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PT7M6525NLTA5E Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation |
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PT7M6525NLTA5E Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation |
1 / 8 page |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Voltage Detector with Adjustable Delay Time 2016-01-0031 PT0450-1 03/14/16 1 PT7M6518-6550(CL/CH /NL) Features Operate from VCC of 1.2V to 5.5V Capacitor-Adjustable Delay Active-High/-Low Output Options Open-Drain /Push-Pull Output Options Detect Voltage Threshold Accurate: 2.5% in full Temperature from -40°C to +85°C Low Supply Current (2µA, Typ.) Ultra-Small 4-Pin UDFN Package or SOT23-5 Package or SC70-4 package Applications Computers/Servers/Networking Medical Equipment Critical µP Monitoring Intelligent Instruments Set-Top Boxes/Portable Equipment Description The PT7M6518-6550 is a family of small, low-power, voltage-monitoring circuits with adjustable delay time capability. PT7M65xx series features a highly accurate under voltage detector with hysteresis and an externally programmable time delay generator. This combination of features prevents erratic system reset operation. PT7M65xx series provide external capacitor to adjust for set up delay time. All series operate from a 1.2V to 5.5V supply voltage and are fully specified over the -40°C to +85°C operating temperature range. This family is available in ultra-small 4-pin UDFN (1.6mm x 1.6mm) and SC70-4 and SOT23-5 packages. Pin Configuration Pin Description Name Type Description RST O Active Low Reset Output: RST is asserted to LOW when VCC drops below voltage threshold VTH- value (PT7M65xxCL/NL). PT7M65xxCL output with push-pull. PT7M65xxNLoutput with open- drain which requires external pullup resistance. RST O Active High Reset Output. RST is asserted High when VCC drops below voltage threshold VTH- voltage (PT7M65xxCH). PT7M65xxCH output with push-pull. GND P Ground. VCC P Supply Voltage. Operation voltage from 1.2V to 5.5V. By pass 0.1uF ceramic capacitor to GND for noise decoupling. Cd I/O Capacitor Delay. Adjustable. Connect an external capacitor from Cd pin to GND to set the Reset inactive delay time (timeout period) after VCC rise over voltage threshold VTH+. Do not short Cd pin to GND directly. The delay time equation as tdelay=Cd(µF)×4×10 6µs +40µs. |
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