IP4386CX4 [NXP]

Integrated high-performance ESD-protection diodes to IEC61000-4-2, level 4; 集成高性能ESD保护二极管IEC61000-4-2 , 4级
IP4386CX4
型号: IP4386CX4
厂家: NXP    NXP
描述:

Integrated high-performance ESD-protection diodes to IEC61000-4-2, level 4
集成高性能ESD保护二极管IEC61000-4-2 , 4级

二极管
文件: 总16页 (文件大小:84K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
IP4085CX4; IP4385CX4;  
IP4386CX4; IP4387CX4  
Integrated high-performance ESD-protection diodes to  
IEC61000-4-2, level 4  
Rev. 01 — 26 March 2009  
Product data sheet  
1. Product profile  
1.1 General description  
IP4085CX4, IP4385CX4, IP4386CX4 and IP4387CX4 are designed to protect appliances  
from destruction by either:  
ElectroStatic Discharges (ESD) of ±30 kV, far exceeding IEC 61000-4-2 standard,  
level 4  
overvoltage  
wrong polarity  
Each device has a single high-performance ESD-protection diode with the anode and  
cathode each connected to two solder balls. The IP4085CX4, IP4385CX4, IP4386CX4  
and IP4387CX4 are fabricated using monolithic silicon technology in a Wafer-Level  
Chip-Scale Package (WLCSP) with a pitch of 0.4 mm (IP438xCX4) or 0.5 mm  
(IP4085CX4).  
1.2 Features  
I Pb-free, RoHS and Dark Green compliant  
I Single integrated high-performance ESD-protection diode  
I Surge immunity according to IEC 61000-4-5 (8/20 µs) up to 60 A (IP4085CX4)  
I ESD protection of >30 kV contact discharge, far exceeding IEC 61000-4-2 standard,  
level 4  
I Small 2 × 2 solder ball WLCSP package with 0.4 mm or 0.5 mm pitch  
1.3 Applications  
I General purpose ESD-protection such as for charger interfaces in:  
N Cellular and PCS mobile handsets  
N Cordless telephones  
N Wireless data (WAN/LAN) systems  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
2. Pinning information  
IP4085CX4  
IP438xCX4  
ball A1  
index area  
1
2
A
B
001aaj238  
Transparent top view  
Fig 1. Pin configuration IP4085CX4; IP4385CX4; IP4386CX4; IP4387CX4  
Table 1.  
Pin  
Pinning  
Description  
diode cathode  
diode anode  
A1 and A2  
B1 and B2  
3. Ordering information  
Table 2.  
Ordering information  
Type number  
Package  
Name  
Description  
Version  
IP4085CX4/LF  
IP4385CX4/LF  
IP4386CX4/LF  
IP4387CX4/LF  
WLCSP4  
WLCSP4  
WLCSP4  
WLCSP4  
wafer level chip-size package: 4 bumps; 0.91 × 0.91 × 0.65 mm  
wafer level chip-size package: 4 bumps; 0.76 × 0.76 × 0.61 mm  
wafer level chip-size package: 4 bumps; 0.76 × 0.76 × 0.61 mm  
wafer level chip-size package: 4 bumps; 0.76 × 0.76 × 0.61 mm  
IP4085CX4/LF  
IP438xCX4/LF  
IP438xCX4/LF  
IP438xCX4/LF  
4. Functional diagram  
A1  
B1  
A2  
B2  
001aaj239  
Fig 2. Schematic diagram IP4085CX4; IP4385CX4; IP4386CX4; IP4387CX4  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
2 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
5. Limiting values  
Table 3.  
Limiting values  
In accordance with the Absolute Maximum Rating System (IEC 60134).  
