MAX1997ETJ Maxim Integrated Products, MAX1997ETJ Datasheet - Page 3

• Manufacturer Part Number: MAX1997ETJ
• Description: LCD Drivers
• Manufacturer: Maxim Integrated Products

Specifications of MAX1997ETJ

• Dc: 0618
• Lead Free Status / Rohs Status: No

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
Typical values are at T
Quintuple/Triple-Output TFT LCD Power Supplies
Oscillator Maximum Duty Cycle
FB Regulation Voltage
FB Fault Trip Level
FB Load Regulation
FB Line Regulation
FB Input Bias Current
LX On-Resistance
LX Leakage Current
LX Current Limit
LX RMS Current Rating
Soft-Start Period
Soft-Start Step Size
POSITIVE LINEAR-REGULATOR CONTROLLERS (REG P, REG 1, AND REG 2)
FB_ Regulation Voltage
FB_ Fault Trip Level
FB_ Input Bias Current
FB_ Effective Load Regulation Error
(Transconductance)
FB_ Line (IN) Regulation Error
Bandwidth
DRVP Sink Current
DRV1 Sink Current (MAX1997 only)
DRV2 Sink Current (MAX1997 only)
DRV_ Leakage Current
Soft-Start Period
Soft-Start Step Size
NEGATIVE LINEAR-REGULATOR CONTROLLER (REG N)
FBN Regulation Voltage
FBN Fault Trip Level
FBN Input Bias Current
PARAMETER
_______________________________________________________________________________________
A
IN
= +25°C, unless otherwise noted.)
= 3V, V
with Fault Protection and VCOM Buffer
DDB
= 10V, SHDN = ONDC = FREQ = IN, C
I
V
V
V
V
(Note 2)
I
I
I
V
V
V
V
(MAX1997 only)
V
(MAX1997 only)
I
I
(MAX1997 only)
I
(MAX1997 only)
(Note 2)
V
V
I
V
V
LX
I
DRVP
DRV1
DRV2
DRVP
DRV1
DRV2
DRVN
MAIN
FB
IN
FB
LX
FB
FB
DRVP
DRV1
DRV2
FB
FB
FBN
FBN
= 200mA
_ falling
_ = 1.25V
_ = 1.1V, V
_ = 1.5V, V
= 2.7V to 5.5V
= 13V
falling
= 1.5V
rising
= 0V
= 1350µA (MAX1997 only)
= 335µA (MAX1997 only)
= 1350µA, 2.7V < V
= 335µA, 2.7V < V
= 100µA
= 100µA, 2.7V < V
= 100µA
= 0 to full load
= 10V, I
= 10V, I
= 10V, I
DRV
DRV
DRVP
DRV1
DRV2
CONDITIONS
_ = 10V
_ = 28V
= 0.5mA to 5mA
= 0.1mA to 2mA
= 0.05mA to 1mA
IN
IN
IN
< 5.5V
< 5.5V
< 5.5V
REF
= 0.22µF, PGND = GND, T
1.229
1.225
1000
-100
-250
-200
MIN
0.96
0.96
325
1.6
80
95
2
5
5
4096/f
4096/f
V
V
1.242
1.250
TYP
1.00
0.01
REF
1.00
REF
-1.6
250
-1.5
125
370
0.2
2.1
3.3
0.1
85
18
15
1
/32
/32
OSC
OSC
A
1.254
1.275
= 0°C to +85°C.
+100
+250
+200
MAX
1.04
1.04
450
155
475
0.4
2.8
1.4
90
20
10
-2
UNITS
%/V
kHz
mΩ
mA
mV
mV
mV
nA
µA
nA
µA
nA
%
%
%
A
A
V
V
V
V
V
V
s
s
3