ISL88011_0602 Datasheet, PDF (1/11 Pages) Intersil Corporation – 5-Pin Voltage Supervisors with Adjustable Power-On Reset, Dual Voltage Monitoring or Watchdog Timer Capability

®
Data Sheet
ISL88011, ISL88012, ISL88013,
ISL88014, ISL88015
February 13, 2006
FN8093.0
5-Pin Voltage Supervisors with Adjustable
Power-On Reset, Dual Voltage Monitoring
or Watchdog Timer Capability
The ISL88011 - ISL88015 family of devices offer both fixed
and/or adjustable voltage-monitoring that combine popular
functions such as Power On Reset control, Watchdog Timer,
Supply Voltage Supervision, and Manual Reset assertion in
a small 5-pin SOT23 package.
Unique features on the ISL88013 and ISL88015 include a
watchdog timer with a 51sec startup timeout and a 1.6sec
normal timeout duration. On the ISL88011 and ISL88014,
users can increase the nominal 200ms Power On Reset
timeout delay by adding an external capacitor to the C_POR
pin. Both fixed and adjustable voltage monitors are provided
by the ISL88012. Complementary active-low and active-high
reset outputs are available on the ISL88011, ISL88012 and
ISL88013 devices. All devices provide manual reset
capability (see Product Features Table).
Seven preprogrammed reset threshold voltages accurate to
±1.5% over temperature are offered (see Ordering
Information). The ISL88012, ISL88014 and ISL88015 have a
user-adjustable voltage input available for custom
monitoring of any voltage down to 0.6V. All parts are
specifically designed for low power consumption and high
threshold accuracy.
Features
• Single/Dual Voltage Monitoring Supervisors
• Fixed-Voltage Options Allow Precise Monitoring of +2.5V,
+3.0V, +3.3V, and +5.0V Power Supplies
• Dual Supervisor Has One Fixed Voltage Input and Another
That is User-Adjustable Down to 0.6V.
• Both RST and RST Outputs Available
• Adjustable POR Timeout Delay Options
• Watchdog Timer With 1.6sec Normal and 51sec Startup
Timeout Durations
• Manual Reset Input on All Devices
• Reset Signal Valid Down to V_DD = 1V
• Accurate ±1.5% Voltage Threshold
• Immune to Power-Supply Transients
• Ultra Low 5.5µA Supply Current
• Small 5-pin SOT-23 Pb Free package
• Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• Process Control Systems
• Intelligent Instruments
• Embedded Control Systems
• Computer Systems
• Critical µP and µC Power Monitoring
• Portable/Battery-Powered Equipment
• PDA and Handheld PC Devices
Pinouts (ordering information on next page)
RST/MR
1
5
GND
2 ISL88011
RST
3
4
V_DD
RST/MR
1
5
V_DD
GND
2 ISL88012
C_POR
RST
3
4
VMON
RST/MR
1
5
GND
2 ISL88013
RST
3
4
V_DD
WDI
RST/MR
1
5
GND
2 ISL88014
VMON
3
4
V_DD
RST/MR
1
5
V_DD
GND
2 ISL88015
C_POR
VMON
3
4
WDI
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2004, 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.