Symbol  
Parameter  
Conditions  
Min  
Max  
Unit  
VCC  
supply voltage  
IP4085CX4/LF;  
IP4386CX4/LF  
0.5  
+14  
V
IP4385CX4/LF  
IP4387CX4/LF  
all pins to ground  
contact discharge  
air discharge  
0.5  
0.5  
+5.5  
+8.0  
V
V
VESD  
electrostatic discharge voltage  
[1]  
[1]  
30  
15  
+30  
+15  
kV  
kV  
IEC 61000-4-2, level 4;  
all pins to ground  
contact discharge  
air discharge  
8  
+8  
kV  
kV  
15  
+15  
IPP  
peak pulse current  
IEC 61000-4-5;  
tp = 8/20 µs  
IP4085CX4  
60  
33  
-
-
A
A
IP4385CX4;  
IP4387CX4  
IP4386CX4  
28  
-
A
IFSM  
non-repetitive peak forward  
current  
10 pulses; 1 pulse per  
second  
IP4085CX4;  
IP4386CX4;  
tp = 2 ms  
10  
8.5  
3.5  
11  
9
-
-
-
-
-
-
A
A
A
A
A
A
IP4085CX4;  
IP4386CX4;  
tp = 5 ms  
IP4085CX4;  
IP4386CX4;  
tp = 100 ms  
IP4385CX4;  
IP4387CX4;  
tp = 2 ms  
IP4385CX4;  
IP4387CX4;  
tp = 5 ms  
IP4385CX4;  
IP4387CX4;  
tp = 100 ms  
5
[2]  
[3]  
[3]  
Ptot  
total power dissipation  
forward conducting  
IP4085CX4  
-
-
1
W
W
IP4385CX4;  
IP4386CX4;  
IP4387CX4  
0.7  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
3 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
Table 3.  
Limiting values …continued  
In accordance with the Absolute Maximum Rating System (IEC 60134).  
Symbol  
Tstg  
Parameter  
Conditions  
Min  
55  
-
Max  
+150  
260  
Unit  
°C  
storage temperature  
peak reflow temperature  
ambient temperature  
Treflow(peak)  
Tamb  
10 s maximum  
°C  
30  
+85  
°C  
[1] Device tested with over 1000 pulses of ±30 kV contact discharges, according to the IEC 61000-4-2 model.  
[2] Severe self-heating demands a heat-dissipation optimized PCB to prevent the device from de-soldering. For ambient temperatures  
above 50 °C, the guaranteed life time is 48 hours at 0.7 W, assuming Rth to be 130 K/W as specified in Table 4.  
[3] Permanent operation at maximum power dissipation and above maximum junction temperature will result in a reduced life time.  
6. Thermal characteristics  
Table 4.  
Symbol  
Rth(j-a)  
Thermal characteristics  
Parameter  
Conditions  
Typ  
-
Unit  
thermal resistance from junction on a 2-layer PCB  
to ambient  
[1]  
IP4085CX4;  
130  
K/W  
IP4385CX4;  
IP4386CX4;  
IP4387CX4  
[1] Depends on details of layout.  
7. Characteristics  
Table 5.  
Electrical characteristics  
Tamb = 25 °C; unless otherwise specified.  
Symbol  
Parameter  
Conditions  
Min  
Typ  
Max  
Unit  
VBR  
breakdown voltage  
IR = 15 mA  
IP4085CX4; IP4386CX4  
IP4385CX4  
16  
7.0  
10  
-
-
-
-
-
-
V
V
V
IP4387CX4  
VCL(trt)  
transient clamping voltage  
IR = 1 A; Tamb 85 °C at surge peak  
pulse according to IEC 61000-4-5  
IP4085CX4  
IP4385CX4  
IP4386CX4  
IP4387CX4  
-
-
-
-
-
-
-
-
20.0  
10.0  
20.0  
13.0  
V
V
V
V
ILR  
reverse leakage current  
IP4085CX4; IP4385CX4  
IP4386CX4  
VR = +5.0 V  
VR = +14.0 V  
VR = +8.0 V  
-
-
-
-
-
-
200  
200  
800  
nA  
nA  
nA  
IP4387CX4  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
4 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
Table 5.  
Electrical characteristics …continued  
Tamb = 25 °C; unless otherwise specified.  
Symbol  
Parameter  
Conditions  
Min  
Typ  
Max  
Unit  
Cd  
diode capacitance  
IP4085CX4  
DC bias VR = 0 V; f = 1 MHz  
-
-
-
-
180  
450  
160  
290  
-
-
-
-
pF  
pF  
pF  
pF  
IP4385CX4  
IP4386CX4  
IP4387CX4  
VFd  
diode forward voltage  
IP4085CX4  
IF = 850 mA  
T
amb +25 °C  
30 °C Tamb +85 °C  
amb +25 °C  
30 °C Tamb +85 °C  
amb +25 °C  
30 °C Tamb +85 °C  
amb +25 °C  
30 °C Tamb +85 °C  
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.15  
1.3  
V
V
V
V
V
V
V
V
IP4385CX4  
IP4386CX4  
IP4387CX4  
T
1.0  
1.1  
T
1.15  
1.3  
T
1.10  
1.25  
8. Application information  
8.1 Forward current DC clamping voltage  
The forward current DC clamping voltage is of interest when protecting circuits from  
voltage sources with the wrong polarity. Figure 3 shows the basic measurement setup.  
