MAX810RTR

Maximum Power Dissipation :
Manual Reset : Not Resettable
Battery Backup Switching : No Backup
Supply Voltage - Max : 5.5 V
Mounting Style : SMD/SMT
Packaging : Reel
Number of Voltages Monitored : 1
Watchdog : No Watchdog
Output Type : Active High, Push-Pull
Supply Current (Typ) : 0.8 uA
Package / Case : SOT-23
Maximum Operating Temperature : + 105 C
Supply Voltage - Min : 1.2 V
Monitored Voltage : 1.2 V to 4.9 V
Power-Up Reset Delay (Typ) : 460 ms
Undervoltage Threshold : 2.59 V
Overvoltage Threshold : 2.66 V


Features:

• Precision V_CC Monitor for 3.0V, 3.3V, and 5.0V Supplies
• 140msec Guaranteed Minimum RESET, RESET Output Duration
• RESET Output Guaranteed to V_CC = 1.0V (MAX809)
• Low 17mA Supply Current
• VCC Transient Immunity
• Small SOT23 Package
• No External Components
• Wide Operating Temperature: 40°C to 85°C


Application

• Computers
• Embedded Systems
• Battery Powered Equipment
• Critical mP Power Supply Monitoring


Pinout




Specifications

Symbol	Parameter	Value	Unit
	Supply Voltage (VCC to GND)	6.0	V
	RESET, RESET	0.3 to (VCC + 0.3)	V
	Input Current, VCC	20	mA
	Output Current, RESET, RESET	20	mA
	dV/dt (VCC)	100	V/msec
PD	Power Dissipation (TA <70°C) SOT23 (derate 4mW/°C above +70°C)	230	V
TA	Operating Temperature Range	40 to +85	°C
Tstg	Storage Temperature Range	65 to +150	°C
Tsol	Lead Temperature (Soldering, 10 Seconds)	+260	°C

* Maximum Ratings are those values beyond which damage to the device may occur.


Description

The MAX810RTR are costeffective system supervisor circuits designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. No external components are required. The reset output of MAX810RTR is driven active within 20 msec of VCC falling through the reset voltage threshold.

Reset is maintained active for a minimum of 140msec after V_CC rises above the reset threshold. The MAX810RTR has an activehigh RESET output while the MAX809 has an activelow RESET output. The output of the MAX809 is guaranteed valid down to V_CC = 1V. Both devices are available in a SOT23 package.

The MAX810RTR are optimized to reject fast transient glitches on the V_CC line. Low supply current of 17mA (V_CC = 3.3V) makes these devices suitable for battery powered applications.