LM8365 Active Low Reset IC with Low Quiescent Current and Programmable Output Delay | TI.com

LM8365 (ACTIVE) Active Low Reset IC with Low Quiescent Current and Programmable Output Delay

 

Recommended alternative parts

  • TPS3840  -  350-nA nano power voltage supervisor with programmable delay, MR pin and up to 10-V VIN.
  • LM8364  -  Lower Iq

Description

The LM8365 device is a micropower undervoltage sensing circuit that is ideal for use in battery-powered microprocessor based systems, where extended battery life is a key requirement.

Threshold voltages of 2.7 V and 4.5 V are available with an active-low, open-drain output. These devices feature a very-low quiescent current of 0.65 µA typical. The LM8365 features a highly accurate voltage reference, a comparator with precise thresholds and built-in hysteresis to prevent erratic reset operation, a time delayed output which can be programmed by the system designer, and specified Reset operation down to 1 V with extremely-low standby current.

Features

  • Extremely-Low Quiescent Current: 0.62 µA at
    VIN = 2.6 V
  • High Accuracy Threshold Voltage (±2.5%)
  • Open-Drain Output
  • Programmable Output Delay by External Capacitor
    (130 ms Typical With 0.1 µF)
  • Input Voltage Range: 1 V to 6 V
  • Pin-for-Pin Compatible With MC33465

Parametrics

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Part number Order Threshold voltage 1 (Typ) (V) Number of supplies monitored VCC (Max) (V) VCC (Min) (V) Output driver type/reset output Time delay (ms) Features Operating temperature range (C) Watchdog timer WDI (sec)
LM8365 Order now 2.7
4.5    
1     6     1     Active-low
Open-drain    
Programmable       -40 to 85     None    
TPS3808 Order now Adjustable
0.84
1.12
1.16
1.4
1.67
1.77
2.33
2.79
3.07
4.65    
1     6.5     1.8     Active-low
Open-drain    
Programmable     Active-low enable
Manual reset    
-40 to 125     None    
TPS3840 Order now Trimmable
2
2.5
2.7
2.8
2.9
3    
1     10     1.5     Active-high
Active-low
Open-drain
Push-pull    
Programmable     Manual reset     -40 to 125     None    
TPS3890 Order now Adjustable
1.15
1.44
1.73
2.4
2.89
3.17    
1     5.5     1.5     Active-low
Open-drain    
Programmable     Active-low enable
Manual reset    
-40 to 125     None