Datasheet
MAX17103/AUO-P1721.14
DC-DC Converter with Integrated Scan Driver,
VGL Controller, Op Amp, and LDO for TFT LCD
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PARAMETER CONDITIONS MIN TYP MAX UNITS
LX On-Resistance I
LX
= 1A 0.200 0.500
LX Leakage Current V
LX
= 13.5V, T
A
= +25°C 10 20 μA
Current-Sense Transresistance 0.10 0.20 0.30 V/A
Soft-Start Pullup Current 2 4 6 μA
GATE-OFF LINEAR REGULATOR CONTROLLER
FBN Fault Trip Level V
FBN
rising 370 420 470 mV
FBN Regulation Voltage I
DRVN
= 100μA -20 +20 mV
FBN Line-Regulation Error V
IN
= 2.5V to 5.5V, I
DRVN
= 100μA -6 0 +6 mV
FBN Input Bias Current V
FBN
= 0, T
A
= +25°C -200 +200 nA
FBN Effective Load Regulation Error
(Transconductance)
V
DRVN
= -10V, I
DRVN
= 50μA to 1mA 11 25 mV
DRVN Source Current V
FBN
= 300mV, V
DRVN
= -10V 1 4 10 mA
DRVN Off-Leakage Current V
FBN
= 0, V
DRVN
= -15V, T
A
= +25°C 10 20 μA
Startup Delay from V
FB
= 90% 32 ms
Soft-Start Period 3 ms
GD SWITCH CONTROL
GD Pulldown Resistor UVLO or RST asserted 100
GD Pullup Resistor UVLO and RST unasserted 100
GD Low Voltage Level UVLO or RST asserted, V
GHON
> 11V
V
GHON
- 12
V
GHON
- 11
V
GHON
- 8
V
GD High Voltage Level UVLO and RST unasserted, V
GHON
> 8V V
GHON
V
VCOM BUFFER
Supply Voltage (V
OPAS
) 6 15 V
Input Bias Current V
POS
= V
OPAS
/2, T
A
= +25°C -50 +50 nA
OPAS Supply Current V
POS
= V
OPAS
/2, no load 3 5 mA
I
OUT
= 100μA
V
OPAS
- 20
V
OPAS
- 5
mV
Output-Voltage Swing High
I
OUT
= 75mA
V
OPAS
- 1.5
V
OPAS
- 1.3
V
I
OUT
= 100μA 2 20 mV
Output-Voltage Swing Low
I
OUT
= 75mA 1.5 1.8 V
Slew Rate 5V pulse at POS; both rising and falling edges 12 50 V/μs
-3dB Bandwidth R
L
= 10k, C
L
= 10pF 12 MHz
Short-Circuit Current Short to V
OPAS
/2, sourcing and sinking 115 200 mA
Input Offset Voltage -15 +15 mV
Gain-Bandwidth Product 8 MHz
VOLTAGE DETECTOR
Minimum V
IN
Operating Voltage 1.6 5.5 V
VDET Input Bias Current T
A
= +25°C, VDET = 1.3V -1 +1 μA
VDET Threshold VDET falling, hysteresis = 50mV 1.078 1.1 1.122 V
Adjustable Delay Time Coefficient (K) T = 120k 80 120 160 k
RST Sink Current V
RST
= 0.4V 1 8 mA
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +3V, Circuit of Figure 1, V
OPAS
= +8.5V, T
A
= 0°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.)