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All specifications are typical at 25 degrees C with nominal input voltage and full output unlessotherwise noted. Specifications are subject to change without notice. All dimensions are typical.

55

Additional Features

Optional (-A1) Footprint, consult factory

Available Models

Input Input

Nominal Voltage Output Max. Output CurrentModel Input Voltage Range Voltage Current Efficiency @ No-Load

(VDC) (VDC) (VDC) (mA) Full-Load (%) (mA) typ.

303S5W FR 5 4.5-9.0 3.3 600 70 40305S5W FR 5 4.5-9.0 5.0 500 73 40312S5W FR 5 4.5-9.0 12.0 250 77 40315S5W FR 5 4.5-9.0 15.0 200 77 40305D5W FR 5 4.5-9.0 +/ -5.0 +/ -250 72 40312D5W FR 5 4.5-9.0 +/ -12.0 +/ -125 75 40315D5W FR 5 4.5-9.0 +/ -15.0 +/ -100 75 40303S12W FR 12 9-18 3.3 600 74 20305S12W FR 12 9-18 5.0 500 78 20

312S12W FR 12 9-18 12.0 250 82 20315S12W FR 12 9-18 15.0 200 82 20305D12W FR 12 9-18 +/ -5.0 +/ -250 77 20312D12W FR 12 9-18 +/ -12.0 +/ -125 80 20315D12W FR 12 9-18 +/ -15.0 +/ -100 80 20303S24W FR 24 18-36 3.3 600 76 5305S24W FR 24 18-36 5.0 500 79 5312S24W FR 24 18-36 12.0 250 84 5315S24W FR 24 18-36 15.0 200 84 5305D24W FR 24 18-36 +/ -5.0 +/ -250 79 5312D24W FR 24 18-36 +/ -12.0 +/ -125 82 5315D24W FR 24 18-36 +/ -15.0 +/ -100 82 5303S48W FR 48 36-72 3.3 600 76 3

305S48W FR 48 36-72 5.0 500 79 3312S48W FR 48 36-72 12.0 250 84 3315S48W FR 48 36-72 15.0 200 84 3305D48W FR 48 36-72 +/ -5.0 +/ -250 80 3312D48W FR 48 36-72 +/ -12.0 +/ -125 84 3315D48W FR 48 36-72 +/ -15.0 +/ -100 84 3

Outline Drawing Pinout Chart

Pin Connections Standard Pin Connections (-A1)

Pin Single Dual Single Dual

2,3 -Vin -Vin -Vin -Vin9 NC Common No Pin Common

11 NC -Vout No Pin -Vout14 +Vout +Vout +Vout +Vout16 -Vout Common -Vout Common

10,15 N C NC No Pin N o Pin22,23 +Vin +Vin +Vin +Vin

NC : No Connection w ith Pin

1.2531.80

0.8020.30

0.4010.20

0.6015.20 0.15

3.80

0.102.50

TYPICAL

0.184.60

0.02 (0.50)DIAMETER

TYPICAL

23 2

14 11

http://www.digchip.com/datasheets/parts/datasheet/276/512D24WFR.phphttp://www.digchip.com/

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S T A N D A R D D C / D C C O N V E R T E R S56

Input Characteristics

Input Vol t age Range: 9-18, 18-36, 36-72 VDC

Input Fi l tering: Pi Fi lter

Efficiency: See Available M odels Chart

No Load Input Current: See Available M odels Chart

Output Characteristics

Out put Vol t age A ccuracy: +/ -2% M ax.

