LM2759 datasheet(3/14 Pages) NSC

3 / 14 page

Absolute Maximum Ratings (Note 2, Note

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

IN pin: Voltage to GND

-0.3V to 6.0V

Strobe, TX, SDA, SCL, I

SINK pins:

Voltage to GND

-0.3V to (V

IN + 0.3V)

w/ 6.0V max

Continuous Power Dissipation

(Note 4)

Internally Limited

Junction Temperature (T

J-MAX)

150°C

Storage Temperature Range

-65°C to 150°C

Maximum Lead Temp. (Soldering)

(Note 5)

ESD Rating(Note 6)

Human Body Model

2.5KV

Operating Ratings (Note 2, Note 3)

Input Voltage Range

2.7V to 5.5V

LED Voltage Range

2.0V to 4.0V

Junction Temperature Range (T

-30°C to +125°C

Ambient Temperature Range (T

(Note 7)

-30°C to +85°C

Thermal Information

Junction-to-Ambient Thermal Resistance

(

JA), Leadless Leadframe Package (Note 8)

36.7°C/W

ESD Caution Notice

National Semiconductor recommends that all integrated circuits be handled with appropriate ESD precautions. Failure to observe

proper ESD handling techniques can result in damage to the device.

Electrical Characteristics (Note 3, Note 9)

Limits in standard typeface are for T

J = 25°C. Limits in boldface type apply over the full operating junction temperature range (-30°

≤ T

J ≤ +125 °C). Unless otherwise noted, specifications apply to the LM2759 Typical Application Circuit (pg.1) with VIN = 3.6V,

TX = 0V, VSTROBE = 0V, CIN = C1 = C2 = 2.2 µF, COUT = 4.7 µF. (Note 10)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

LED

LED Current Sink

Accuracy

Flash Mode

ADDR xB0 = 0x02

198

−10%

220

242

+10%

FLASH

Max Flash Output Current Flash Mode

ADDR xB0 = 0x0F

GDX

Gain Transition Voltage

Threshold on I

SINK

LED = 500mA

ISINK falling)

350

OUT

Output Voltage

1x Mode, I

OUT = 0 mA (VIN >VOUT)(Note 12)

4.7

4.9

1.5x Mode, I

OUT = 0 mA

4.7

4.9

2x Mode, I

OUT = 0 mA

5.1

5.4

OUT

x1 Mode Output

Impedance

OUT = 200mA, VIN = 3.3V

0.33

Ω

1.5x Mode Output

Impedance

OUT = 500mA, VIN = 3.3V

1.9

x2 Mode Output

Impedance

2.25

Switching Frequency

2.7V

≤ V

IN ≤ 5.5V

0.7

1.3

MHz

Input Logic High

Pins: TX, Strobe

1.26

Input Logic Low

Pins: TX, Strobe

0.7

Quiescent Current

OUT = 0 mA, 1x Mode

0.6

0.9

OUT = 0 mA, 1.5x Mode

3.4

4.0

OUT = 0 mA, 2x Mode

5.9

7.0

Shutdown Current

Device Disabled

2.7V

≤ V

IN ≤ 5.5V

5.8

9.7

µA

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