V
CL  
I
F
V
001aaj240  
Fig 3. Measuring DC clamping voltage with forward current  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
5 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
001aaj241  
001aaj242  
1.1  
1.1  
V
V
CL  
CL  
(V)  
(V)  
(1)  
(2)  
(3)  
1.0  
1.0  
(1)  
(2)  
(3)  
0.9  
0.8  
0.7  
0.9  
0.8  
0.7  
0
0.2  
0.4  
0.6  
0.8  
1.0  
0
0.2  
0.4  
0.6  
0.8  
1.0  
I
(A)  
I (A)  
F
F
(1) Tamb = +25 °C.  
(2) Tamb = +85 °C.  
(3) Tamb = 30 °C.  
(1) Tamb = +25 °C.  
(2) Tamb = +85 °C.  
(3) Tamb = 30 °C.  
Fig 4. DC clamping voltage as a function of forward  
current; IP4085CX4  
Fig 5. DC clamping voltage as a function of forward  
current; IP4385CX4  
001aaj243  
001aaj244  
1.1  
1.1  
V
(V)  
V
CL  
(V)  
CL  
(1)  
(2)  
(3)  
(1)  
(2)  
(3)  
1.0  
1.0  
0.9  
0.8  
0.7  
0.9  
0.8  
0.7  
0
0.2  
0.4  
0.6  
0.8  
1.0  
0
0.2  
0.4  
0.6  
0.8  
1.0  
I
(A)  
I (A)  
F
F
(1) Tamb = +25 °C.  
(2) Tamb = +85 °C.  
(3) Tamb = 30 °C.  
(1) Tamb = +25 °C.  
(2) Tamb = +85 °C.  
(3) Tamb = 30 °C.  
Fig 6. DC clamping voltage as a function of forward  
current; IP4386CX4  
Fig 7. DC clamping voltage as a function of forward  
current; IP4387CX4  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
6 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
8.2 Peak clamping voltage  
The peak clamping voltage for forward and reverse current pulses of 8/20 µs  
(IEC 61000-4-5) is significant when protecting circuits from power surges due to voltage  
discharges. The current pulse shape over time is shown in Figure 9. The basic  
measurement setup for forward current and reverse current pulses respectively are shown  
in Figure 8 and Figure 14.  
V
CL(M)  
V
I
PP  
001aaj245  
Fig 8. Measuring peak clamping voltage with forward current  
001aaj558  
120  
100 % I ; 8 µs  
PP  
I
PP  
(%)  
80  
t  
e
50 % I ; 20 µs  
PP  
40  
0
0
10  
20  
30  
40  
t (µs)  
Fig 9. 8/20 µs current pulse waveform according to IEC 61000-4-5  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
7 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
001aaj247  
001aaj248  
17  
20  
V
CL(M)  
(V)  
V
CL(M)  
(V)  
15  
13  
11  
9
(3)  
16  
12  
8
(1)  
(3)  
(2)  
(1)  
(2)  
7
20  
28  
36  
44  
20  
28  
36  
44  
I
(A)  
I (A)  
F
F
(1) Tamb = +25 °C.  
(2) Tamb = +85 °C.  
(3) Tamb = 30 °C.  
(1) Tamb = +25 °C.  
(2) Tamb = +85 °C.  
(3) Tamb = 30 °C.  
Fig 10. Peak clamping voltage as a function of forward  
current; IP4085CX4  
Fig 11. Peak clamping voltage as a function of forward  
current; IP4385CX4  
001aaj249  
001aaj250  
20  
20  
(3)  
(2)  
V
(1)  
V
CL(M)  
(V)  
CL(M)  
(V)  
16  
12  
8
16  
12  
8
(2)  
(3)  
(1)  
20  
28  
36  
44  
20  
28  
36  
44  
I
(A)  
I (A)  
F
F
(1) Tamb = +25 °C.  
(2) Tamb = +85 °C.  
(3) Tamb = 30 °C.  
(1) Tamb = +25 °C.  
