MAX1513 Datasheet, PDF (3/28 Pages) Maxim Integrated Products – TFT-LCD Power-Supply Controllers

TFT-LCD Power-Supply Controllers
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
DRVP Sink Current
DRVP Off-Leakage Current
DEL Charge Current
DEL Turn-On Threshold
I_DRVP
V_TH(DEL)
I_DRVP = 50µA, 2.7V < V_IN < 5.5V
V_FBP = 1.1V, V_DRVP = 10V
V_FBP = 1.5V, V_DRVP = 28V
During startup, V_DEL = 1.0V
8
mV
1
mA
0.15
10
µA
4
5
6
µA
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
Soft-Start Step Size
GAMMA LINEAR-REGULATOR CONTROLLER (REG G, MAX1513 ONLY)
FBG Regulation Voltage
V_FBG I_DRVG = 0.35mA
FBG to FB Regulation Voltage
Matching
I_DRVG = 0.5mA, V_CS+ - V_CS- = 0
2.7
ms
V_REF / 128
V
1.235 1.250 1.265
V
-1.2
+1.2
%
FBG Fault Trip Level
FBG Input Bias Current
FBG Effective Load-Regulation
Error (Transconductance)
V_FBG falling
V_FBG = 1.5V
V_DRVG = 10V, I_DRVG = 0.175mA to 3.5mA
0.96
1.00
1.04
V
-250
+250
nA
-1.5
-2
%
FBG Line (IN)-Regulation Error
I_DRVG = 0.5mA, 2.7V < V_IN < 5.5V
DRVG Sink Current
I_DRVG V_FBG = 1.1V, V_DRVG = 10V
DRVG Off-Leakage Current
V_FBG = 1.5V, V_DRVG = 28V
Soft-Start Period
t_SS
Soft-Start Step Size
LOGIC LINEAR-REGULATOR CONTROLLER (REG L)
5
mV
5
mA
0.15
10
µA
2.7
ms
V_REF / 128
V
FBL Regulation Voltage
FBL Fault Trip Level
FBL Input Bias Current
V_FBL
I_DRVL = 0.8mA
V_FBL falling
V_FBL = 1.5V
1.225 1.250 1.275
V
0.96
1.00
1.04
V
-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
DRVL Sink Current
DRVL Off-Leakage Current
Soft-Start Period
Soft-Start Step Size
I_DRVL = 1mA, 2.7V < V_IN < 5.5V
I_FBL V_FBL = 1.1V, V_DRVL = V_IN
V_FBL = 1.5V, V_DRVL = 28V
t_SS
8
mV
15
20
mA
0.15
10
µA
2.7
ms
V_REF / 128
V
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