Datasheet
MAX1513/MAX1514
TFT-LCD Power-Supply Controllers
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
IN
= 3V, V
SUPB
= 10V, SDFR = IN, C
REF
= 0.22µF, T
A
= 0°C to +85°C. Typical values are at T
A
= +25°C, unless
otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS MIN
TYP
MAX
UNITS
FBP Effective Load-Regulation
Error (Transconductance)
V
DRVP
= 10V, I
DRVP
= 25µA to 500µA -1.5 -2 %
FBP Line (IN)-Regulation Error I
DRVP
= 50µA, 2.7V < V
IN
< 5.5V 8 mV
DRVP Sink Current I
DRVP
V
FBP
= 1.1V, V
DRVP
= 10V 1 mA
DRVP Off-Leakage Current V
FBP
= 1.5V, V
DRVP
= 28V
0.15
10 µA
DEL Charge Current During startup, V
DEL
= 1.0V 4 5 6 µA
DEL Turn-On Threshold
V
TH
(
DEL
)
1.19
1.25
1.31 V
DEL Discharge Switch
On-Resistance
V
IN
= 3.0V, V
FB
= 0.8V 15 Ω
Soft-Start Period t
SS
2.7 ms
Soft-Start Step Size V
REF
/ 128 V
GAMMA LINEAR-REGULATOR CONTROLLER (REG G, MAX1513 ONLY)
FBG Regulation Voltage V
FBG
I
DRVG
= 0.35mA
1.235 1.250 1.265
V
FBG to FB Regulation Voltage
Matching
I
DRVG
= 0.5mA, V
CS+
- V
CS-
= 0 -1.2
+1.2
%
FBG Fault Trip Level V
FBG
falling
0.96
1.00
1.04 V
FBG Input Bias Current V
FBG
= 1.5V
-250
+250
nA
FBG Effective Load-Regulation
Error (Transconductance)
V
DRVG
= 10V, I
DRVG
= 0.175mA to 3.5mA -1.5 -2 %
FBG Line (IN)-Regulation Error I
DRVG
= 0.5mA, 2.7V < V
IN
< 5.5V 5 mV
DRVG Sink Current
I
DRVG
V
FBG
= 1.1V, V
DRVG
= 10V 5 mA
DRVG Off-Leakage Current V
FBG
= 1.5V, V
DRVG
= 28V
0.15
10 µA
Soft-Start Period t
SS
2.7 ms
Soft-Start Step Size V
REF
/ 128 V
LOGIC LINEAR-REGULATOR CONTROLLER (REG L)
FBL Regulation Voltage V
FBL
I
DRVL
= 0.8mA
1.225 1.250 1.275
V
FBL Fault Trip Level V
FBL
falling 0.96
1.00
1.04 V
FBL Input Bias Current V
FBL
= 1.5V
-250
+250
nA
FBL Effective Load-Regulation
Error (Transconductance)
V
DRVL
= 3V, I
DRVL
= 0.4mA to 8mA -1.5 -2 %
FBL Line (IN)-Regulation Error I
DRVL
= 1mA, 2.7V < V
IN
< 5.5V 8 mV
DRVL Sink Current I
FBL
V
FBL
= 1.1V, V
DRVL
= V
IN
15 20 mA
DRVL Off-Leakage Current V
FBL
= 1.5V, V
DRVL
= 28V
0.15
10 µA
Soft-Start Period t
SS
2.7 ms
Soft-Start Step Size V
REF
/ 128 V