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4

Analog Technologies

ATLS4A217

High Voltage Constant Current 4A Laser Driver

SPECIFICATIONS

°C)

Parameter

Value

Unit

Power efficiency

90

%

Maximum output current

4

A

Low frequency output current noise,

peak-to-peak value, 0.1Hz to 10Hz,

<15

Stability @ 4A &

−20°C ∼80°C

<

±0.01

%

<

±650

µA

Laser current control signal at LISL and LISH

0~2.5

V

LISL and LISH control accuracy

±0.1

%

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

5.5 ~27

V

Maximum power supply voltage

28

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