IP4085CX4SLASHLF datasheet(5/16 Pages) NXP

5 / 16 page

IP4085_4385_4386_4387_CX4_1

Product data sheet

Rev. 01 — 26 March 2009

5 of 16

NXP Semiconductors

IP4085/4385/4386/4387/CX4

Integrated high-performance ESD-protection diodes

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.

diode capacitance

DC bias VR = 0 V; f = 1 MHz

IP4085CX4

180

IP4385CX4

450

IP4386CX4

160

IP4387CX4

290

VFd

diode forward voltage

IF = 850 mA

IP4085CX4

Tamb ≥ +25 °C

1.15

−30 °C ≤ Tamb ≤ +85 °C

1.3

IP4385CX4

Tamb ≥ +25 °C

1.0

−30 °C ≤ Tamb ≤ +85 °C

1.1

IP4386CX4

Tamb ≥ +25 °C

1.15

−30 °C ≤ Tamb ≤ +85 °C

1.3

IP4387CX4

Tamb ≥ +25 °C

1.10

−30 °C ≤ Tamb ≤ +85 °C

1.25

Table 5.

Electrical characteristics …continued

Tamb = 25 °C; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Fig 3.

Measuring DC clamping voltage with forward current

001aaj240

VCL

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