MAX1518 Maxim Integrated Products, MAX1518 Datasheet - Page 9

• Manufacturer Part Number: MAX1518
• Description: (MAX1516 - MAX1518) TFT-LCD DC-DC Converters
• Manufacturer: Maxim Integrated Products

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4
(Circuit of Figure 1. V
unless otherwise noted.)
A: V
B: V
C: V
D: V
A: OUTPUT VOLTAGE, 1V/div, AC-COUPLED
B: OUTPUT CURRENT, 50mA/div
MAIN
SRC
GOFF
GON
LOAD-TRANSIENT RESPONSE
, 20V/div
, 20V/div
OPERATIONAL-AMPLIFIER
, 10V/div
, 10V/div
POWER-UP SEQUENCE
400ns/div
4ms/div
IN
_______________________________________________________________________________________
= 5V, V
MAX1516 toc12
MAX1516 toc15
MAIN
= 13V, V
0V
0V
0V
0V
0V
+50mA
-50mA
0
A
B
C
D
A
B
TFT-LCD DC-DC Converters with
GON
Typical Operating Characteristics (continued)
= 24V, V
6
5
4
3
2
1
0
4.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
A: INPUT SIGNAL, 2V/div
B: OUTPUT SIGNAL, 2V/div
MAX1518 OPERATIONAL-AMPLIFIER
LARGE-SIGNAL STEP RESPONSE
6.0
GOFF
OPERATIONAL-AMPLIFIER
SUPPLY VOLTAGE (V)
6.5
= -8V, V
NO-LOAD
BUFFER CONFIGURATION
V
1µs/div
POS1
7.0
Operational Amplifiers
TO V
OUT1
7.5
POS5
= V
= V
V
SUP
8.0
MAX1516 toc16
SUP
OUT2
= 6V
/ 2
8.5
= V
0V
0V
A
B
OUT3
A: INPUT SIGNAL, 2V/div
B: OUTPUT SIGNAL, 2V/div
A: INPUT SIGNAL, 100mV/div
B: OUTPUT SIGNAL, 100mV/div
= V
V
SUP
SMALL-SIGNAL STEP RESPONSE
OUT4
RAIL-TO-RAIL INPUT/OUTPUT
= 6V
OPERATIONAL-AMPLIFIER
OPERATIONAL-AMPLIFIER
= V
OUT5
400ns/div
40µs/div
= 6.5V, T
MAX1516 toc14
MAX1516 toc17
A
= +25°C
0V
0V
0V
0V
A
B
A
B
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