5V/div
V_OUT
5V/div
STARTUP WAVEFORM
20µs/div
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