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iC-NZP
P-TYPE LASER DIODE DRIVER
y inar im prel
Rev A1, Page 1/13 APPLICATIONS o Pulsed and CW laser diode modules o Laser diode pointers o Laser levels o Bar-code readers o Distance measurement
FEATURES o Peak value controlled laser driver for operation from CW up to 155 MHz o Spike-free switching of laser currents of up to 300 mA o Setting of laser power (APC) via external resistor o Optional current control (ACC) o Laser current limitation o LVDS/TTL switching input with TTL monitor output o Low current consumption sleep-mode < 50 A o Safety shutdown with overtemperature o Error signal output with overtemperature, undervoltage and overcurrent o All current LD types can be used (P/M/N configurations) o Fast soft-start o Strong suppression of transients with small external capacitors
PACKAGES
QFN24 4 mm x 4 mm
BLOCK DIAGRAM
RVDD
+3..+5.5V
VDD RSI
i(RSI)x540 LDA MONITOR
VDDA
CVDD
100 nF.. RSI 0.68.. 9k
NSLP
VDD
iC-NZP
& 1 ECI
CVDDA
100 nF..
VDDL
REGE CIS
PMD ..10 nF.. CI RMD
AVG VSY SYN EP EN
VDD
&
LVDS/TTL + -
REF
+
x280
CI
LDA IMON MD
TTL
VDD
..300mA
NCID INPUT INTERFACE NERR OverTemp. 1 OverCurrent Low V(LDA)
ECI OUTPUT DRIVER
P
Bandgap, Reference, Overtemp OUTPUT MONITOR RGND
GND
T.PAD GND
suitable laser diode configurations
P
M
N
Copyright (c) 2010 iC-Haus
http://www.ichaus.com
iC-NZP
P-TYPE LASER DIODE DRIVER
y inar im prel
Rev A1, Page 2/13
DESCRIPTION Laser diode pulse driver iC-NZP allows CW operation of laser diodes and spike-free switching with defined current pulses up to 155 MHz. The optical output power of the laser diode is set-up by means of an external resistor (RMD/PMD). For laser current control without a monitor diode, the laser current monitor at pin IMON is utilised. For high pulse frequencies the device can be switched into controlled burst mode. A previously settled operating point is maintained throughout the burst phase. An averaging current monitor can be set by an external resistor at pin RSI. When the current limit is reached, overcurrent is signalled at NERR and the current from pin VCCA is limited to the pre-set value but the iC is not shut down. There is an additional current limitation in pin LDA that prevents the iC from overpowering the laser diode. Setting pin NSLP low, the iC enters a low consumption sleep-mode (< 50 A typ.).
PACKAGES QFN24 4 mm x 4 mm to JEDEC PIN CONFIGURATION PIN FUNCTIONS No. Name Function
22 21 20 19
24
23
1 2 3 4 5 6
18 17 16
NZP code... ...
15 14 13
7
8
9
10
11
12
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
VDD GND MD IMON NCID EP EN TTL VSY SYN RGND RVDD LDA CI CIS VDDL VDDA AVG RSI REGE GND NSLP NERR
Power Supply Ground APC setup, monitor input Laser Current Monitor Disable Pulldown Current at CI Positive LVDS/TTL switching input Negative LVDS switching input Enable TTL input Sync Output Supply Voltage Sync Output Reference Ground Reference (P-type laser diodes) Laser Diode Anode Power Control Capacitor Power Control Capacitor sense Laser Power Supply Analogue Power Supply Averaging Control Enabled Current Monitor Setup Control Enable Ground Not Sleep-Mode Error Output n/c
The Thermal Pad is to be connected to a Ground Plane (GND) on the PCB. Only pin 1 marking on top or bottom defines the package orientation ( NZP label and coding is subject to change).
