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ISL54054, ISL54055
Data Sheet
March 21, 2007
FN6461.0
Ultra Low ON-Resistance, Low Voltage,
Single Supply, Single SPST/1:2
Distribution Analog Switch
The Intersil ISL54054 and ISL54055 devices consist of low
ON-resistance, low voltage, bi-directional SPST analog
switches designed to operate from a single +1.8V to +5.5V
supply. These devices have an unique architecture. They
have two signal pins (pin 1 and pin 3) that are
simultaneously connected or disconnected to a common pin
(pin 4) under the control of a single logic control pin (pin 6).
The ISL54054 switches are OFF when the logic is low and
ON when the logic is high. The ISL54055 switches are ON
when the logic is low and OFF when the logic is high. This
architecture allows these devices to be used as a single
SPST switch or as a distribution switch to distribute a single
source to two different loads.
SPST operation is achieved by using one of the signal pins
while floating the other signal pin or by externally connecting
the two signal pins together. When both signal pins are tied
together, the r
ON
of the SPST is reduced by half, from 1惟 to
0.5惟 (when operated with a 5V supply).
Targeted applications include battery powered equipment
that benefit from low r
ON
resistance, excellent r
ON
flatness,
and fast switching speeds (t
ON
= 12ns, t
OFF
= 12ns). The
digital logic input is 1.8V logic compatible when using a
single 2.7V to +3.6V supply and TTL compatible when the
supply is > +3.6V.
The ISL54054 and the ISL54055 are offered in a 6 Ld
1.2mmx1.0mmx0.5mm
渭TDFN
package, alleviating board
space limitations.
The ISL54054 has two normally open (NO) switches and the
ISL54055 has two normally closed (NC) switches.
TABLE 1. FEATURES AT A GLANCE
ISL54054
Number of Switches
SW
1.8V r
ON
1.8V t
ON
/t
OFF
3V r
ON
3V t
ON
/t
OFF
5V r
ON
5V t
ON
/t
OFF
Packages
1
NO
1.1惟
115ns/90ns
0.51惟
22ns/17ns
0.34惟
12ns/12ns
ISL54055
1
NC
1.1惟
115ns/90ns
0.51惟
22ns/17ns
0.34惟
12ns/12ns
Features
鈥?ON-resistance (r
ON
) (Signal Pins Connected)
- V
CC
= +5.0V . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.34惟
- V
CC
= +3.0V . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.51惟
- V
CC
= +1.8V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1惟
鈥?r
ON
flatness (+4.5V Supply) . . . . . . . . . . . . . . . . . . . . . 0.13惟
鈥?Single supply operation . . . . . . . . . . . . . . . . . +1.8V to +5.5V
鈥?Fast switching action (+4.5V Supply)
- t
ON
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12ns
- t
OFF
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12ns
鈥?ESD HBM rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >6kV
鈥?1.8V logic compatible (+3V supply)
鈥?Available in 6 lead
渭TDFN
Package
鈥?Pb-free plus anneal available (RoHS compliant)
Applications
鈥?Battery powered, handheld and portable equipment
- Cellular/mobile phones
- Pagers
- Laptops, notebooks, palmtops
鈥?Portable test and measurement
鈥?Medical equipment
鈥?Audio and video switching
Related Literature
鈥?Technical Brief TB363 鈥淕uidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)鈥?/div>
Ordering Information
PART
NUMBER
(Note)
PART
MARKING
TEMP.
RANGE
(擄C)
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL54054IRUZ-T D
ISL54055IRUZ-T E
-40 to +85 6 Ld
渭TDFN
L6.1.2x1.0A
Tape and Reel
-40 to +85 6 Ld
渭TDFN
L6.1.2x1.0A
Tape and Reel
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100% matte tin
plate termination finish, which are RoHS compliant and compatible with
both SnPb and Pb-free soldering operations. Intersil Pb-free products are
MSL classified at Pb-free peak reflow temperatures that meet or exceed
the Pb-free requirements of IPC/JEDEC J STD-020.
6 Ld
渭TDFN
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
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Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright 漏 Intersil Americas Inc. 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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