iC-NZ
FAIL-SAFE LASER DIODE DRIVER
Rev B2, Page 5/20
ELECTRICAL CHARACTERISTICS
Operating Conditions: VDD = 3.5...5.5 V, Tj = -20...85 °C; x: L, M, H, unless otherwise stated
Item
No.
001
002
003
004
005
006
Symbol
Parameter
Conditions
Min.
VDD
Ioff(VDD)
Idc(VDD)
Tab
VDDen
Vc()hi
Permissible Supply Voltage
Supply Current in VDD
Supply Current in VDD
Thermal Shutdown Threshold
Power-On Threshold
Clamp Voltage hi at REGEN,
LENH, LENM, LENL, EN,
ENCAL, LDA, NERR, NSF
Clamp Voltage hi at CIx, MDL,
RMDH, RMDM SMD
Clamp Voltage hi at LDKx
Clamp Voltage hi at RSI, VREF
Clamp Voltage hi at SDIS
Clamp Voltage lo
Voltage at MDL,
VDD
−
V(MDL) for P-type LD
Temperature Drift of Voltage at
MDL
Current in MDL, RMDM, RMDH
Voltage at VREF,
VDD
−
VREF for P-type LD
Pull-Down Current in LENx, EN
Pull-Down Current in REGEN
Threshold Voltage at LENx,
REGEN, ENCAL, EN
Hysteresis
Pull-Down Resistor at REGEN
Pull-Down Resistor at ENCAL
V(ENCAL) > Vt()
4
10
I() = 1 mA, other pins open, VDD = 0
EN = lo
EN = hi, RSI > 780
Ω
110
2.1
0.3
3.5
460
6.4
Typ.
Max.
5.5
600
10
150
2.95
1.5
V
µA
mA
°C
V
V
Unit
Total Device
007
008
009
010
011
101
102
103
104
Vc()hi
Vc()hi
Vc()hi
Vc()hi
Vc()lo
V(MDL)
dV(MDL)
I()
V(VREF)
I() = 1 mA, other pins open, VDD = 0
I() = 1 mA, other pins open
I() = 1 mA, other pins open, VDD = 0
I() = 1 mA, other pins open
I() = 1 mA, other pins open
closed control loop
closed control loop
LENL, LENM, LENH = hi
iC active
0.3
12
0.3
6
-1.5
440
-0.65
500
120
-500
405
480
0.9
1.6
V
V
1.5
-0.3
550
V
V
V
mV
µV/°C
Reference
500
550
nA
mV
Digital Inputs
201
202
203
204
205
206
Ipd()
Ipd
(REGEN)
Vt()
Vhys()
Rpd
(REGEN)
Rpd
(ENCAL)
VSL
VSH
dVS
VCHK
I(RSMD)
Ipd(SMD)
V(LDA) = V(VDD)
V(LDA) = V(VDD), V(ENCAL) < Vt()
VDD = 5 V
1
1
0.75
4
4
1.8
800
20
30
10
10
2.2
µA
µA
V
mV
kΩ
kΩ
Safety Monitor Diode
301
302
303
304
305
306
Monitor Threshold lo,
Signal SMD(0)
Monitor Threshold hi,
Signal SMD(1)
VSH
−
VSL
Test Voltage for SMD
Permissible
Safety Monitor Diode Current
Pull-Down-Current in SMD
one channel only is activated;
I(LDK) = 100 mA
I(LDK) = 60 mA
DC
DC
DC
100
760
0.2
0.6
265
615
350
300
680
390
325
750
430
120
5
3
mV
mV
mV
%VSH
mA
µA
Laser Driver LDKx, CI, RMDx
401 Vs(LDKx) Saturation Voltage at LDKx
1.2
0.8
2
1.3
120
100
100
12
900
V
V
mA
mA
mA
V
mV
402
403
404
405
406
Idc(LDKL) Permissible Current
Idc(LDKM) Permissible Current
Idc(LDKH) Permissible Current
Vo()
VCI()
Permissible Voltage at LDKx
REGOK Monitor Threshold
ICHAUS [ IC-HAUS GMBH ]
