LDS8680

© 2009 IXYS Corp.

2

Doc. No. 8680_DS, Rev. N1.0

Characteristics subject to change without notice

ABSOLUTE MAXIMUM RATINGS

Parameter

Rating

Unit

VIN, LEDx, C1± voltage

6

V

6

V

EN/SET voltage

V

Storage Temperature Range

-65 to +160

°C

Junction Temperature Range

-40 to +125

°C

Soldering Temperature

300

°C

RECOMMENDED OPERATING CONDITIONS

Parameter

Rating

Unit

VIN

2.7 to 5.5

V

Ambient Temperature Range

-40 to +85

°C

Typical application circuit with external components is shown on page 1.

ELECTRICAL OPERATING CHARACTERISTICS

Name

Conditions

Min

Typ

Max

Units

Standby Current

0.6

mA

Shutdown Current

0.5

µA

LED Current Accuracy

1mA

≤I

±8

%

LED Channel Matching

±8

%

1-x mode

0.5

Output Resistance (open loop)

1

2-x mode

1.7

Ω

Charge Pump Frequency

1

MHz

Output short circuit Current Limit

2

A

Input Current Limit

2

A

1-x to 2-x

Transition Thresholds at any LED pin

At 200 mA

150

mV

Transition Filter Delay

800

µs

Input current

1

µA

High

1.4

EN/SET

Pin

Logic Level

Low

0.4

V

Thermal Shutdown

1

160

Thermal Hysteresis

1

25

°C

Under Voltage Lockout (UVLO)

Threshold

2.3

V

Output Over Voltage protection

5.6

5.9

V

Flash LED Safety Timer

250

ms

Note:

1. Sample test only

2. Measusured from Flash LED ON command to ILED reaches 90% of regulated level