(2) Tamb = +85 °C.  
(3) Tamb = 30 °C.  
Fig 12. Peak clamping voltage as a function of forward  
current; IP4386CX4  
Fig 13. Peak clamping voltage as a function of forward  
current; IP4387CX4  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
8 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
V
CL(M)  
V
I
PP  
001aaj246  
Fig 14. Measuring peak clamping voltage with reverse current  
001aaj251  
8.75  
001aaj252  
19  
V
CL(M)  
(V)  
(2)  
V
CL(M)  
(V)  
8.50  
8.25  
8.00  
7.75  
7.50  
(2)  
(1)  
18  
17  
16  
(1)  
(3)  
(3)  
0.2  
0.4  
0.6  
0.8  
1.0  
1.2  
1.4  
(A)  
1.6  
0.4  
0.8  
1.2  
1.6  
I
I (A)  
R
R
(1) Tamb = +25 °C.  
(2) Tamb = +85 °C.  
(3) Tamb = 30 °C.  
(1) Tamb = +25 °C.  
(2) Tamb = +85 °C.  
(3) Tamb = 30 °C.  
Fig 15. Peak clamping voltage as a function of reverse  
current; IP4085CX4  
Fig 16. Peak clamping voltage as a function of reverse  
current; IP4385CX4  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
9 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
001aaj253  
001aaj254  
19  
12.2  
(2)  
V
V
CL(M)  
(V)  
CL(M)  
(V)  
(2)  
18  
17  
16  
11.8  
11.4  
11.0  
(1)  
(3)  
(1)  
(3)  
0.3  
0.7  
1.1  
1.5  
0.4  
0.8  
1.2  
1.6  
I
(A)  
I (A)  
R
R
(1) Tamb = +25 °C.  
(2) Tamb = +85 °C.  
(3) Tamb = 30 °C.  
(1) Tamb = +25 °C.  
(2) Tamb = +85 °C.  
(3) Tamb = 30 °C.  
Fig 17. Peak clamping voltage as a function of reverse  
current; IP4386CX4  
Fig 18. Peak clamping voltage as a function of reverse  
current; IP4387CX4  
Remark: Measurements done on a heat-dissipation optimized PCB with massive copper  
area under the DUT.  
9. Marking  
ball A1  
index area  
1
2
A
B
lot/date code information  
(characters are marked  
upside down)  
001aaj255  
Transparent top view  
Fig 19. Marking of IP4085CX4, IP4385CX4, IP4386CX4 and IP4387CX4  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
10 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
10. Package outline  
WLCSP4: wafer level chip-size package; 4 bumps; 0.91 x 0.91 x 0.65 mm  
IP4085CX4/LF  
D
B
A
ball A1  
index area  
E
A
A
1
detail X  
e
C
y
b
v
C A  
B
B
e
A
ball A1  
index area  
1
2
X
0
0.5  
scale  
1 mm  
Dimensions  
Unit  
A
A
b
D
E
e
v
y
1
max 0.70 0.26 0.37 0.96 0.96  
mm nom 0.65 0.24 0.32 0.91 0.91 0.5 0.005 0.02  
min 0.60 0.22 0.27 0.86 0.86  
ip4085cx4_lf_po  
Issue date  
References  
Outline  
version  
European  
projection  
IEC  
JEDEC  
JEITA  
IP4085CX4/LF  
08-12-04  
Fig 20. Package outline IP4085CX4/LF (WLCSP4)  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
11 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
WLCSP4: wafer level chip-size package; 4 bumps; 0.76 x 0.76 x 0.61 mm  
IP438xCX4/LF  
D
B
A
ball A1  
index area  
E
A
A
1
detail X  
e
C
y
b
v
C A  
B
B
e
A
ball A1  
index area  
1
2
X
0
y
0.25  
0.5 mm  
scale  
Dimensions  
Unit  
A
A
b
D
E
e
v
1
max 0.66 0.22 0.31 0.81 0.81  
mm nom 0.61 0.20 0.26 0.76 0.76 0.4 0.005 0.02  
min 0.56 0.18 0.21 0.71 0.71  
ip438xcx4_lf_po  
Issue date  
References  
Outline  
version  
European  
projection  
IEC  
JEDEC  
JEITA  
IP438xCX4/LF  
08-12-04  
Fig 21. Package outline IP438xCX4/LF (WLCSP4)  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
12 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
11. Design and assembly recommendations  
11.1 PCB design guidelines  
For optimum performance it is recommended to use a Non-Solder Mask PCB Design  
(NSMD), also known as a copper-defined design, incorporating laser-drilled micro-vias  
connecting the ground pads to a buried ground-plane layer. This results in the lowest  
possible ground inductance and provides the best high frequency and ESD performance.  