iC-NZP
P-TYPE LASER DIODE DRIVER
y inar im prel
Rev A1, Page 3/13
ABSOLUTE MAXIMUM RATINGS
Beyond these values damage may occur; device operation is not guaranteed. Item No. Symbol Parameter Voltage at VDD Current in VDD Current in CI Current in NERR Current in MD Current in EP, EN, TTL, REGE, NSLP, AVG, NCID Current in VDDL Current in VDDA Current in LDA Current in RSI Current in VSY Current in SYN Current in IMON Voltage at RSI, VSY, SYN, EP, EN, TTL, REGE, AVG, NCID, RGND, MD, CI, IMON, RVDD, LDA, NERR, NSLP ESD Susceptibility at all pins Operating Junction Temperature Storage Temperature Range HBM, 100 pF discharged through 1.5 k -40 -40 DC current DC current DC current DC current V(LDA) = 0 Conditions Min. -0.7 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -0.7 Max. 6 1200 5 20 20 20 1200 1200 1200 20 50 50 20 6 V mA mA mA mA mA mA mA mA mA mA mA mA V Unit
G001 VDD G002 I(VDD) G003 I(CI) G004 I(NERR) G005 I(MD) G006 I()dig G007 I(VDDL) G008 I(VDDA) G009 I(LDA) G010 I(RSI) G011 I(VSY) G012 I(SYN) G013 I(IMON) G014 V()c
G015 Vd() G016 Tj G017 Ts
4 190 190
kV C C
THERMAL DATA
Operating Conditions: VDD = 3...5.5 V Item No. T01 T02 Symbol Ta Rthja Parameter Operating Ambient Temperature Range (extended range on request) Thermal Resistance Chip/Ambient surface mounted, thermal pad soldered to ca. 2 cm heat sink Conditions Min. -20 30 Typ. Max. 85 40 C K/W Unit
All voltages are referenced to ground unless otherwise stated. All currents flowing into the device pins are positive; all currents flowing out of the device pins are negative.
iC-NZP
P-TYPE LASER DIODE DRIVER
y inar im prel
Rev A1, Page 4/13
ELECTRICAL CHARACTERISTICS
Operating Conditions: VDD = 3...5.5 V, VSY = 0 V...VDD, Tj = -20...85 C, NSLP = hi, NCID = hi; unless otherwise stated Item No. 001 002 003 004 005 006 007 008 Symbol Parameter Conditions Min. VDD VSY Ioff(VDD) Idc(VDD) I(VSY) Toff VDDon Vc()hi Permissible Supply Voltage Permissible Supply Voltage at VSY Supply Current in VDD Supply Current in VDD Supply Current in VSY Thermal Shutdown Threshold Power-On Threshold Clamp Voltage hi at RSI, TTL, I() = 0.1 mA, other pins open, VDD = 0 REGE, MD, CI, LDA, VDDA, VDDL, NSLP, IMON, NCID, AVG I() = 1 mA, other pins open, VSY = 0 Clamp Voltage lo at VDD, AVG, I() = 1 mA, other pins open MD, IMON, NCID, EP, EN, TTL, VSY, SYN, RVDD, VDDL, VDDA, CI, LDA, RSI, REGE, NSLP, NERR I() = 1 mA, other pins open, VDD = 0 420 VDD = 3...3.5 V VDD = 4.5...5.5 V V(RSI) = VDD; VDD = 4.5...5.5 V VDD = 3...3.5 V 2.5 0.68 400 400 270 100 V(VDDA) = 0 V; VDD = 3...5.5 V V(REGE) = V(TTL) = V(EP) = VDD, V(LDA) = 0 V, V(MD) = 0; VDD = 3...5.5 V RSI = 680 , VDD = 5.5 V NSLP = lo, V(VDDA) = VDD V(MD) - V(RGND), V(RVDD) - V(MD) for P-type LD, closed control loop closed control loop V(RVDD) - V(MD); V(EP) = 0, V(AVG) = 0, P-type MD TTL = lo, VDD = 3.0...5.5 V TTL = lo, Vd() = |V(EP) - V(EN)| V(EP), V(EN) < VDD - 1.5 V, TTL = lo 1 210 250 500 500 VSY VDD NSLP = lo, all other input pins set to lo RSI 680 SYN pin open 130 1.7 0.3 3 3 5 10 Typ. Max. 5.5 5.5 50 15 10 196 2.8 1.5 V V A mA A C V V Unit
Total Device
009 010
Vc(SYN)hi Clamp Voltage hi to VSY Vc()lo
0.3 -1.5 -0.65
1.5 -0.3
V V
011 101 102 103 104
Vc(VSY)hi Clamp Voltage hi at VSY V(RSI) RSI V(VDDA) Voltage at RSI Permissible Resistor at RSI
6 580 9 9 620 980 820
V mV k k mV mA mA nF
Current Monitor RSI, LDA
VDDA Voltage Monitor Threshold VDD - V(VDDA), V(RSI) = VDD
Ierr(VDDA) Maximum current from VDDA without error signalling Cmin() rIVDDA rILDA Minimum capacitor required at VDDA Current Ratio I(VDDA)max / I(RSI) Current Ratio I(LDA)max / I(RSI)
105 106 107
460
630
530
940 630 20 310 mA k mV
108 109 201
i(LDA) Rdis() V(MD)
Maximum limited current Discharge Resistor at VDDA Reference Voltage
Reference
202 203
dV(MD) V(MD)
Temperature Drift of Voltage at MD Precharge Reference Voltage
120
V/C
230 0.6 200 0.6
280
360 VDD - 1.4
