ISL88011 INTERSIL [Intersil Corporation], ISL88011 Datasheet

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ISL88011

Manufacturer Part Number
ISL88011
Description
5 Ld Voltage Supervisors with Adjustable Power-On Reset, Dual Voltage Monitoring or Watchdog Timer Capability
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet

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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 startup 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
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 4).
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.
®
1
Data Sheet
POR
pin. Both fixed
1-888-INTERSIL or 1-888-468-3774
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• Single/Dual Voltage Monitoring Supervisors
• Fixed-Voltage Options Allow Precise Monitoring of +2.5V,
• Dual Supervisor Has One Fixed Voltage Input and Another
• Both RST and RST Outputs Available
• Adjustable POR Timeout Delay Options
• Watchdog Timer With 1.6s Normal and 51s Startup
• Manual Reset Input on All Devices
• Reset Signal Valid Down to V
• 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 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
ISL88011, ISL88012, ISL88013,
December 14, 2006
+3.0V, +3.3V, and +5.0V Power Supplies
That is User-Adjustable Down to 0.6V.
Timeout Durations
All other trademarks mentioned are the property of their respective owners.
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2006. All Rights Reserved
ISL88014, ISL88015
DD
= 1V
FN8093.1

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ISL88011 Summary of contents

Page 1

... Data Sheet 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 ...

Page 2

... ISL88011, ISL88012, ISL88013, ISL88014, ISL88015 Pinouts ISL88011 (5 LD SOT-23) TOP VIEW 1 5 RST/MR GND 2 RST 3 4 ISL88013 (5 LD SOT-23) TOP VIEW RST/ GND 2 RST 3 4 ISL88015 (5 LD SOT-23) TOP VIEW RST/ GND 2 VMON VDD CPOR VDD WDI VDD ...

Page 3

... ISL88011, ISL88012, ISL88013, ISL88014, ISL88015 Ordering Information PART NUMBER PART (Notes 1, 2) MARKING ISL88011IH546Z-TK AGU ISL88011IH544Z-TK AGV ISL88011IH531Z-TK AGW ISL88011IH529Z-TK AGX ISL88011IH526Z-TK AGY ISL88011IH523Z-TK AGZ ISL88011IH522Z-TK AHE ISL88012IH546Z-TK AHF ISL88012IH544Z-TK AHG ISL88012IH531Z-TK AHH ISL88012IH529Z-TK AHI ISL88012IH526Z-TK AHJ ISL88012IH523Z-TK AHK ISL88012IH522Z-TK AHL ...

Page 4

... ISL88011, ISL88012, ISL88013, ISL88014, ISL88015 Functional Block Diagrams V DD POR ± THMON C POR OSC GND ISL88011 VMON R 2 ± POR Product Features Table FUNCTION Active-Low Reset (RST) Active-High Reset (RST) Watchdog Timer (WDI) Dual Voltage Supervision Adjustable POR Timeout (C ...

Page 5

... ISL88011, ISL88012, ISL88013, ISL88014, ISL88015 Absolute Maximum Ratings Temperature under bias . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C Storage temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Voltage on any pin with respect to GND . . . . . . . . . . . . -1.0V to +7V D.C. output current 5mA Lead temperature (soldering, 10 seconds +300°C Recommended Operating Conditions Temperature Range (Industrial .-40°C to +85°C Pull-up Resistance (R ) ...

Page 6

... DD The V pin is the power supply terminal monitored by DD the ISL88011, ISL88012 and ISL88013. For these devices, the voltage at this pin is compared against an internal factory-programmed voltage trip point, V first asserted when the device is initially powered up to ensure that the power supply has stabilized. Thereafter, ...

Page 7

... Watchdog Timer capability, and manual reset assertion. By integrating all of these features into a small 5 Ld SOT-23 package and using only 5.5µA of supply current, the ISL88011 through ISL88015 devices can assist in lowering system cost, reducing board space requirements, and increasing the reliability of a system. ...

Page 8

... It allows time for an FPGA to download its configuration prior to initialization of the circuit. Adjusting POR Timeout via C POR On the ISL88011 and ISL88014, users can adjust the Power On Reset timeout delay ( many times the normal POR t of 250ms ...

Page 9

... ISL88011, ISL88012, ISL88013, ISL88014, ISL88015 V THVDD WDI RST RST Typical Parametric Performance Curves 11 10 VDD = VDD = 3. -45 -35 -25 - TEMPERATURE (°C) FIGURE 6. I (ISL88011, ISL88012, ISL88013 TEMPERATURE 3.20 3.10 VTH_VDD = 3.09V 3.00 2.90 VTH_VDD = 2.92V 2.80 2.70 2.60 Vth_VDD = 2.63V 2 ...

Page 10

... ISL88011, ISL88012, ISL88013, ISL88014, ISL88015 Typical Parametric Performance Curves 0.608 0.606 0.604 0.602 0.600 0.598 0.596 -45 -35 -25 - TEMPERATURE (°C) FIGURE 10 TEMPERATURE THVMON Typical Application Circuits 12V 10k 180k V DD RST VMON 10k 4.7V ISL88014 / ISL88015 FIGURE 12 ...

Page 11

... ISL88011, ISL88012, ISL88013, ISL88014, ISL88015 Typical Application Circuits 3.3V 11 (Continued 3.09V THL V DD RST 50k ISL8801X-31 3.3V V 100k 3.6V RST THH VMON 10K ISL88014/ISL88015 VOLTAGE OUT OF RANGE = P GOOD FIGURE 16. OVER/UNDERVOLTAGE MONITOR 3.3V 100k PGOOD LOW FN8093.1 December 14, 2006 ...

Page 12

... ISL88011, ISL88012, ISL88013, ISL88014, ISL88015 Small Outline Transistor Plastic Packages (SOT23- 0.20 (0.008 0.10 (0.004 WITH PLATING b1 c BASE METAL 4X θ1 R1 SEATING L PLANE α θ1 VIEW C All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems. ...

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