ISL97649BIRZ Просмотр технического описания (PDF) - Intersil

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ISL97649BIRZ

TFT-LCD Supply + DCP + VCOM Amplifier + Gate Pulse Modulator + RESET

Intersil 

ISL97649B

Absolute Maximum Ratings

RE, VGHM, GPM_LO, and VGH to GND . . . . . . . . . . . . . . . . . . . -0.3 to +36V

LX, AVDD, POS, OUT to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +18V

Voltage Between GND and PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.5V

All Other Pins to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0V

ESD Rating

Human Body Model (Tested per JESD22-A114E) . . . . . . . . . . . . . . . . 2kV

Machine Model (Tested per JESD22-A115-A) . . . . . . . . . . . . . . . . 200V

Charged Device Model (Tested per JESD22-C101). . . . . . . . . . . . . . . 1kV

Thermal Information

Thermal Resistance

θJA (°C/W) θJC (°C/W)

4 x 5 QFN Package (Notes 4, 5) . . . . . . . . .

38

4.5

Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C

Functional Junction Temperature . . . . . . . . . . . . . . . . . . . .-40°C to +150°C

Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C

Lead Temperature during Soldering. . . . . . . . . . . . . . . . . . . . . . . . . +260°C

Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

Recommended Operating Conditions

Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5V to 5.5V

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product

reliability and result in failures not covered by warranty.

NOTES:

4. θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech

Brief TB379.

5. For θJC, the “case temp” location is the center of the exposed metal pad on the package underside.

Electrical Specifications VIN = ENABLE = 3.3V, AVDD = 8V, VON = 24V, VOFF = -6V. Boldface limits apply over the operating

temperature range, -40°C to +85°C.

SYMBOL

PARAMETER

TEST CONDITIONS

MIN

(Note 6)

TYP

(Note 7)

MAX

(Note 6)

UNITS

GENERAL

VIN

VIN Supply Voltage Range

2.5

3.3

5.5

V

IS_DIS VIN Supply Currents when Disabled

VIN<UVLO

390

500

µA

IS

VIN Supply Currents

ENABLE = 3.3V, overdrive AVDD and

VGH

0.7

1.0

mA

IENABLE ENABLE Pin Current

ENABLE = 0V

LOGIC INPUT CHARACTERISTICS - ENABLE, FLK, SCL, SDA, FREQ

0

µA

VIL

Low Voltage Threshold

VIH

High Voltage Threshold

RIL

Pull-Down Resistor

INTERNAL OSCILLATOR

Enable, FLK, FREQ

0.65

V

1.75

V

0.85

1.25

1.65

MΩ

FOSC

Switching Frequencies

AVDD BOOST REGULATOR

FREQ = low, TA = 25°C

FREQ = high, TA = 25°C

550

600

650

kHz

1100

1200

1300

kHz

ΔAVDD/

ΔIOUT

AVDD Load Regulation

50mA < ILOAD < 250mA

0.2

%

ΔAVDD/ AVDD Line Regulation

ILOAD = 150mA, 2.5V < VIN < 5.5V

0.15

%

ΔVIN

VFB

IFB

rDS(ON)

ILIM

DMAX

EFF

Feedback Voltage (VFB)

FB Input Bias Current

Switch ON-resistance

Switch Current Limit

Max Duty Cycle

ILOAD = 100mA, TA = +25°C

TA = +25°C

Freq = 1.2MHz

Freq = 1.2MHz, IAVDD = 100mA

0.792

0.8

0.808

V

100

nA

180

230

mΩ

1.125

1.5

1.875

A

80

90

%

91

%

4

FN7927.0

December 5, 2011

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