MAX686 Maxim, MAX686 Datasheet - Page 6

• Manufacturer Part Number: MAX686
• Description: DAC-Controlled Boost/Inverter LCD Bias Supply with Internal Switch
• Manufacturer: Maxim

DAC-Controlled Boost/Inverter
LCD Bias Supply with Internal Switch
(Circuits of Figures 1 and 2, V
6
_____________________________Typical Operating Characteristics (continued)
AC-COUPLED
_______________________________________________________________________________________
AC-COUPLED
20mV/div
50mV/div
2V/div
5V/div
SHDN
V
V
I
V
OUT
OUT
OUT
OUT
V
V
CC
OUT
= V
LOAD-TRANSIENT RESPONSE
LINE-TRANSIENT RESPONSE
(POSITIVE CONFIGURATION)
= 24V
DD
POWER-UP RESPONSE
=V
IN
(ISET = GND)
(ISET = V
500 s/div
2ms/div
5ms/div
CC
= V
CC
DD
)
= V
I
R
SET
MAX686 TOC13A
L
MAX686 TOC11
MAX686 TOC10
= 4.7k
= V
IN
CC
= +5V, L1 = 22µH, SHDN = V
5V
3V
5mA
100 A
18.7V
5V
AC-COUPLED
AC-COUPLED
50mV/div
50mV/div
CC
2V/div
5V/div
SHDN
V
V
V
, C
I
OUT
OUT
OUT
OUT
REF
= 0.1µF, T A = +25°C, unless otherwise noted.)
V
I
V
V
LOAD
OUT
CC
OUT
LOAD-TRANSIENT RESPONSE
LINE-TRANSIENT RESPONSE
= V
(POSITIVE CONFIGURATION)
= 24V
= 5mA
= 24V
POWER-DOWN RESPONSE
DD
= V
(ISET = GND)
IN
(ISET = V
5ms/div
2ms/div
5ms/div
CC
)
I
R
MAX686 TOC10A
SET
MAX686 TOC13B
L
MAX686 TOC12
= 4.7k
= V
CC
5V
3V
5mA
100 A
18.7V
5V