MAX1664CUP datasheet(3/16 Pages) MAXIM

Part #	MAX1664CUP

Description	Active-Matrix Liquid Crystal Display AMLCD Supply

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Manufacturer	MAXIM [Maxim Integrated Products]

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Active-Matrix Liquid Crystal Display

(AMLCD) Supply

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VIN = VINP = 3.3V, SHDN = IN, VBPVDD = 4V, VBPVSS = -1V, PGND1 = PGND2 = FPLL = GND, fBPCLK = 30kHz, TA = 0°C to +70°C,

unless otherwise noted. Typical values are at TA = +25°C.)

VBPCLK = 0 or 3.3V

SHDN = GND

Source and sink

Rising edge, 40mV hysteresis

SHDN = GND

Falling edge, 40mV hysteresis

VLX2N = 28V, VLX2P = -10V

VFB2+ = 1.3V, VFB2- = -0.1V

CONDITIONS

µA

0.01

1

IIN(BPCLK)

BPCLK Input Current

V

0.7 x VIN

VIH(BPCLK)

BPCLK Input High Voltage

V

0.3 x VIN

VIL(BPCLK)

BPCLK Input Low Voltage

µA

80

200

IIN(BPVDD)

BPVDD Supply Current

µA

-10

10

ILKG(BPDRV)

BPDRV Leakage Current

Ω

0.35

0.7

RON(BPDRV)

BPDRV On-Resistance

µA

0.1

10

ISHDN(BP)

BPVDD Shutdown Current

V

2.5

5.5

VVDD to VSS

BPVDD to BPVSS Voltage

Range

V

-3

0

VBPVSS

BPVSS Supply Range

V

2.5

5.5

VBPVDD

BPVDD Supply Range

mV

-15

0

15

VFB2-

V

1.225

1.25

1.275

VFB2+

FB2+ Regulation Voltage

FB2- Regulation Voltage

V

1.091

1.125

1.159

VTH(RDY)

FB2+ Power-Ready Trip Level

mV

85

120

165

VTH(RDY)

FB2- Power-Ready Trip Level

µA

0.05

10

ILKG(LX2N),

ILKG(LX2P)

LX2N, LX2P Leakage Current

nA

-100

100

IFB2+,

IFB2-

FB2+, FB2- Input Bias Current

Ω

0.9

1.7

RON(LX2N),

RON(LX2P)

LX2N, LX2P On-Resistance

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

CPLLC = 22nF

RPLLC = 100kΩ

CSHUNT = 2.2nF

PLLC = REF, BPCLK = GND

40

72

BPCLK Input Frequency

Range

27

48

kHz

20

36

fBPCLK

MHz

1.63

1.92

2.20

fC

VCO Center Frequency

(Note 1)

-2µA < IREF < 50µA

V

0.90

1.05

1.20

VREF(UVLO)

Undervoltage Lockout

V

1.225

1.250

1.275

VREF

Reference Voltage

(0.10 x VIN) typical hysteresis

V

0.3 x VIN

VIL(SHDN)

SHDN Input Low Voltage

FPLL = GND or IN

µA

0.01

1

IIN(FPLL)

FPLL Input Current

µA

0.01

1

IIN(SHDN)

SHDN Input Current

V

0.7 x VIN

VIH(SHDN)

SHDN Input High Voltage

ISINK = 2mA

V

0.05

0.4

VOL(RDY)

RDY Output Low Voltage

VRDY = 5.5V

µA

0.01

1

ILKG(RDYOH)

RDY Output High Leakage

FPLL = GND

FPLL = REF

FPLL = IN

Note 1: DC-DC 1 operates at one-half of the VCO frequency (fC / 2).

BACKPLANE DRIVER

PLL

LOGIC SIGNALS

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