iC-NZN
N-TYPE LASER DIODE DRIVER
Rev A1, Page 4/16
ELECTRICAL CHARACTERISTICS
Operating Conditions: VDD = 3...5.5 V, VSY = 0 V...VDD, Tj = -20...125 °C, NSLP = hi, CID = lo; unless otherwise stated
Item Symbol
No.
Parameter
Conditions
Unit
Min.
Typ.
Max.
Total Device
001 VDD
002 VSY
Permissible Supply Voltage
3
3
5.5
5.5
V
V
Permissible Supply Voltage at
VSY
VSY ≤ VDD
003 Ioff(VDD) Supply Current in VDD
004 Idc(VDD) Supply Current in VDD
NSLP = lo, all other input pins set to lo
RSI ≥ 680 Ω
5
50
15
µA
mA
µA
°C
V
10
005 I(VSY)
006 Tab
Supply Current in VSY
Thermal Shutdown Threshold
Power-On Threshold
SYN pin open
10
130
1.7
0.3
196
2.8
1.5
007 VDDon
008 Vc()hi
Clamp Voltage hi at RSI, TTL,
REGE, MD, CI, LDA, NSLP,
IMON
I() = 0.1 mA, other pins open, VDD = 0
V
009 Vc()hi
010 Vc()hi
011 Vc()lo
Clamp Voltage hi to VSY at SYN I() = 1 mA, other pins open, VSY = 0
Clamp Voltage hi at LDK I() = 1 mA, other pins open
0.3
12
1.5
V
V
V
Clamp Voltage lo at VDD, AVG, I() = 1 mA, other pins open
MD, IMON, CID, EP, EN, TTL,
-1.5
-0.65
-0.3
VSY, SYN, RGND, RVDD, LDK,
AGND, CI, LDA, RSI, REGE,
NSLP, NERR
012 Vc()hi
Clamp Voltage hi at VSY, EP, EN I() = 1 mA, other pins open, VDD = 0
6
V
Current Monitor RSI, LDA
101 V(RSI) Voltage at RSI
102
430
520
500
580
mV
RSI
Permissable Resistor at RSI
VDD = 3...3.5 V
VDD = 4.5...5.5 V
2.5
0.68
9
9
kΩ
kΩ
103 VLDA
104
LDA Voltage Monitor Threshold VDD − V(LDA), V(RSI) = VDD
400
630
mV
Ierr(LDA) Maximum Unlimited current from
V(RSI) = VDD;
VDD = 4.5...5.5 V
VDD = 3...3.5 V
LDA without error signaling
400
260
850
600
mA
mA
105 Cmin(LDA) Minimum capacitor needed at
LDA
100
nF
106
rILDA
Current Ratio I(LDA)max / I(RSI)
V(LDA) = 0 V
VDD = 4.5...5.5 V
VDD = 3...3.5 V
470
430
610
610
107
rILDK
Current Ratio I(LDK)max / I(RSI)
V(LDK) = V(REGE) = V(TTL) = V(EP) = VDD,
V(MD) = 0 V
VDD = 4.5...5.5 V
VDD = 3...3.5 V
400
480
960
870
108 i(ldk)
Maximum limited current
RSI = 0.68 KΩ VDD = 5.5 V
630
20
mA
109 Rdis(LDA) Discharge Resistor at LDA
NSLP = lo, V(LDA) = VDD
1
kΩ
Reference
201 V(MD)
V(MD) − V(RGND),
V(RVDD) − V(MD) for P-type LD
or ACC
closed control loop
460
510
560
mV
202 dV(MD)
203 V(MD)
Temperature Drift of Voltage at
MD
closed control loop
120
510
µV/°C
mV
V(MD) − V(RGND)
V(EP) = 0 V, V(AVG) = 0 V, N-type LD
460
550
Digital Inputs/Outputs
301 Vin()
Input Voltage Range at EP, EN
TTL = lo, VDD = 3.0...5.5 V
0.6
200
0.6
VDD -
1.4
V
302 Vd()
Input Differential Voltage at EP,
EN
TTL = lo, Vd() = |V(EP) - V(EN)|
mV
kΩ
303
R()
Differential Input Impedance at
EP, EN
TTL = lo
V(EP), V(EN) < VDD − 1.5 V
3
2
304 Vt(EP)hi
305 Vt(EP)lo
Input Threshold Voltage hi at EP TTL = hi, EN = open
Input Threshold Voltage lo at EP TTL = hi, EN = open
V
V
0.8
ICHAUS [ IC-HAUS GMBH ]