mV V mV
Digital Inputs/Outputs 301 302 303 304 305 306 Vin() Vd() R() Vt(EP)hi Vt(EP)lo Vhys(EP) Input Voltage Range at EP, EN Input Differential Voltage at EP, EN Differential Input Impedance at EP, EN
3 2
k V V mV
Input Threshold Voltage hi at EP TTL = hi, EN = open Input Threshold Voltage lo at EP TTL = hi, EN = open Hysteresis at EP TTL = hi, EN = open 0.8 40
iC-NZP
P-TYPE LASER DIODE DRIVER
y inar im prel
Rev A1, Page 5/13
ELECTRICAL CHARACTERISTICS
Operating Conditions: VDD = 3...5.5 V, VSY = 0 V...VDD, Tj = -20...85 C, NSLP = hi, NCID = hi; unless otherwise stated Item No. 307 308 309 310 311 312 313 314 315 316 317 318 Symbol Ipd(EP) Vt()hi Vt()lo Vhys() Ipu() Ipd() Vs()hi Vs()lo Isc()hi Isc()lo I(NERR) Vs()lo Parameter Pull-Down Current at EP Input Threshold Voltage hi at TTL, REGE, NSLP, AVG, NCID Input Threshold Voltage lo at TTL, REGE, NSLP, AVG, NCID Hysteresis at TTL, REGE, NSLP, AVG, NCID Pull-Up Current at TTL, REGE, NCID Saturation voltage hi at SYN Saturation voltage lo at SYN Short-circuit Current hi at SYN Short-circuit Current lo at SYN Current in NERR Saturation Voltage lo at NERR V() = 0...VDD - 1.2 V 0.8 130 -60 2 230 -2 130 0.4 0.4 -40 3 1 -3 40 20 600 Conditions Min. TTL = hi, EN = open, V() = 1 V...VDD 0.5 Typ. Max. 5 2 A V V mV A A V V mA mA mA mV Unit
Pull-Down Current at NSLP, AVG V() = 1 V...VDD Vs(SYN)hi = VSY - V(SYN), I() = -1 mA, VSY = VDD, EP = TTL = hi, EN = open I() = 1 mA, VSY = VDD, TTL = hi, EP = lo, EN = open EP = TTL = hi, EN = open, V(SYN) = 0 V, VSY = VDD TTL = hi, EP = lo, EN = open, V(SYN) = VSY, VSY = VDD V(NERR) > 0.6 V, error I() = 1 mA, error Vs(LDA)hi = V(VDDL) - V(LDA); RSI = 680 I(LDA) = 300 mA, VDD = 4.5...5.5 V I(LDA) = 100 mA, VDD = 4.5...5.5 V I(LDA) = 60 mA, RSI = 2.5 k VDD = 3...3.5 V
Laser Driver LDA, CI, IMON 401 Vs(LDA)hi Saturation Voltage hi at LDA
1.6 1.2 0.8 0 10 0 20 -2.6 1/320
2.2 2 1.3 300
V V V mA nF A A A I(LDA)
402 403 404
Idc(LDK) C(CI) |I(CI)|
Permissible DC Current in LDA Required Capacitor at CI Charge Current from CI iC active, REGE = hi, V(VDD) - V(CI) = 1 V; NCID = hi NCID = lo iC active, REGE = NCID = lo, V(RSI) = VDD, V(CI) = 0 V...VDD - 1 V V(IMON)=0.5V; I(LDA) < 100 mA, VDD = 3...4.5 V I(LDA) < 300 mA, VDD = 4.5...5.5 V CVDDA = 1 F, RSI = 1 k VDD = 5 V see Fig. 2 VDD = 5 V see Fig. 2 VDD = 5 V
60 -0.3 1/210
405 406
Ipu(CI) Imon()
Pull-Up Current in CI Current at IMON
Timing 501 502 503 504 twu tr tf tp Time to Wakeup: NSLP lo hi to system enable Laser Current Rise Time Laser Current Fall Time Propagation Delay V(EPx, ENx) I(LDAx) 300 1.5 1.5 10 s ns ns ns
iC-NZP
P-TYPE LASER DIODE DRIVER
y inar im prel
Rev A1, Page 6/13
ELECTRICAL CHARACTERISTICS: DIAGRAMS
I(LED) tr
V VDD-0.45V Vt()hi Input/Output
tf
I pk
90% I pk
Vt()lo 0.45V t
1 0
10% I pk
t
Figure 1: Reference levels
Figure 2: Laser current pulse
iC-NZP
P-TYPE LASER DIODE DRIVER
y inar im prel
Rev A1, Page 7/13
DESCRIPTION OF FUNCTIONS iC-NZP is a laser diode pulse driver, which features: * Averaging or peak control * Optical power or current control * Laser current limitation * Pulses of up to 155 MHz in controlled burst mode * Sleep mode with less than 50 A consumption * Extension of the laser current with few external components * Error signalling for overcurrent
OPTICAL POWER CONTROL The iC-NZP supports the control of the laser diode's optical output power (APC) for all common laser diode pin configurations (P, N and M). The control is enabled with pin REGE set to high. With AVG set to low, the peak power control is enabled. The laser power level is selected by means of the resistor RMON (= RMD + PMD). This control mode can be used for frequencies up to ca. 4 Mhz. For higher frequencies the averaging control (AVG = high) or the burst mode have to be used. Tables 4 and 5 show how to set the inputs for laser control depending on the input interface selected (TTL or LVDS).
