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5

PLD10000/PLD12500 LASER DIODE DRIVER

ELECTRICAL SPECIFICATIONS

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

NOTE

ABSOLUTE MAXIMUM RATINGS

Supply Voltage1

+5 V

5.0 to 5.5

VDC

Supply Voltage,

LDA High Compliance1, 2

LD Anode /

+LD Supply

3.0 to 30

VDC

Consult Safe Operating

Area calculator for supply

voltages > 5 VDC

Supply Voltage, Type C Lasers

Aux V+

8.0 to 12.5

VDC

Operating Temperature Range3

T

OPR

0 to 50

ºC

Storage Temperature Range

T

STG

-55 to 125

ºC

Weight

8.4

oz

235 grams

Size

3.35 x 3.20 x 1.93

in

85.1 x 81.3 x 49.0 mm

MODEL

PARAMETER

PLD10000

PLD12500

UNIT

DRIVE CURRENT OUTPUT

Maximum Internal Power Dissipation

110

110

W

Maximum Output Current

10

12.5

A

Compliance Voltage

2.5 V max with 5 VDC power supply voltage

27.5 V max with 30 VDC power supply voltage

85 V max with Product Variation

V

Short Term Stability, 1 hour,

Constant Current Mode

< 200

< 300

ppm

Quiescent Current

250

250

mA

Temperature Coefficient

< 200

ppm

Noise & Ripple4

> 45

µA

PHOTODIODE FEEDBACK

High Range Photodiode Input Current

50 – 5000

µA

Low Range, Type A & B Lasers Only

15 – 500

µA

Short Term Stability, 1 hour,

Constant Power Mode

< 0.05

< 0.05

%

EXTERNAL MODULATION

Analog Input Damage Threshold

V

IN< -0.5 or VIN > (0.5 V above Supply Voltage on Pin 15)

V

Input Pin Impedance

1

MΩ

Bandwidth, 3 dB5

90

70

kHz

Depth of Modulation at 60 kHz6

90

%

Rise Time

7

7

µsec

Fall Time

8

8

µsec

TIMING CHARACTERISTICS7,8

Output Turn-on Delay

≥1.5

seconds

Slowstart Output On-Time

250

msec

Disable Fall Time

>100

µsec

MONITOR ACCURACY

Monitor Voltage vs. Expected Output

based on transfer function

2

% of Full Scale

1. Single 5 VDC supply operation is possible with PLD10000. Two supplies are required for PLD12500. See

page 7 for Dual power supply operation.

2. Use two supplies with PLD10000 when driving high-compliance lasers, or when lower drive current noise is required. PLD12500 requires two supplies.

3. PLD12500 maximum operating temperature is 35ºC.

4. Not recommended for low noise applications. See the LDxCHA webpage for lower noise laser

drivers

5. Modulation bandwidth in Constant Power mode will depend on the photodiode frequency response.

Photodiode specifications vary widely from one manufacturer to another, but the bandwidth in

Constant Power mode is typically 10% of the Constant Current bandwidth.

6. Peak-to-Peak output amplitude decreases as frequency increases. See figure at right.

7. See

page 16 for timing graphs.

8. See

page 15 for revision A & B timing characteristics.

0 mA

Full Current

100% Depth of Modulation at 10 Hz

100 %

0 %

90% Depth of Modulation at 60 kHz

90 %

95 %

5 %