Technical Reference Notes

ALD12/18/20/25 Series

(Single Output 16

MODEL: ALD12/18/20/25 SERIES

SHEET 20 OF 20

AUGUST 17, 2005 – REVISION C

PART NUMBERING SCHEME

CONSTRUCTION

O/P CURRENT

O/P VOLTAGE

Vin

Enable

TH PIN

LENGTH

TERMINATION

A

W

D

xx

y

48

N

-

6

S

L = Open frame

E = Baseplate

12 = 12A

18 = 18A

20 = 20A

25 = 25A

25 = 25A

25 = 25A

A = 5.0V

F = 3.3V

G = 2.5V

Y = 1.8V

M = 1.5V

K = 1.2V

N = Negative

Blank = Positive

6 = 3.7mm

Blank = 5mm

default

S = SMT Termination

(Consult with Factory)

Blank = (TH) thru-hole

Note:

1) For Through Hole termination: - Std pin length is 5mm nominal (min: 0.189 [4.8]; max: 0.205 [5.2] / in [mm])

- “-6” option is 3.7mm nominal (min: 0.137 [3.5]; max: 0.152 [3.9] / in [mm])

- Pins 4&8 diameter:

∅ = 0.062 [1.57], others: ∅ = 0.04 [1.0] (6X)

2) For SMT termination:

- Recommended surface mount pad

∅ = 0.11 [2.79] ± 0.005 [0.13] (in [mm])

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