Laser control in TTL mode (TTL = high/open) EP EN NSLP REGE SYN Mode low/open Power-save mode low/open open high low VDDA charged, laser off high open high high/open high VDDA charged, laser on, regulated high open high low high VDDA charged, laser on, burst mode Table 4: Laser control in TTL mode
Laser control in LVDS mode (TTL = low) EP EN NSLP REGE SYN low/open < EN > EP high low > EN < EP high high/open high > EN < EP high low high
Mode Power-save mode VDDA charged, laser off VDDA charged, laser on, regulated VDDA charged, laser on, burst mode
Table 5: Laser control in LVDS mode RMON dimensioning Peak control (AVG = low): In order to calculate the right value of RMON, the value of IM (monitor current with respect to optical output power) of the laser diode must be known. RMON must be chosen in a way that the monitor current generated by the desired output power creates a voltage drop across RMON of 250 mV (cf. Electrical Characteristics No. 201). Averaging control (AVG = high): In this mode the calculation is the same as in peak control, only the result has to be divided by the duty cycle of the laser pulses, 1 D = T . At a duty cycle of e.g. 50% D = 2 .
iC-NZP
P-TYPE LASER DIODE DRIVER
y inar im prel
Rev A1, Page 8/13
Control modes Averaging Operation mode RMON calculation AVG = 0 AVG = 1 Peak control RMON = Averaging control RMON = Table 6: RMON dimensioning Example By way of example, an output level of 1 mW is to be set. With an optical power of 1 mW e.g. laser diode HL6342G has a typical monitor current (IM) of 15 A. The following value is then obtained for the resistor at pin MD (RMON = PMD + RMD, where RMD is a fixed resistor and PMD a potentiometer.): Best performance recommendations The operating point for the laser diode is stored in an on-chip capacitor. This permits a fast start-up but can lead to an unstable control circuit under certain conditions such as inadequate PCB layout or laser with very low monitor current. In that cases, an external capacitor is to be connected as close as possible to the chip, across pin CI and CIS. This will prevent instability of the control circuit. For averaging control a 10 nF capacitor at CI is recommended. Special care must be taken in PCB layout when laying out the path from the laser diode's cathode to GND. This path must be kept as short as possible to avoid parasitic inductances. A snubber network across the laser diode also helps to compensate for these parasitic inductances. Figures 3, 4 and 5 show the typical set-up for the different P, N and M-type diode configurations.
V (MD) IM V (MD) IMxD
RMON =
0.25 V V (MD) = = 16.67 k IM 15 A
External capacitor mode In applications where an external capacitor is required (see best performance recommendations below), the external capacitor mode must be enabled (pin NCID = low). P-Type diodes
RVDD
+3..+5.5V
VDD RSI
i(RSI)x540 LDA MONITOR
VDDA
CVDD
100 nF.. RSI 0.68.. 9k
NSLP
VDD
iC-NZP
& 1 ECI
CVDDA
100 nF..
