IC-WKN_14 Datasheet, PDF (7/12 Pages) IC-Haus GmbH – 15 V CW LASER DIODE DRIVER

iC-WKN
15 V CW LASER DIODE DRIVER
Rev C1, Page 7/12
ELECTRICAL CHARACTERISTICS
Operating Conditions: VCC = 2.4...15 V, RM = 80 Ω...200 kΩ, Tj = -40...125 ^◦C unless otherwise noted
Item Symbol Parameter
No.
Conditions
Total Device
001 VCC
Permissible Supply Voltage
002 I(LDK)m Permissible Laser Drive Current power control range
003 Idc(VCC) Supply Current without load path closed control loop, I(MDK) = 0,
I(LDK) = 290 mA
004 Ioff(VCC) Supply Current on Reset
005 Ir(VCC) Reverse Supply Current
RM = 50 kΩ, VCC = -6 V
006 ton()
Turn-on Delay
VCC: 0 → 5 V to 95 % I(LDK),
I(LDK) = I(LDK)m;
CI = 47 nF
CI = 100 nF
007 Vc()hi
Clamp Voltage hi at VCC, LDA I()= 10 mA, other pins open
008 Vc()hi
Clamp Voltage hi at LDK
V() < VCC + 1 V; I() = 10 mA, other pins open
009 Vc()hi
Clamp Voltage hi at MDK vs. LDA I() = 10 mA, other pins open
010 Vc()hi
Clamp Voltage hi at MDA, CI
I() = 10 mA, other pins open
011 Vc()lo
Clamp Voltage lo at VCC, LDA, I() = -10 mA, other pins open
MDK, MDA, CI
Reference and Monitor Inputs MDA, MDK, AGND
101 V(MDA) Reference Voltage at MDA
closed control loop,
V(LDK) > Vs(LDK)
102 dV(MDA) Reference Voltage Temperature see 101
Drift at MDA
103 Ierr(MDA) Input Current in MDA
closed control loop, I(MDK) = 0,
I(LDK) = 10...290 mA
104 dI(MDA)
105 APCerr
Input Current Temperature Drift in see 103
MDA
Control Error
RM = 10 kΩ, Tj = 0...80 ^◦C
RM = 10 kΩ, Tj = -40...125 ^◦C
106 dI(RM) Supply Voltage Suppression
V(VCC): 2.4 → 15 V, I(LDK) = 290 mA
107 Rgnd() Resistor AGND-GND
108 Vf(MDK) Voltage at MDK
Vf() = V(LDA) − V(MDK), I(MDK) = 1 µA...6 mA
109 CR()
Current Ratio I(MDA) / I(MDK)
I(MDK) = 1...500 µA
I(MDK) = 0.5...3 mA
I(MDK) = 3...6 mA
110 TC()
Current Ratio Temperature
Coefficient I(MDA) / I(MDK)
I(MDK) = 1 µA...1 mA
I(MDK) = 1...6 mA
Laser Driver LDA, LDK
201 Vs(LDK) Saturation Voltage at LDK
I(LDK) = 40 mA
I(LDK) = 290 mA
202 dI(LD)
Load Balancing Error
I(LD) = 20 mA, I(LDK): 20 mA → 290 mA
203 It(LDK) Overcurrent Threshold in LDK V(LDK) = 2...5.5 V
204 It(LDK)m Maximum Overcurrent Threshold
in LDK
205 toff()
Overcurrent Reset Delay
lack of feedback: I(MD) = 0 to I(LDK) = It(LDK);
CI = 47 nF
CI = 100 nF
206 Vf()
Flyback Diode Forward Voltage I(LDK) < 290 mA
LDK-LDA
207 Rvcc() Transient Protection Resistor VCC to LDA
208 Vt(MDA) Shutdown Threshold at MDA t > 1 µs
Min.
2.4
10
-10
16
16
8
1.1
-9
480
-100
-1
-1.5
0.46
0.97
0.95
0.92
-0.005
-0.025
-1.5
300
0.7
Typ.
10
2.4
-3
500
Unit
Max.
15
V
300 mA
20
mA
5
mA
mA
70
µs
150
µs
24
V
24
V
11
V
4
V
V
520 mV
120 µV/^◦C
100 nA
1 nA/^◦C
0.3
1
1.5
3
2
1.03
1.05
1.06
0.005
0.025
%
%
%
Ω
V
%/^◦C
%/^◦C
350 mV
700 mV
1.5
%
700 mA
1.2
A
85
µs
170
µs
1.3
V
3
Ω
2
V