ADM8845 データシートの表示（PDF） - Analog Devices

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ADM8845

Charge Pump Driver for LCD White LED Backlights

Analog Devices 

ADM8845

ABSOLUTE MAXIMUM RATINGS

TA = 25°C, unless otherwise noted.

Table 2.

Parameter

Supply Voltage, VCC

ISET

CTRL1, CTRL2

VOUT Shorted1

Feedback pins FB1 to FB6

Operating Temperature Range

Six LEDs Enabled with 30 mA/LED2

Six LEDs Enabled with 20 mA/LED2

VOUT3

Storage Temperature Range

Power Dissipation

ESD Class

Rating

–0.3 V to +6.0 V

–0.3 V to +2.0 V

–0.3 V to +6.0 V

Indefinite

–0.3 V to +6.0 V

–40°C to +65°C

–40°C to +85°C

180 mA

–65°C to +125°C

2 mW

1

1 Short through LED.

2 LED current should be derated above TA > 65°C, refer to Figure 21.

3 Based on long-term current density limitations.

Stresses above those listed under Absolute Maximum Ratings

may cause permanent damage to the device. This is a stress

rating only; functional operation of the device at these or any

other conditions above those indicated in the operational

section of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect

device reliability.

THERMAL CHARACTERISTICS

16-Lead LFCSP Package:

θJA = 50°C/W

ESD CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on

the human body and test equipment and can discharge without detection. Although this product features

proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy

electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance

degradation or loss of functionality.

Rev. 0 | Page 4 of 20

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