Ou tp ut Vo lt ag e Ba la nc e: +/ - 1% M a x, D ua l Ou tp ut M o de ls (Eq ua l l oa ds )

M i ni mu m Lo ad Re qu ir em en ts : 1 0% M i n Lo ad

Line Regulat ion: +/ -0.5% , M ax (Singles & Duals)

Load Regulat ion: Singles: +/ -0.5% , M ax (10% to FL)

Duals: +/-1% M ax. (25% to FL)

Ripple and Noise: 100mV or 1% pk-pk Max., 20MHz Bandwidth

Tem perat ure Coef ficient : +/ -0.05% / C

Sh ort Ci rcu it Pro te ct io n: Co nt in uo us; A ut o-re co ve ry

Environmental Characteristics

Operat ing Temperature Range -25C to +85C, derate 3.5%/ C above 71C

St or ag e Te mp er at ur e Ra ng e: - 40 C t o +1 25 C

M a xim um Ca se Tem perat ure 9 5C

Humidity: Up to 95% , Non-condensing

Cool ing: Free-air Convect ion

Reliabil i ty (M TBF per M il-HDBK-217): >900,000 hours, +25C, Ground Benign

General Characteristics

Sw itching Frequency: 100kHz, M in.

Isolat ion Vol tage (Input to Output): 500VDC, (1 minute); (Consult f actory for1500VDC option)

Isolat ion Resistance: 109Ohms

Isolat ion Capaci t ance: 150pF, M ax.

W eight : 0.50 oz (14g)

Case M aterial : N on-conduct ive black plast ic

Flammabi l i t y: UL 94-V0 (M aterials)

500WFR series

Key Features: Single & Dual OutputModels

2:1 Input Voltage range

Low Profile, 24 pin DIPpackage

Industry StandardPinout

Ideally Suited For:

Telecom equipment M ixed analog/digital

subsystems

Data Communications

3 to 5 watts

8/12/2019 512D24WFR

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All specifications are typical at 25 degrees C with nominal input voltage and full output unlessotherwise noted. Specifications are subject to change without notice. All dimensions are typical.

57

Available Models

Input InputNominal Voltage Output Max. Output Current

Model Input Voltage Range Voltage Current Efficiency @ No-Load

(VDC) (VDC) (VDC) (mA) Full-Load (%) (mA) typ.

503S12W FR 12 9-18 3.3 1000 70 7.5505S12W FR 12 9-18 5.0 1000 76 7.5512S12W FR 12 9-18 12.0 470 80 7.5515S12W FR 12 9-18 15.0 400 80 7.5505D12W FR 12 9-18 +/ -5.0 +/ -500 70 12512D12W FR 12 9-18 +/ -12.0 +/ -230 80 12515D12W FR 12 9-18 +/ -15.0 +/ -190 80 12503S24W FR 24 18-36 3.3 1000 70 7.5505S24W FR 24 18-36 5.0 1000 78 5512S24W FR 24 18-36 12.0 470 82 5515S24W FR 24 18-36 15.0 400 82 5505D24W FR 24 18-36 +/ -5.0 +/ -500 78 12512D24W FR 24 18-36 +/ -12.0 +/ -230 81 7.5515D24W FR 24 18-36 +/ -15.0 +/ -190 81 7.5503S48W FR 48 36-72 3.3 1000 70 7.5505S48W FR 48 36-72 5.0 1000 78 2512S48W FR 48 36-72 12.0 470 81 2515S48W FR 48 36-72 15.0 400 81 2505D48W FR 48 36-72 +/ -5.0 +/ -500 78 7.5512D48W FR 48 36-72 +/ -12.0 +/ -230 81 3

515D48W FR 48 36-72 +/ -15.0 +/ -190 81 3

Outline Drawing Pinout Chart

Pin Single Dual2 -Vin -Vin3 -Vin -Vin9 NC Common10 NC NC11 NC - Vout

14 +Vout +Vout15 NC NC16 -Vout Common22 +Vin +Vin

23 +Vin +Vin

NC : No Connection w ith Pin

1.2531.80

0.8020.30

0.4010.20

0.6015.20 0.15

3.80

0.102.50

TYPICAL

0.184.60

0.02 (0.50)DIAMETER

TYPICAL

23 2

22 3

16 9

15 10

14 11