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MAX824 Datasheet

Part Number MAX824
Manufacturers Maxim
Logo Maxim
Description 5-Pin Microprocessor Supervisory Circuits
Datasheet MAX824 DatasheetMAX824 Datasheet (PDF)

19-0487; Rev 1; 6/97 5-Pin Microprocessor Supervisory Circuits _______________General Description The MAX823/MAX824/MAX825* microprocessor (µP) supervisory circuits combine reset output, watchdog, and manual-reset input functions in a 5-pin SOT23-5 package. They significantly improve system reliability and accuracy compared to separate ICs or discrete components. The MAX823/MAX824/MAX825 are specifically designed to ignore fast transients on VCC. Five preprogrammed reset threshold voltages are .

  MAX824   MAX824






Part Number MAX829
Manufacturers Maxim
Logo Maxim
Description Switched-Capacitor Voltage Inverters
Datasheet MAX824 DatasheetMAX829 Datasheet (PDF)

19-0495; Rev 3; 9/99 Switched-Capacitor Voltage Inverters General Description The ultra-small MAX828/MAX829 monolithic, CMOS charge-pump inverters accept input voltages ranging from +1.5V to +5.5V. The MAX828 operates at 12kHz, and the MAX829 operates at 35kHz. Their high efficiency (greater than 90% over most of the load-current range) and low operating current (60µA for the MAX828) make these devices ideal for both battery-powered and boardlevel voltage-conversion applications. The MAX828/MAX.

  MAX824   MAX824







Part Number MAX829
Manufacturers ON Semiconductor
Logo ON Semiconductor
Description Switched Capacitor Voltage Converter
Datasheet MAX824 DatasheetMAX829 Datasheet (PDF)

MAX828, MAX829 Switched Capacitor Voltage Converter The MAX828 and MAX829 are CMOS charge pump voltage inverters that are designed for operation over an input voltage range of 1.15 V to 5.5 V with an output current capability in excess of 50 mA. The operating current consumption is only 68 mA for the MAX828 and 118 mA for the MAX829. The devices contain an internal oscillator that operates at 12 kHz for the MAX828 and 35 kHz for the MAX829. The oscillator drives four low resistance MOSFET switc.

  MAX824   MAX824







Part Number MAX828
Manufacturers Maxim
Logo Maxim
Description Switched-Capacitor Voltage Inverters
Datasheet MAX824 DatasheetMAX828 Datasheet (PDF)

19-0495; Rev 2; 4/97 Switched-Capacitor Voltage Inverters _______________General Description The ultra-small MAX828/MAX829 monolithic, CMOS charge-pump inverters accept input voltages ranging from +1.5V to +5.5V. The MAX828 operates at 12kHz, and the MAX829 operates at 35kHz. Their high efficiency (greater than 90% over most of the load-current range) and low operating current (60µA for the MAX828) make these devices ideal for both battery-powered and boardlevel voltage-conversion applications..

  MAX824   MAX824







Part Number MAX828
Manufacturers ON
Logo ON
Description Switched Capacitor Voltage Converters
Datasheet MAX824 DatasheetMAX828 Datasheet (PDF)

MAX828, MAX829 Switched Capacitor Voltage Converter The MAX828 and MAX829 are CMOS charge pump voltage inverters that are designed for operation over an input voltage range of 1.15 V to 5.5 V with an output current capability in excess of 50 mA. The operating current consumption is only 68 mA for the MAX828 and 118 mA for the MAX829. The devices contain an internal oscillator that operates at 12 kHz for the MAX828 and 35 kHz for the MAX829. The oscillator drives four low resistance MOSFET switc.

  MAX824   MAX824







Part Number MAX825
Manufacturers Maxim
Logo Maxim
Description 5-Pin Microprocessor Supervisory Circuits
Datasheet MAX824 DatasheetMAX825 Datasheet (PDF)

19-0487; Rev 1; 6/97 5-Pin Microprocessor Supervisory Circuits _______________General Description The MAX823/MAX824/MAX825* microprocessor (µP) supervisory circuits combine reset output, watchdog, and manual-reset input functions in a 5-pin SOT23-5 package. They significantly improve system reliability and accuracy compared to separate ICs or discrete components. The MAX823/MAX824/MAX825 are specifically designed to ignore fast transients on VCC. Five preprogrammed reset threshold voltages are .

  MAX824   MAX824







5-Pin Microprocessor Supervisory Circuits

19-0487; Rev 1; 6/97 5-Pin Microprocessor Supervisory Circuits _______________General Description The MAX823/MAX824/MAX825* microprocessor (µP) supervisory circuits combine reset output, watchdog, and manual-reset input functions in a 5-pin SOT23-5 package. They significantly improve system reliability and accuracy compared to separate ICs or discrete components. The MAX823/MAX824/MAX825 are specifically designed to ignore fast transients on VCC. Five preprogrammed reset threshold voltages are available, designated by the following package suffixes: L = 4.63V, M = 4.38V, T = 3.08V, S = 2.93V, and R = 2.63V. All three devices have an active-low reset output, which is guaranteed to be in the correct state for VCC down to 1V. The MAX824/MAX825 also have an active-high reset output. The following Selector Guide explains the functions offered in this series of parts. ____________________________Features o Precision Monitoring of +3V, +3.3V, and +5V Power Supplies o Operating Current: 10µA (MAX823L/M) 3µA (MAX825T/S/R) o Fully Specified Over Temperature o 140ms Min Power-On Reset o Guaranteed RESET Valid to VCC = 1V o Power-Supply Transient Immunity o Watchdog Timer with 1.6sec Timeout (MAX823/MAX824) o Manual-Reset Input (MAX823/MAX825) o No External Components MAX823/MAX824/MAX825 ________________________Applications Battery-Powered Computers and Controllers Embedded Controllers Intelligent Instruments Automotive Systems Critical µP Monitoring Portable/Battery-Powered Equipme.


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