VDDL
REGE CIS
PMD ..10 nF.. CI RMD
AVG VSY SYN EP EN
VDD
&
LVDS/TTL + -
REF
+
x280
CI
LDA IMON MD
TTL
VDD
..300mA
NCID INPUT INTERFACE NERR OverTemp. 1 OverCurrent Low V(LDA)
ECI OUTPUT DRIVER
P
Bandgap, Reference, Overtemp OUTPUT MONITOR RGND
GND
T.PAD GND
Figure 3: Circuit example for P-type laser diodes (case grounded)
iC-NZP
P-TYPE LASER DIODE DRIVER
y inar im prel
Rev A1, Page 9/13
M-Type diodes
RVDD
+3..+5.5V
VDD RSI
i(RSI)x540 LDA MONITOR
VDDA
CVDD
100 nF.. RSI 0.68.. 9k
NSLP
VDD
iC-NZP
& 1 ECI
CVDDA
100 nF..
VDDL
REGE CIS
AVG VSY SYN EP EN
VDD
&
..10 nF.. CI
CI
LVDS/TTL + -
REF
+
x280
LDA IMON MD
..300mA
TTL
VDD
NCID INPUT INTERFACE NERR OverTemp. 1 OverCurrent Low V(LDA)
M
ECI OUTPUT DRIVER
RMD
Bandgap, Reference, Overtemp OUTPUT MONITOR
GND
T.PAD GND
PMD
RGND
Figure 4: Circuit example for M-type laser diodes (case grounded) N-Type diodes Althought this type of laser diodes are supported by iC-NZP, it's strongly recommended to use iC-NZN instead, since in this configuration all the pulses at LDA will be coupled directly to pin MD due to monitor photo diode's internal capacitance. Thus making an accurate control much more difficult.
RVDD
+3..+5.5V
VDD RSI
i(RSI)x540 LDA MONITOR
VDDA
CVDD
100 nF.. RSI 0.68.. 9k
NSLP
VDD
iC-NZP
& 1 ECI
CVDDA
100 nF..
VDDL
REGE CIS
AVG VSY SYN EP EN
VDD
&
..10 nF.. CI
CI
LVDS/TTL + -
REF
+
x280
LDA IMON MD
..300mA
TTL
VDD
NCID INPUT INTERFACE NERR OverTemp. 1 OverCurrent Low V(LDA)
ECI OUTPUT DRIVER
N
RMD
Bandgap, Reference, Overtemp OUTPUT MONITOR
GND
T.PAD GND
PMD
RGND
Figure 5: Circuit example for N-type laser diodes
iC-NZP
P-TYPE LASER DIODE DRIVER
y inar im prel
Rev A1, Page 10/13
LASER CURRENT LIMITATION iC-NZP monitors the average laser current flowing from pin VDDA (Figure 6). The DC current limit is set by means of a resistor at pin RSI.
CVDDA
i(RSI)x540 RSI 0.5V VDD-0.5V
RSI @ VDD VDD VDDA
CVDD
100 nF.. RSI
100 nF..
When dimensioning resistor RSI the following applies (cf. Electrical Characteristics No. 106):
-
0.68..9 k
+
Imax (VDDA) = 540 x
NSLP
0.5 V RSI
NERR Overcurrent
1
OverTemp.
If no current limitation is required, pin RSI must be connected to VDD to disable this feature. Short pulses at VDDA with higher currents are possible as only the DC current is monitored and capacitor CVDDA supplies the current for short pulses.
Figure 6: iC-NZP VDDA current limitation
BURST MODE In controlled burst mode iC-NZP can pulse with up to 155 MHz. Controlled here means that a pre-set operating point is maintained during the burst phase. Therefore an operating point is settled first, for which pin REGE has to be high and the laser must be switched on. Once the operating point has been reached the laser can be switched off again. The operating point is stored in an on-chip capacitor and when REGE is set to low, the burst mode is activated. The pre-set operating point is maintained. To prevent the laser current from rising due to residual currents, the capacitor is discharged with a maximum of 150 nA (cf. Electrical Characteristics No. 405). For a longer burst mode, an external capacitor can be connected to pin CI. As the capacitor is discharged gradually, the output level must be re-settled again after a certain period, depending on the admissible degradation of the laser output power.
CURRENT CONTROL The iC-NZP also supports laser current control, when no monitor diode is present. For that purpose, a fraction of the current flowing trough the laser is provided at IMON pin (ILDA / 280, cf. Electrical Characteristics No. 406). The laser current is set by means of resistor RMON (= RMD + PMD). Figure 7 shows the typical set-up for current control.
