Datasheet
MAX17103/AUO-P1721.14
DC-DC Converter with Integrated Scan Driver,
VGL Controller, Op Amp, and LDO for TFT LCD
4 _______________________________________________________________________________________
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.)
PARAMETER CONDITIONS MIN TYP MAX UNITS
LEVEL SHIFTERS
GHON-to-VGL Voltage Range V
GHON
- V
VGL
40 V
GHON Input-Voltage Range 12 35 V
VGL Input-Voltage Range -15 -3 V
GHON Supply Current V
GHON
= 23V, CK, XCK, ST are low 1 2.1 mA
VGL Supply Current V
VGL
= -6V, CK, XCK, ST are low 1 2 mA
CKH, XCKH, STH Output-Voltage
Low
I
OUT
= 10mA (5 typ)
V
VGL
+ 0.05
V
VGL
+ 0.25
V
CKH, XCKH, STH Output-Voltage
High
I
OUT
= 10mA (20 typ)
V
GHON
- 0.5
V
GHON
- 0.2
V
C
LOAD
= 5nF, CS = high, V
GHON
= 25V, V
VGL
= -15V,
T
A
= +25°C
0.75 0.25
CKH, XCKH, STH Rise Time
T
A
= 0°C to +85°C 2
μs
CKH, XCKH, STH Fall Time C
LOAD
= 5nF, CS = high, V
GHON
= 25V, V
VGL
= -15V 0.5 1 μs
CK-to-CKH, XCK-to-XCKH, ST-to-STH,
Rising Edge Propagation Delay
C
LOAD
= 100pF 60 ns
CK-to -CKH, XCK-to-XCKH, ST to STH,
Falling Edge Propagation Delay
C
LOAD
= 100pF 60 ns
CKH, XCKH Maximum Operating
Frequency
100 kHz
VGLC Output-Voltage Low I
OUT
= 10mA
V
VGL
+ 0.07
V
VGL
+ 0.25
V
VGLC Output-Voltage High I
OUT
= 10mA
V
GHON
- 0.5
V
GHON
- 0.2
V
CHARGE-SHARING FUNCTION
QS-to-CKH On-Resistance
V
GHON
= 24V, V
VGL
= -6V; V
CKH
= V
XCKH
= 10V,
CS = low
200 400
CS-to-CKH/QS Propagation Delay 100 ns
GHON - QS Switch Leakage Current CS = low, T
A
= +25°C 1 mA
LOW-DROPOUT LINEAR REGULATOR
Dropout Voltage V
IN
= 3.3V, V
LDOADJ
= 1.1V, I
OUT
= 0.35A 300 500 mV
LDOADJ Feedback Voltage 1.227 1.24 1.252 V
Current Limit V
IN
= 3.3V, V
LDOADJ
= 1.0V 0.4 0.55 0.7 A
LDOADJ Line Regulation V
IN
= 2.8V to 5.5V, I
OUT
= 100mA; V
LDOO
= 2.5V 0.1 0.3 %/V
LDOADJ Load Regulation I
OUT
= 1mA to 300mA, V
LDOO
= 2.5V 0.2 0.5 %/V
LDOADJ Input Bias Current V
LDOADJ
= 1.3V, T
A
= +25°C 100 200 nA
DIGITAL INPUTS
ENA, CS, CK, XCK, ST Input High
1.5 V
ENA, CS, CK, XCK, ST Input Low
0.6 V
CS, ST, CK, XCK Input Current CK, XCK, ST = V
IN
, T
A
= +25°C -1 +1 μA