For this case, refer to Table 6 for the recommended PCB design parameters.  
Table 6.  
Recommended PCB design parameters  
Parameter  
Value or Specification  
200 µm  
PCB pad diameter  
Micro-via diameter  
Solder mask aperture diameter  
Copper thickness  
Copper finish  
100 µm (0.004 inch)  
370 µm  
20 µm to 40 µm  
AuNi  
PCB material  
FR4  
11.2 PCB assembly guidelines for Pb-free soldering  
Table 7.  
Assembly recommendations  
Parameter  
Value or Specification  
330 µm  
Solder screen aperture diameter  
Solder screen thickness  
Solder paste: Pb-free  
Solder/flux ratio  
100 µm (0.004 inch)  
SnAg (3 % to 4 %) Cu (0.5 % to 0.9 %)  
50/50  
Solder reflow profile  
see Figure 22  
T
(°C)  
T
reflow(peak)  
250  
230  
217  
cooling rate  
pre-heat  
t (s)  
t
t
2
1
t
t
3
4
t
5
001aai943  
The device is capable of withstanding at least three reflows of this profile.  
Fig 22. Pb-free solder reflow profile  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
13 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
Table 8.  
Symbol  
Treflow(peak) peak reflow temperature  
Reflow soldering process characteristics  
Parameter  
Conditions  
Min  
230  
60  
-
Typ  
Max Unit  
-
-
-
-
-
-
-
-
260  
180  
30  
°C  
s
t1  
time 1  
time 2  
time 3  
time 4  
time 5  
soak time  
t2  
time during T 250 °C  
time during T 230 °C  
time during T > 217 °C  
s
t3  
10  
30  
-
50  
s
t4  
150  
540  
6  
s
t5  
s
dT/dt  
rate of change of  
temperature  
cooling rate  
pre-heat  
-
°C/s  
°C/s  
2.5  
4.0  
12. Abbreviations  
Table 9.  
Abbreviations  
Description  
Acronym  
DUT  
Device Under Test  
FR4  
Flame Retard 4  
LAN  
Local Area Network  
Printed-Circuit Board  
PCB  
PCS  
Personal Communication System  
Restriction of Hazardous Substances  
Wide Area Network  
RoHS  
WAN  
WLCSP  
Wafer-Level Chip-Scale Package  
13. Revision history  
Table 10. Revision history  
Document ID  
Release date  
Data sheet status  
Change notice  
Supersedes  
IP4085_4385_4386_4387_CX4_1  
20090326  
Product data sheet  
-
-
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
14 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
14. Legal information  
14.1 Data sheet status  
Document status[1][2]  
Product status[3]  
Development  
Definition  
Objective [short] data sheet  
This document contains data from the objective specification for product development.  
This document contains data from the preliminary specification.  
This document contains the product specification.  
Preliminary [short] data sheet Qualification  
Product [short] data sheet Production  
[1]  
[2]  
[3]  
Please consult the most recently issued document before initiating or completing a design.  
The term ‘short data sheet’ is explained in section “Definitions”.  
The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status  
information is available on the Internet at URL http://www.nxp.com.  
damage. NXP Semiconductors accepts no liability for inclusion and/or use of  
NXP Semiconductors products in such equipment or applications and  
therefore such inclusion and/or use is at the customer’s own risk.  
14.2 Definitions  
Draft — The document is a draft version only. The content is still under  
internal review and subject to formal approval, which may result in  
modifications or additions. NXP Semiconductors does not give any  
representations or warranties as to the accuracy or completeness of  
information included herein and shall have no liability for the consequences of  
use of such information.  
Applications — Applications that are described herein for any of these  
products are for illustrative purposes only. NXP Semiconductors makes no  
representation or warranty that such applications will be suitable for the  
specified use without further testing or modification.  
Limiting values — Stress above one or more limiting values (as defined in  
the Absolute Maximum Ratings System of IEC 60134) may cause permanent  
damage to the device. Limiting values are stress ratings only and operation of  
the device at these or any other conditions above those given in the  
Characteristics sections of this document is not implied. Exposure to limiting  
values for extended periods may affect device reliability.  
