California Micro Devices PACDN016M, PACDN016S Datasheet

CALIFORNIA MICRO DEVICES

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PAC DN016

6 CHANNEL ESD PROTECTION ARRAY WITH ZENER SUPPLY CLAMP

Features

 Six channels of ESD protection

 Integral Zener diode clamp to suppress

supply rail transient

 15KV ESD protection (HBM)

 8KV contact, 15KV air ESD protection

per IEC 61000-4-2

 Low loading capacitance, 3pF typ

 Miniature 8-pin MSOP or SOIC package

Product Description

The PAC DN016 is a diode array designed to provide 6 channels of ESD protection for electronic components or sub-

systems. Each channel consists of a pair of diodes which steers the ESD current pulse either to the positive (V

negative (V

) supply. In addition, there is an integral Zener diode between V

N

disturbance due to these ESD current pulses. The PAC DN016 will protect against ESD pulses up to 15KV Human

Body Model, and 8KV contact discharge per International Standard IEC 61000-4-2.

This device is particularly well-suited for portable electronics (e.g. cellular phones, PDAs, notebook computers) because of

its small package footprint, high ESD protection level, and low loading capacitance. It is also suitable for protecting video

output lines and I/O ports in computers and peripheral equipment.

Applications

 I/O port protection for cellular

phones, notebook computers, PDAs, etc.

 ESD protection for VGA (Video) port in

PCs or Notebook computers.

 ESD protection for sensitive

electronic equipment.

and VN to suppress any voltage

P

P

) or

ABSOLUTE MAXIMUM RATINGS

Diode Forward DC Current

Storage Temperature -65°C to 150°C

Operating Temperature Range -20°C to 85°C

DC Voltage at any Channel Input VN-0.5V to VP+0.5V

Note 1: Only one diode conducting at a time.

© 1999 Calirornia Micro Devices Corp. All rights reserved.

11/99

Note 2: From I/O pins to VP or VN only. Bypass opacitor between VP and VN is not required. However, a 0.2 µF ceramic chip

Note 3: Human Body Model per MIL-STD-883, Method 3015, C

Note 4: This parameter is guaranteed by design and characterization.

Note 5: Standard IEC 61000-4-2 with C

capacitor bypassing V

215 Topaz Street, Milpitas, California 95035 Tel: [phone] Fax: [phone] www.calmicro.com

SCHEMATIC CONFIGURATION

(Note 1) 20mA

to VN is recommended if the lowest possible channel clamp voltage is desired.

P

=150pF, and R

PAC is a trademark of California Micro Devices Corp.

Discharge

Discharge

=100pF, R

Discharge

=330Ω, VP=5V, VN=GND.

Discharge

=1.5KΩ, VP=5.0V, VN=GND.

C0540399

1

CALIFORNIA MICRO DEVICES

)

Input Capacita nce vs. Input Voltage

5

4

3

2

1

Input Capacitance (pF

0

012345

Input Voltage

Typical variation of CIN with VIN (VP=5V, VN=0V)

= 5V, V

(V

P

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8CIOSS610NDCAP
8POSMM610NDCAP

When placing an order please specify desired shipping: Tubes or Tape & Reel.

= 0V, 0.1µF chip capacitor between V

N

& VN)

P

PAC DN016

NOITAMROFNIGNIREDROTRAPDRADNATS

Application Information

See also California Micro Devices Application note AP209, Design Considerations for ESD protection.

In order to realize the maximum protection against ESD pulses, care must be taken in the PCB layout to minimize parasitic

series inductances to the Supply and Ground rails. Refer to Figure 1, which illustrates the case of a positive ESD pulse

applied between an input channel and Chassis Ground. The parasitic series inductance back to the power supply is

represented by L1. The voltage VZ on the line being protected is:

V

= Forward voltage drop of D1 + L1 x d(I

Z

where I

is the ESD current pulse, and V

esd

)/dt + V

esd

is the positive supply voltage.

Supply

Supply

An ESD current pulse can rise from zero to its peak value in a very short time. As an example, a level 4 contact discharge per

the IEC 61000-4-2 standard results in a current pulse that rises from zero to 30 Amps in 1nS. Here d(I

approximated by ∆I

©1999 California Micro Devices Corp. All rights reserved.

2

215 Topaz Street, Milpitas, California 95035 Tel: [phone] Fax: [phone] www.calmicro.com

/∆t, or 30/(1x10

esd

Figure 1

)/dt can be

-9

). So just 10nH of series inductance (L1) will lead to a 300V increment in VZ!

esd

11/99