IC-WKM Datasheet, PDF (5/9 Pages) List of Unclassifed Manufacturers – M-TYPE CW LASER DIODE DRIVER

iC-WKM
M-TYPE CW LASER DIODE DRIVER
preliminary
Rev C1, Page 5/9
ELECTRICAL CHARACTERISTICS
Operating Conditions: VCC = 3.6...15 V, RM = 40 Ω...100 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(LDA)m Permissible Laser Drive Current control range
003 Idc(VCC) Supply Current without load path closed control loop, I(MDK) = 0,
I(LDA) = 350 mA
004 Ioff(VCC) Supply Current after 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(LDA);
I(LDA) = I(LDA)m, CI = 3.3 µF
007 Vc()hi
Clamp Voltage hi at MDA
I() = 10 mA, other pins open
008 Vc()lo
Clamp Voltage lo at
VCC, LDA, MDA, CI, VCCA
I() = -10 mA, other pins open
009 Vc()hi
Clamp Voltage hi at MDK
referenced to VCCA
I() = 10 mA, other pins open
010 Vc()lo
Clamp Voltage lo at MDK
referenced to VCCA
I() = -10 mA, other pins open
011 Vc()hi
Clamp Voltage hi at VCC, LDA, I() = 10 mA, other pins open
CI, VCCA
Reference and Monitor Inputs MDA, MDK, AGND
101 V(MDA) Reference Voltage at MDA
closed control loop,
V(LDA) < Vs(LDA)
102 dV(MDA) Reference Voltage Temperature see 101
Drift at MDA
103 Ierr(MDA) Input Current in MDA
closed control loop, I(MDK) = 0
104 dI(MDA) Input Current Temperature Drift in see 103
MDA
105 APCerr Control Error
RM = 10 kΩ;
Tj = 0...80 °C
Tj= -40...125 °C
106 dI(MD) Supply Voltage Suppression
V(VCC): 3.6 V → 15 V,
I(LDA) = -350 mA
107 Rgnd() Resistor AGND-GND
108 CR()
Current Ratio I(MDA)/I(MDK)
I(MDK) = 1...500 µA
I(MDK) = 0.5...3 mA
I(MDK) = 3...6 mA
109 TC()
Current Ratio Temperature
Coefficient I(MDA)/I(MDK)
I(MDK) = 1 µA...1 mA
110 TC()
Current Ratio Temperature
Coefficient I(MDA)/I(MDK)
I(MDK) = 1...6 mA
111 Vf(MDK) Voltage at MDK
Vf() = V(VCCA) − V(MDK),
I(MDK) = 1 µA...6 mA
Laser Driver LDA
201 Vs(LDA)
Saturation
Vs(LDA) = V(VCC) − V(LDA);
Voltage at LDA referenced to VCC I(LDA)= -40 mA
I(LDA)= -350 mA
202 dI(MDA) Load Balancing Error
I(LDA): -20 → -350 mA
203 It(LDA) Overcurrent Threshold in LDA
204 toff()
Overcurrent Reset Delay
lack of feedback:
I(MD) = 0 to I(LDA) > -10 mA,
VCC = 5 V, CI = 1 µF
205 Vf()
Flyback Diode Forward Voltage I(LDA) > -350 mA
V(GND)-V(LDA)
206 Rvcc()
Transient Protection Resistor
VCC to VCCA
207 Vt(MDA) Shutdown Threshold at MDA t > 1 µs
Min.
3.6
-350
-10
1.1
-9
6
-11
16
230
-100
-1
-4
0.97
0.95
0.92
-0.005
-0.025
0.4
-5
-700
0.7
Typ.
5
2.4
-3
250
Max.
15
-10
10
5
600
4
11
-1
24
270
120
100
1
0.5
2
4
3
1.03
1.05
1.06
0.005
0.025
2
1.0
1.5
4
-360
600
1.5
3
1.8
Unit
V
mA
mA
mA
mA
µs
V
V
V
V
V
mV
µV/°C
nA
nA/°C
%
%
%
Ω
%/°C
%/°C
V
V
V
%
mA
µs
V
Ω
V