Datasheet

IP4085_4385_4386_4387_CX4 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 2 — 14 December 2012 5 of 18
NXP Semiconductors
IP4085/4385/4386/4387/CX4
Integrated high-performance ESD protection diodes
7. Application information
7.1 Forward current DC clamping voltage
The forward current DC clamping voltage is an indicator of protection level of circuit from
voltage sources with the wrong polarity. Figure 1
shows basic measurement setup.
Fig 1. Measuring DC clamping voltage with forward current
V
006aad221
I
F
V
CL
(1) T
amb
= +25 C
(2) T
amb
= +85 C
(3) T
amb
= 30 C
(1) T
amb
= +25 C
(2) T
amb
= +85 C
(3) T
amb
= 30 C
Fig 2. IP4085CX4: DC clamping voltage as a function
of forward current
Fig 3. IP4385CX4: DC clamping voltage as a function
of forward current
I
F
(A)
0 1.00.80.4 0.60.2
001aaj241
0.9
0.8
1.0
1.1
V
CL
(V)
0.7
(1)
(2)
(3)
I
F
(A)
0 1.00.80.4 0.60.2
001aaj242
0.9
0.8
1.0
1.1
V
CL
(V)
0.7
(1)
(2)
(3)