ISL88011_11 Datasheet, PDF (1/13 Pages) Intersil Corporation – 5 Ld Voltage Supervisors

Data Sheet
ISL88011, ISL88012, ISL88013,
ISL88014, ISL88015
August 9, 2011
FN8093.3
5 Ld Voltage Supervisors with Adjustable
Power-On Reset, Dual Voltage Monitoring
or Watchdog Timer Capability
The ISL88011 through 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 Ld SOT-23 package.
Unique features on the ISL88013 and ISL88015 include a
watchdog timer with a 51s start-up timeout and a 1.6s
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” on page 5).
Seven preprogrammed reset threshold voltages accurate to
±1.5% over temperature are offered (see “Ordering
Information” on page 3). 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 1.6s Normal and 51s Start-up
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 Ld SOT-23 Pb-Free Package
• Pb-Free (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
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CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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