Control modes Averaging Operation mode AVG = 0 AVG = 1 Averaging control
RMON calculation RMON =
V (RVDD)-V (MD) IM V (RVDD)-V (MD) IMxD
Peak current control RMON =
Table 7: Current control set-up
iC-NZP
P-TYPE LASER DIODE DRIVER
y inar im prel
Rev A1, Page 11/13 low monitor current. In that cases, an external capacitor is to be connected as close as possible to the chip, across pin CI and CIS. This will prevent instability of the control circuit. For averaging control a 10 nF capacitor at CI is recommended. Special care must be taken in PCB layout when laying out the path from the laser diode's cathode to GND. This path must be kept as short as possible to avoid parasitic inductances. A snubber network across the laser diode also helps to compensate for these parasitic inductances.
External capacitor mode In applications where an external capacitor is required (see best performance recommendations below), the external capacitor mode must be enabled (NCID pin set to low). Best performance recommendations The operating point for the laser diode is stored in an on-chip capacitor. This permits a fast start-up but can lead to an unstable control circuit under certain conditions such as inadequate PCB layout or laser with very
RVDD
+3..+5.5V
VDD RSI
i(RSI)x540 LDA MONITOR
VDDA
CVDD
100 nF.. RSI 0.68.. 9k
NSLP
VDD
iC-NZP
& 1 ECI
CVDDA
100 nF..
VDDL
REGE CIS
AVG VSY SYN EP EN
VDD
&
..10 nF.. CI
CI
LVDS/TTL + -
REF
+
x280
LDA IMON MD
TTL
VDD
..300mA
NCID INPUT INTERFACE NERR OverTemp. 1 OverCurrent Low V(LDA)
ECI OUTPUT DRIVER
RMD
Bandgap, Reference, Overtemp OUTPUT MONITOR RGND
PMD
GND
T.PAD GND
Figure 7: Example set-up for current control
SLEEP MODE The iC-NZP has a very low consuption mode that permits hibernation in battery powered applications. Setting the NSLP pin to low drives the chip into a state where the VDDA pin is disconnected as supply and pulled down. The wake up from sleep time is about 300 s
iC-NZP
P-TYPE LASER DIODE DRIVER
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Rev A1, Page 12/13
iC-Haus expressly reserves the right to change its products and/or specifications. An Infoletter gives details as to any amendments and additions made to the relevant current specifications on our internet website www.ichaus.de/infoletter; this letter is generated automatically and shall be sent to registered users by email. Copying - even as an excerpt - is only permitted with iC-Haus approval in writing and precise reference to source. iC-Haus does not warrant the accuracy, completeness or timeliness of the specification on this site and does not assume liability for any errors or omissions in the materials. The data specified is intended solely for the purpose of product description. No representations or warranties, either express or implied, of merchantability, fitness for a particular purpose or of any other nature are made hereunder with respect to information/specification or the products to which information refers and no guarantee with respect to compliance to the intended use is given. In particular, this also applies to the stated possible applications or areas of applications of the product. iC-Haus conveys no patent, copyright, mask work right or other trade mark right to this product. iC-Haus assumes no liability for any patent and/or other trade mark rights of a third party resulting from processing or handling of the product and/or any other use of the product. As a general rule our developments, IPs, principle circuitry and range of Integrated Circuits are suitable and specifically designed for appropriate use in technical applications, such as in devices, systems and any kind of technical equipment, in so far as they do not infringe existing patent rights. In principle the range of use is limitless in a technical sense and refers to the products listed in the inventory of goods compiled for the 2008 and following export trade statistics issued annually by the Bureau of Statistics in Wiesbaden, for example, or to any product in the product catalogue published for the 2007 and following exhibitions in Hanover (Hannover-Messe). We understand suitable application of our published designs to be state-of-the-art technology which can no longer be classed as inventive under the stipulations of patent law. Our explicit application notes are to be treated only as mere examples of the many possible and extremely advantageous uses our products can be put to.
iC-NZP
P-TYPE LASER DIODE DRIVER
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Rev A1, Page 13/13
ORDERING INFORMATION
Type iC-NZP
Package QFN24 4 mm x 4 mm Evaluation Board
Order Designation iC-NZP QFN24 iC-NZP EVAL NZP1D
For technical support, information about prices and terms of delivery please contact: iC-Haus GmbH Am Kuemmerling 18 D-55294 Bodenheim GERMANY Tel.: +49 (61 35) 92 92-0 Fax: +49 (61 35) 92 92-192 Web: http://www.ichaus.com E-Mail: sales@ichaus.com
Appointed local distributors: http://www.ichaus.com/sales_partners

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