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WLD3393

PAGE 2

WLD3393-00400-K

Figure 2:  

WLD3393 Schematic

WLD 3393 EVAL BD FOR WLD3343

SIZE

WLD3393-00600

1

B

TITLE

DWG (PRR) NO.

SCALE

SHEET

REV

OF

1

SHD

1

VSET

2

IMON

3

PMON

4

MODE

5

LIM

6

GND

7

RS+

8

B

9

RS-

10

A

11

PD+

12

PD-

13

VDD

14

U1

WLD3343

1

2

3

4

J3

OUTPUT CONNECTOR

1

2

3

4

5

6

J1

INPUT CONNECTOR

W

CW

CCW

R20

5k

W

CW

CCW

R21

500

VDD

VDD

VDD

VDD

VDD

LED

GREEN

VDD

VDD

VDD

VS

2.5V

VS

LDA

LDC

PDA

PDC

LDA

PDA

PDC

LDC

IMON

PMON

SET

LIM

2.5V

2.5V

SETV

SETV

I MON

PMON

VDD

PMON

I MON

2

1

3

5

4

6

8

7

9

11

10

12

CC/CP MODE Switch

1

2

3

JP5

PD Range

1

3

JP4

1

2

3

JP3

VSet

1

2

3

4

JP1

HEADER 2X2

1

2

3

4

5

6

JP2

HEADER 3X2

RPD+

RPD-

PD+

PD-

LIM

RS-

RS+

VSET

EXT SET

SET BIAS

SHD

2

1

3

S1

ENABLE SWITCH

Shown in CC

A

OUT

1

IN

2

CFLY-

3

CFLY+

5

GND

4

U3

TPS60403

C6

1.0

μ

F

C9

1.0

μ

F

C8

1.0

μ

F

R27

51.1

C4

4.7

μ

F

D5

B0540W

VA-

MODE

VDD

PDM

VA-

VA-

R4

332

VA-

VA-

R17

499

R16

4.99K

R23

1.00M

R24

1.00M

R22

1.00M

R14

1.00M

R7

1.00K

R9

1.00K

R8

1.00K

R10

1.00K

R6

1.00K

2

3

1

8

4

U4A

AD8032

5

6

7

8

4

U4B AD8032

2

3

1

8

4

U2A

AD8032

5

6

7

8

4

U2B AD8032

R5

1.00K

D2

LM4040 2.5V

R18

1.00K

R13

1.00K

R19

1.00K

R3

10K

R15

150

R11

1.00K

C7

0.1

P

F

R12

90.9K

+

C1

68 

P

F

+

C3

68 

P

F

+

C2

68 

P

F

FAN +

FAN -

GND

1

PWR

2

P1

Power In

1

2

3

4

5

6

7

8

J2

TB8

T

X



3

JP10

VS+VDD

LASER TYPE (A, B OR C)

C5

0.01

μ

F

R28

348K

BYPASS

1

NC

2

GND

3

INPUT

4

5

6

7

8

OUTPUT

SENSE

U5

C6

10

μ

F

X

SD

ERROR

LP2989

AIMM-2.5

E

A/B

C

1

2

3

4

JP6

SOCKET 534206-2

1

2

3

4

JP8

SOCKET 534206-2

1

2

3

4

56

JP7

SOCKET 534206-3

1

2

3

4

5

6

JP9

SOCKET 534206-3

OR

Laser Diode 

T

ype

C

onfiguration Boar

d

R1

4.

7

2

LD

 R

an

ge

RS1

0.

20

 1.

5W

RS2

0.

20

 1.

5

W

RS

3

0.

5

0

 3.

0W

(O

R

)

L

D

 R

an

g

e 2Am

p

 S

ens

e Res

is

to

r

   Co

nf

iguratio

n O

p

ti

o

n

s

   1. 

 Tw

o

 CC2520 (1.5W

att) resisto

rs in s

er

ies 

       

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acto

ry

 D

ef

ault

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1 and RS

2)

   2. 

 A

 singl

e C

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4724 (3w

att) RS

3

Summary of Contents for WLD3393

Page 1: ...to your power supply and monitoring equipment while the output cable quickly connects to your laser diode and monitor photodiode High power applications can use the onboard fan connector to power a W...

Page 2: ...1 0 F C9 1 0 F C8 1 0 F R27 51 1 C4 4 7 F D5 B0540W VA MODE VDD PDM VA VA R4 332 VA VA R17 499 R16 4 99K R23 1 00M R24 1 00M R22 1 00M R14 1 00M R7 1 00K R9 1 00K R8 1 00K R10 1 00K R6 1 00K 2 3 1 8...

Page 3: ...V ILD 1 0 Amp 5 V ILD 2 0 Amps 5 V ILD 3 0 Amps 5 V ILD 100 mA 12 V ILD 1 0 Amp 12 V ILD 2 0 Amp 12 V ILD 3 0 Amp 12 V ILD Full Scale ILD Full Scale Constant Current Sine Wave Constant Power TAMBIENT...

Page 4: ...Rise Heatspreader Temperature Rise Pin Solderability POWER SUPPLY Voltage VDD Current VDD supply quiescent MONITOR ACCURACY Monitor Voltage versus Expected Output Current based on transfer function P...

Page 5: ...s VLoad and mark on the X axis Example 12 volts 5 volts 7 volts Point A 2 Determine the maximum current ILoad through the driver and mark on the Y axis 1 amp Point B 3 Draw a horizontal line through P...

Page 6: ...and Thermal Washer or equivalent An online tool for calculating the WLD3343 Safe Operating Area is available at http www teamwavelength com support calculator soa soald php Damage threshold for laser...

Page 7: ...the 2 A position Constant Power mode utilizes the laser s photodiode to regulate the intensity of the laser in proportion to VSET While the unit is NOT powered make sure the Mode Switch is in the CP...

Page 8: ...ICATED ON MAIN BOARD A B TYPE CC SET WLD3343 P MON I MON COM PGND VDD PDC PDA LDC LDA WAVELENGTH ELECTRONICS WLD3393 ONLY 0N FAN PMON SET 2 5 PDM CP COM LIM WITH ENABLE VS IMON OFF C USE 1 A B TYPE CC...

Page 9: ...The WLD3393 has two power supply connections VS and VDD VS provides power for driving the laser minimum current capacity greater than limit current setting VDD provides power to the control electronic...

Page 10: ...oard for Constant Current CC mode operation See Step 3 3 Turn the SET trimpot fully counter clockwise OFF Adjust the LIM trimpot fully clockwise ON 4 Apply power to the WLD3393 and enable the output c...

Page 11: ...WLD3343 are shorted together in CC mode PMON will only monitor photodiode current in CP mode When operated in the 200 A range VPMON has a transfer function of 100 A V When operated in the 2 mA range V...

Page 12: ...he sum of the voltage dialed in using the SET trimpot and the voltage applied to the SET terminal Figure 4 shows the jumper location To use only an external voltage source for the setpoint place the V...

Page 13: ...unded Type C If you buy a special low noise version of the WLD3343 WLD3343 2L you can decrease noise by a factor of 2 5 under the same conditions Note that you can only operate in Constant Current mod...

Page 14: ...7 1 2 38 60 5 1 875 47 63 2 25 57 1 1 3 0 05 4 4 0 17 2 48 62 9 4 78 0 188 4 8 0 19 The WLD3343 connects to the evaluation board by two 7 pin SIP sockets The socket manufacturer is Aries Electronics P...

Page 15: ...owed by that organization s calibration facilities and to the calibration facilities of other International Standards Organization members WARRANTY This Wavelength product is warranted against defects...

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