IC-NZN_11 Datasheet, PDF (5/17 Pages) IC-Haus GmbH – N-TYPE LASER DIODE DRIVER

iC-NZN
N-TYPE LASER DIODE DRIVER
preliminary
Rev B1, Page 5/17
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 Parameter
No.
Conditions
Min. Typ. Max.
Total Device
001 VDD
Permissible Supply Voltage
3
5.5
002 VSY
Permissible Supply Voltage at
VSY
VSY ≤ VDD
3
5.5
003 Ioff(VDD) Supply Current in VDD
NSLP = lo, all other input pins set to lo
5
50
004 Idc(VDD) Supply Current in VDD
RSI ≥ 680 Ω
10
15
005 I(VSY) Supply Current in VSY
SYN pin open
10
006 Tab
Thermal Shutdown Threshold
130
196
007 VDDon Power-On Threshold
1.7
2.8
008 Vc()hi
Clamp Voltage hi at RSI, TTL, I() = 0.1 mA, other pins open, VDD = 0
0.3
1.5
REGE, MD, CI, LDA, NSLP,
IMON
009 Vc()hi
Clamp Voltage hi to VSY at SYN I() = 1 mA, other pins open, VSY = 0
0.3
1.5
010 Vc()hi
Clamp Voltage hi at LDK
I() = 1 mA, other pins open
12
011 Vc()lo
Clamp Voltage lo at VDD, AVG,
MD, IMON, CID, EP, EN, TTL,
VSY, SYN, RGND, RVDD, LDK,
AGND, CI, LDA, RSI, REGE,
NSLP, NERR
I() = 1 mA, other pins open
-1.5 -0.65 -0.3
012 Vc()hi
Clamp Voltage hi at VSY, EP, EN I() = 1 mA, other pins open, VDD = 0
6
Current Monitor RSI, LDA
101 V(RSI) Voltage at RSI
430 520 580
102 RSI
Permissable Resistor at RSI
VDD = 3...3.5 V
VDD = 4.5...5.5 V
2.5
9
0.68
9
103 VLDA
LDA Voltage Monitor Threshold VDD − V(LDA), V(RSI) = VDD
400 500 630
104 Ierr(LDA) Maximum Unlimited current from V(RSI) = VDD;
LDA without error signaling
VDD = 4.5...5.5 V
VDD = 3...3.5 V
400
880
260
630
105 Cmin(LDA) Minimum capacitor needed at
100
LDA
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
610
430
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
400
960
VDD = 3...3.5 V
480
870
108 i(ldk)
Maximum limited current
RSI = 0.68 KΩ VDD = 5.5 V
630
109 Rdis(LDA) Discharge Resistor at LDA
NSLP = lo, V(LDA) = VDD
1
20
Reference
201 V(MD)
V(MD) − V(RGND),
closed control loop
V(RVDD) − V(MD) for P-type LD
or ACC
460 510 560
202 dV(MD) Temperature Drift of Voltage at closed control loop
120
MD
203 V(MD) V(MD) − V(RGND)
V(EP) = 0 V, V(AVG) = 0 V, N-type LD
460 510 560
Digital Inputs/Outputs
301 Vin()
Input Voltage Range at EP, EN TTL = lo, VDD = 3.0...5.5 V
0.6
VDD -
1.4
302 Vd()
Input Differential Voltage at EP, TTL = lo, Vd() = |V(EP) - V(EN)|
200
EN
303 R()
Differential Input Impedance at TTL = lo
EP, EN
V(EP), V(EN) < VDD − 1.5 V
0.6
3
304 Vt(EP)hi Input Threshold Voltage hi at EP TTL = hi, EN = open
2
305 Vt(EP)lo Input Threshold Voltage lo at EP TTL = hi, EN = open
0.8
Unit
V
V
µA
mA
µA
°C
V
V
V
V
V
V
mV
kΩ
kΩ
mV
mA
mA
nF
mA
kΩ
mV
µV/°C
mV
V
mV
kΩ
V
V