IC-WKN Datasheet, PDF (5/9 Pages) IC-Haus GmbH – 15 V CW LASER DIODE DRIVER

iC-WKN
15 V CW LASER DIODE DRIVER
Rev B1, Page 5/9
ELECTRICAL CHARACTERISTIC
Operating Conditions: VCC = 2.4...15 V, RM = 80 Ω...200 kΩ, Tj = -40...125 °C unless otherwise noted
Item- Symbol Parameter
No.
Conditions
Tj Fig.
°C
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) Input Current Temperature Drift in see 103
MDA
105 APCerr 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...1 mA
109 CR()
110 TC()
Current Ratio I(MDA) / I(MDK)
Current Ratio Temperature
Coefficient I(MDA) / I(MDK)
I(MDK) = 1 µA...1 mA
I(MDK) = 1..6 mA
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
-6
16
16
8
1.1
-9
480
-100
-1
-1.5
0.46
0.98
0.95
-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
Ω
2
V
1.02
1.05
0.005
0.025
%/°C
%/°C
350 mV
700 mV
1.5
%
700 mA
1.2
A
85
µs
170
µs
1.3
V
1.3
Ω
2
V