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