AS1907

Features: ·3 Output Types: Push/Pull RESET, Push Pull RESETN, and Open Drain RESETN·Reset Threshold Range: 1.6 to 2.5V (~100mV increments)·RESET/RESETN:- Valid to VCC = 0.7V (AS1907 and AS1908)- Valid to VCC = 1.0V (AS1909)·Reset Pulse Widths: 1, 20, and 100ms·Supply Voltage Range: +0.7 to +3.6V·S...

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AS1907 Picture
SeekIC No. : 004288203 Detail

AS1907: Features: ·3 Output Types: Push/Pull RESET, Push Pull RESETN, and Open Drain RESETN·Reset Threshold Range: 1.6 to 2.5V (~100mV increments)·RESET/RESETN:- Valid to VCC = 0.7V (AS1907 and AS1908)- Val...

floor Price/Ceiling Price

Part Number:
AS1907
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



Features:

·3 Output Types: Push/Pull RESET, Push Pull RESETN, and Open Drain RESETN
·Reset Threshold Range: 1.6 to 2.5V (~100mV increments)
·RESET/RESETN:
- Valid to VCC = 0.7V (AS1907 and AS1908)
- Valid to VCC = 1.0V (AS1909)
·Reset Pulse Widths: 1, 20, and 100ms
·Supply Voltage Range: +0.7 to +3.6V
·Supply Current Range: 2.6 to 7.0µA
·Power Supply Transient Immunity
·Requires No External Components
·Operating Temperature Range: -40 to +125ºC
·3-pin SOT23 Package





Application

The devices are ideal for use in cordless and mobile phones, MP3 players, CD and DVD players, PDAs, handheld computers, digital cameras, hard drives, and any other application where power supply supervisory control is required.






Pinout



  Connection Diagram




Specifications

Parameter
Min
Max
Units
Comments
VCC
RESET, RESETN Push/Pull
RESETN Open Drain
Input Current (VCC)
Output Current (RESET, RESETN)
-0.3
-0.3
-0.3

+5
VCC + 0.3
+6
20
20
V
V
V
mA
mA
Continuous Power Dissipation
(TAMB = +70ºC)
320
mW
3-pin SOT23 derate 4mW/ºC above +70ºC
Operating Temperature Range
Storage Temperature Range
-40
-65
+125
+160
ºC
ºC
Package Body Temperature
+260
ºC
The reflow peak soldering temperature (body
temperature) specified is in accordance with
IPC/JEDEC J-STD-020C "Moisture/Reflow
Sensitivity Classification for Non-Hermetic
Solid State Surface Mount Devices"





Description

The AS1907/AS1908/AS1909 microprocessor supervisory circuits are ideal for monitoring the supply voltage of digital systems and microprocessors.

The AS1907 is designed to initiate a reset if the supply voltage goes below a predefined threshold. The duration of the reset is either 1.5, 30, or 150ms (typ.) after the supply voltage has risen above the pre-set threshold.

The AS1907 is available as the following standard products:

Model

Output Type

Reset Type

AS1907

Push/Pull

Active-Low

AS1908

Push/Pull

Active-High

AS1909

Open-Drain

Active-Low

The reset thresholds are factory-set between 1.6 and 2.5V in steps of approximately 100mV.

The AS1907 exhibit excellent reliability, and can reduce system costs by eliminating the need for external components. The extremely low current consumption makes the devices ideal for use in portable applications.

The integrated reset comparator was specifically designed to ignore fast transients on VCC.

The devices are available in a 3-pin SOT23 package.






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