Absolute Maximum Ratings (Note 1, Note

2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

V

-0.3V to 6.0V

EN1, EN2 pins: Voltage to GND

-0.3V to (V

w/ 6.0V max

Continuous Power Dissipation

(Note 3)

Internally Limited

Junction Temperature (T

150°C

Storage Temperature Range

-65°C to 150°C

Maximum Lead Temp. (Soldering)

(Note 5)

ESD Ratings (Note 4)

Human Body Model

2kV

Machine Model

200V

Operating Ratings (Note 1, Note 2)

Input Voltage Range

2.7V to 5.5V

Junction Temperature Range (T

-40°C to +125°C

Ambient Temperature Range (T

(Note 6)

-40°C to +85 °C

Thermal Information

Junction-to-Ambient Thermal Resistance

56°C/W

Resistance (

θ

(Note 7)

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 2, Note 8)

Limits in standard typeface are for T

C

V

Symbol

Parameter

Conditions

Min

Typ

Max

Units

I

LED

LED Current Accuracy

I

450

500

550

mA

V

SET

I

1.3

V

I

LED Current to Set Current

Ratio

Flash Mode

7650

Torch Mode

1639

I

LED-IND

Indicator Current Level

Indicator Mode

32 kHZ PWM Mode

1/32 x

I

LED-

TORCH

mA

V

GDX

1x to 1.5x Gain Transition

Voltage Threshold on

V

I

300

mV

V

OUT

Output Voltage

1x Mode, I

V

IN

V

1.5x Mode, I

4.8

5.3

R

OUT

1x Mode Output

Impedance

I

0.33

0.53

Ω

1.5x Mode Output

Impedance

I

1.5

2.0

F

SW

Switching Frequency

0.8

1.25

1.5

MHz

I

Q

Quiescent Current

I

0.7

0.8

mA

I

4

5

I

SD

Shutdown Current

Device Disabled (Note 12)

0.01

1

µA

T

OUT

Time-out Duration

(Note 13)

640

814

1000

msec

V

IH

Input Logic High

Pins: EN1, EN2

1.2

V

V

IL

Input Logic Low

Pins: EN1, EN2

0.4

V

3

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