TLV1805 40V, Rail-to-rail input, push-pull output, high voltage comparator with shutdown | TI.com

TLV1805 (ACTIVE) 40V, Rail-to-rail input, push-pull output, high voltage comparator with shutdown

 

Description

The TLV1805 high voltage comparator offers the unique combination of wide supply range, push-pull output, rail-to-rail inputs, low quiescent current, shutdown capability and fast output response. All these features make this comparator well-suited for applications that require sensing at the positive or negative voltage rails such as reverse current protection for a smart diode controller, overcurrent sensing, and overvoltage protection circuits where the push-pull output stage is used to drive the gate of a p-channel or n-channel MOSFET switch.

The high peak current push-pull output stage, which is unique for high-voltage comparators, offers the advantage of allowing the output to actively drive the load to either supply rail with a fast edge rate. This is especially valuable in applications where a MOSFET gate needs to be driven high or low quickly in order to connect or disconnect a host from an unexpected high voltage supply. Additional features such as low input offset voltage, low input bias currents and High-Z shutdown make the TLV1805 flexible enough to handle a broad range of applications. Power-On reset prevents false outputs at power-up.

The TLV1805 is in a 6-pin SOT-23 package and is specified for operation across the extended industrial temperature range of –40°C to +125°C.

Features

  • 3.3 V to 40 V Supply Range
  • Low Quiescent Current: 135 µA
  • High Peak Current Push-Pull Output
  • Rail-to-Rail Inputs with Phase Reversal Protection
  • Built-In Hysteresis: 14mV
  • 250ns Propagation Delay
  • Low Input Offset Voltage: 500 µV
  • Shutdown with High-Z Output
  • Power-On Reset (POR)
  • SOT-23-6 Package

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Parametrics

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Part number Order Output type Vs (Min) (V) Vs (Max) (V) Propagation delay time (uS) Vos (offset voltage @ 25 C) (Max) (mV) Iq per channel (Typ) (mA) Input bias current (+/-) (Max) (nA) Rail-to-rail Rating Features Operating temperature range (C) VICR (Max) (V) VICR (Min) (V) Package Group
TLV1805 Order now Push-Pull     3.3     40     0.25     3     0.15     0.5     In     Catalog     Hysteresis
Shutdown    
-40 to 125     0     0     SOT-23 | 6