Datasheet

Multi-Output Power Supplies with VCOM Amplifier
and High-Voltage Gamma Reference for LCD TVs
MAX17126/MAX17126A
______________________________________________________________________________________ 13
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
POSITIVE CHARGE-PUMP REGULATOR
NORMALIZED LINE REGULATION
MAX17126 toc14
SUPP VOLTAGE (V)
V
GON
ERROR (%)
17161514131211
-10
-8
-6
-4
-2
0
2
-12
10 18
I
GON
= 0A
I
GON
= 25mA
POSITIVE CHARGE-PUMP REGULATOR
NORMALIZED LOAD REGULATION
MAX17126 toc15
LOAD CURRENT (mA)
OUTPUT CURRENT ERROR (%)
10050
-1.5
-1.0
-0.5
0
0.5
-2.0
0 150
POSITIVE CHARGE-PUMP REGULATOR
LOAD-TRANSIENT RESPONSE
MAX17126 toc16
0V
0A
I
LOAD
20mA/div
40Fs/div
V
GON
(AC-COUPLED)
200mV/div
60mA
10mA
NEGATIVE CHARGE-PUMP REGULATOR
NORMALIZED LINE REGULATION
MAX17126 toc17
SUPN VOLTAGE (V)
V
GOFF
ERROR (%)
1514131211109
-0.03
-0.02
-0.01
0
0.01
-0.04
8 16
I
GON
= 25mA
I
GON
= 0mA
NEGATIVE CHARGE-PUMP REGULATOR
NORMALIZED LOAD REGULATION
MAX17126 toc17
LOAD CURRENT (mA)
OUTPUT VOLTAGE ERROR (%)
25020015010050
-1.0
-0.8
-0.6
-0.4
-0.2
0
0.2
-1.2
0 300
NEGATIVE CHARGE-PUMP REGULATOR
LOAD TRANSIENT RESPONSE
MAX17126 toc19
0V
0A
I
LOAD
20mA/div
20Fs/div
V
GOFF
(AC-COUPLED)
200mV/div
60mA
10mA