AUO-P1721.14 Ver la hoja de datos (PDF) - Maxim Integrated

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AUO-P1721.14

DC-DC Converter with Integrated Scan Driver, VGL Controller, Op Amp, and LDO for TFT LCD

Maxim Integrated 

DC-DC Converter with Integrated Scan Driver,

VGL Controller, Op Amp, and LDO for TFT LCD

ELECTRICAL CHARACTERISTICS (continued)

(VIN = +3V, Circuit of Figure 1, VOPAS = +8.5V, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

CONDITIONS

LEVEL SHIFTERS

GHON-to-VGL Voltage Range

GHON Input-Voltage Range

VGL Input-Voltage Range

GHON Supply Current

VGL Supply Current

CKH, XCKH, STH Output-Voltage

Low

VGHON - VVGL

VGHON = 23V, CK, XCK, ST are low

VVGL = -6V, CK, XCK, ST are low

IOUT = 10mA (5
typ)

CKH, XCKH, STH Output-Voltage

High

IOUT = 10mA (20
typ)

CKH, XCKH, STH Rise Time

CKH, XCKH, STH Fall Time

CK-to-CKH, XCK-to-XCKH, ST-to-STH,

Rising Edge Propagation Delay

CLOAD = 5nF, CS = high, VGHON = 25V, VVGL = -15V,

TA = +25°C

TA = 0°C to +85°C

CLOAD = 5nF, CS = high, VGHON = 25V, VVGL = -15V

CLOAD = 100pF

CK-to -CKH, XCK-to-XCKH, ST to STH,

Falling Edge Propagation Delay

CLOAD = 100pF

CKH, XCKH Maximum Operating

Frequency

VGLC Output-Voltage Low

IOUT = 10mA

VGLC Output-Voltage High

IOUT = 10mA

CHARGE-SHARING FUNCTION

QS-to-CKH On-Resistance

VGHON = 24V, VVGL = -6V; VCKH = VXCKH = 10V,

CS = low

CS-to-CKH/QS Propagation Delay

GHON - QS Switch Leakage Current CS = low, TA = +25°C

LOW-DROPOUT LINEAR REGULATOR

Dropout Voltage

LDOADJ Feedback Voltage

VIN = 3.3V, VLDOADJ = 1.1V, IOUT = 0.35A

Current Limit

LDOADJ Line Regulation

LDOADJ Load Regulation

LDOADJ Input Bias Current

DIGITAL INPUTS

ENA, CS, CK, XCK, ST Input High

VIN = 3.3V, VLDOADJ = 1.0V

VIN = 2.8V to 5.5V, IOUT = 100mA; VLDOO = 2.5V

IOUT = 1mA to 300mA, VLDOO = 2.5V

VLDOADJ = 1.3V, TA = +25°C

ENA, CS, CK, XCK, ST Input Low

CS, ST, CK, XCK Input Current

CK, XCK, ST = VIN, TA = +25°C

MIN TYP MAX

12

-15

VGHON

- 0.5

1

1

VVGL

+ 0.05

VGHON

- 0.2

40

35

-3

2.1

2

VVGL

+ 0.25

0.75 0.25

2

0.5

1

60

60

100

VGHON

- 0.5

VVGL

+ 0.07

VGHON

- 0.2

VVGL

+ 0.25

200

400

100

1

1.227

0.4

300

1.24

0.55

0.1

0.2

100

500

1.252

0.7

0.3

0.5

200

1.5

0.6

-1

+1

UNITS

V

V

V

mA

mA

V

V

μs

μs

ns

ns

kHz

V

V

ns

mA

mV

V

A

%/V

%/V

nA

V

V

μA

4 _______________________________________________________________________________________

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