Short data sheet — A short data sheet is an extract from a full data sheet  
with the same product type number(s) and title. A short data sheet is intended  
for quick reference only and should not be relied upon to contain detailed and  
full information. For detailed and full information see the relevant full data  
sheet, which is available on request via the local NXP Semiconductors sales  
office. In case of any inconsistency or conflict with the short data sheet, the  
full data sheet shall prevail.  
Terms and conditions of sale — NXP Semiconductors products are sold  
subject to the general terms and conditions of commercial sale, as published  
at http://www.nxp.com/profile/terms, including those pertaining to warranty,  
intellectual property rights infringement and limitation of liability, unless  
explicitly otherwise agreed to in writing by NXP Semiconductors. In case of  
any inconsistency or conflict between information in this document and such  
terms and conditions, the latter will prevail.  
14.3 Disclaimers  
General — Information in this document is believed to be accurate and  
reliable. However, NXP Semiconductors does not give any representations or  
warranties, expressed or implied, as to the accuracy or completeness of such  
information and shall have no liability for the consequences of use of such  
information.  
No offer to sell or license — Nothing in this document may be interpreted  
or construed as an offer to sell products that is open for acceptance or the  
grant, conveyance or implication of any license under any copyrights, patents  
or other industrial or intellectual property rights.  
Right to make changes — NXP Semiconductors reserves the right to make  
changes to information published in this document, including without  
limitation specifications and product descriptions, at any time and without  
notice. This document supersedes and replaces all information supplied prior  
to the publication hereof.  
Export control — This document as well as the item(s) described herein  
may be subject to export control regulations. Export might require a prior  
authorization from national authorities.  
Suitability for use — NXP Semiconductors products are not designed,  
authorized or warranted to be suitable for use in medical, military, aircraft,  
space or life support equipment, nor in applications where failure or  
malfunction of an NXP Semiconductors product can reasonably be expected  
to result in personal injury, death or severe property or environmental  
14.4 Trademarks  
Notice: All referenced brands, product names, service names and trademarks  
are the property of their respective owners.  
15. Contact information  
For more information, please visit: http://www.nxp.com  
For sales office addresses, please send an email to: salesaddresses@nxp.com  
IP4085_4385_4386_4387_CX4_1  
© NXP B.V. 2009. All rights reserved.  
Product data sheet  
Rev. 01 — 26 March 2009  
15 of 16  
IP4085/4385/4386/4387/CX4  
NXP Semiconductors  
Integrated high-performance ESD-protection diodes  
16. Contents  
1
Product profile . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
1.1  
1.2  
1.3  
General description. . . . . . . . . . . . . . . . . . . . . . 1  
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
2
3
4
5
6
7
Pinning information. . . . . . . . . . . . . . . . . . . . . . 2  
Ordering information. . . . . . . . . . . . . . . . . . . . . 2  
Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2  
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Thermal characteristics. . . . . . . . . . . . . . . . . . . 4  
Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . 4  
8
8.1  
8.2  
Application information. . . . . . . . . . . . . . . . . . . 5  
Forward current DC clamping voltage . . . . . . . 5  
Peak clamping voltage . . . . . . . . . . . . . . . . . . . 7  
9
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 11  
10  
11  
11.1  
11.2  
Design and assembly recommendations . . . 13  
PCB design guidelines . . . . . . . . . . . . . . . . . . 13  
PCB assembly guidelines for Pb-free  
soldering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13  
12  
13  
Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 14  
Revision history. . . . . . . . . . . . . . . . . . . . . . . . 14  
14  
Legal information. . . . . . . . . . . . . . . . . . . . . . . 15  
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 15  
Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15  
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 15  
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 15  
14.1  
14.2  
14.3  
14.4  
15  
16  
Contact information. . . . . . . . . . . . . . . . . . . . . 15  
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16  
Please be aware that important notices concerning this document and the product(s)  
described herein, have been included in section ‘Legal information’.  
© NXP B.V. 2009.  
All rights reserved.  
For more information, please visit: http://www.nxp.com  
For sales office addresses, please send an email to: salesaddresses@nxp.com  
Date of release: 26 March 2009  
Document identifier: IP4085_4385_4386_4387_CX4_1  

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