MAX1513 Datasheet, PDF (4/28 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
GATE-OFF LINEAR-REGULATOR CONTROLLER (REG N)
FBN Regulation Voltage
FBN Fault Trip Level
FBN Input Bias Current
V_FBN
I_DRVN = 0.2mA
V_FBN rising
V_FBN = 0V
FBN Effective Load-Regulation
Error (Transconductance)
V_DRVN = -10V, I_DRVN = 0.1mA to 2mA
FBN Line (IN)-Regulation Error
DRVN Source Current
DRVN Off-Leakage Current
Soft-Start Period
Soft-Start Step Size
BUFFER AMPLIFIER
I_FBN
t_SS
I_DRVN = 0.2mA, 2.7V < V_IN < 5.5V
V_FBN = 0.3V, V_DRVN = -10V
V_FBN = -0.1V, V_DRVN = -20V
SUPB Supply Range
SUPB Supply Current
FBPB Input Offset Voltage
FBPB Input Bias Current
V_SUPB
I_SUPB
V_OS
I_BIAS
No load, V_FBPB = 4V
V_FBPB = V_SUPB / 2
V_FBPB = V_SUPB / 2
FBPB Input Common-Mode
Range
V_CM
Common-Mode Rejection Ratio CMRR 0 < V_FBPB < V_SUPB
Output-Voltage-Swing High
V_OH
I_OUTB = 5mA
Output-Voltage-Swing Low
V_OL
Short-Circuit Current
Power-Supply Rejection Ratio
PSRR
Slew Rate
-3dB Bandwidth
CONTROL INPUTS AND OUTPUTS
SDFR Input Level
SDFR Input Current
I_OUTB = -5mA
DC, 6V ≤ V_SUPB ≤ 13V, V_FBPB = 4V
R_L = 10kΩ, C_L = 10pF
SDFR = IN (1.5MHz operation)
SDFR = unconnected (430kHz operation)
SDFR = REF (750kHz operation)
SDFR = GND (LCD shutdown)
SDFR = IN
SDFR = REF
SDFR = GND
MIN
TYP MAX UNITS
220
250
280
mV
380
420
460
mV
-250
+250
nA
18
25
mV
5
mV
5
mA
0.1
10
µA
2.7
ms
V_REF / 128
V
4.5
13.0
0.75
1.1
0
12
50
0
V_SUPB
50
V_SUPB - V_SUPB -
150
80
80
150
±50
±150
60
80
10
12
V
mA
mV
nA
V
dB
mV
mV
mA
dB
V/µs
MHz
0.9 × V_IN
0.69 × V_IN
1.00
-3.0
-3.0
0.77 × V_IN
V
1.35
0.5
+3.0
µA
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