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4

Analog Technologies

ATLS3A212

High Voltage Constant Current 3A Laser Driver

Laser current indication signal at LIO

0~2.5

V

LIO indication accuracy

±0.2

%

Reference output voltage

2.5

±0.004

V

Output voltage range at LDA

V

Output voltage at LDC

V

Power supply voltage range

4.5~15

V

Maximum power supply voltage

16

V

Start-up time upon releasing the SBDN pin above 2.6V

20

ms

Shutdown time upon pulling the SBDN pin down

20

µs

Standby current

8

mA

Shutdown current

<2

µA

Operating case temperature

−40 ~ 110

°C

Operating ambient temperature

−40 ~ 85

°C

Table 3. Thermal Information

THERMAL METRIC

Value

Unit

Internal-to-ambient thermal resistance

36

°C/W

7.5

°C/W

Internal -to-board thermal resistance

24.5

°C/W

4

°C/W

Note: The above values have a 20% margin of error.

Figure 3. Internal Block Diagram of ATLS3A212