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13

Analog Technologies

ATLS100MA104

Low Noise Constant Current Laser Controller

Figure 20. Controller Internal Temperature vs. TMPO Voltage

MECHANICAL DIMENSIONS AND MOUNTING

The ATLS100MA104 comes in 2 packages: through hole

mount and surface mount. The former is often called DIP

(Dual Inline package) or D (short for DIP) package and has

a part number: ATLS100MA104D, and the latter is often

called SMT (Surface Mount Technology) or SMD (Surface

Mount Device) package and has a part number:

ATLS100MA104S. See below Figure 21 and 22.

Note: The surface mount version is not recommended

for new designs.

Figure 21. Dimensions of the DIP Package Controller

Figure 22. Dimensions of the SMT Package Controller

“Tent” (i.e. cover the entire via by the solder mask layer)

all the vias under the controller, otherwise, the vias can be

shorted by the bottom plate of the controller which is

internally connected the ground.

Please notice that, in the recommended foot print for the

DIP package, the holes for pin 2 to 6, and 8 to 12 have

larger holes than needed for the pins. This arrangement

–50

–30

–10

10

30

50

70

90

110

130

150

0.4

0.8

1.2

1.6

2.0

2.4

2.8

Voltage (V)

Temperature (°C)

Actual TMPO Voltage vs. Controller Temperature

A Linearized TMPO Voltage vs. Controller Temperature