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AH375

Features: · 2.2V to 20V DC operation voltage· Temperature compensation· Wide operating voltage range· Open drain pre-driver· 25mA maximum sinking output current· Package: SIP3, SOT23Application· Brush-less DC Motor· Brush-less DC Fan· Revolution counting· Speed measurementPinoutSpecifications ...

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SeekIC No. : 004278827 Detail

AH375: Features: · 2.2V to 20V DC operation voltage· Temperature compensation· Wide operating voltage range· Open drain pre-driver· 25mA maximum sinking output current· Package: SIP3, SOT23Application· Bru...

AH375 Data Sheet

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Part Number:
AH375
Supply Ability:
5000

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

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Product Details

Description



Features:

· 2.2V to 20V DC operation voltage
· Temperature compensation
· Wide operating voltage range
· Open drain pre-driver
· 25mA maximum sinking output current
· Package: SIP3, SOT23




Application

· Brush-less DC Motor
· Brush-less DC Fan
· Revolution counting
· Speed measurement




Pinout

Connection Diagram




Specifications

Characteristics
Symbol
Values
Unit
Supply Voltage
Vdd
20
V
Magnetic Flux Density
B
Unlimited
Output OFF Voltage
VDS
30
V
Output "On" Current Continuous
Id
25
mA
Operating Temperature Range
Ta
-40~+125
Storage Temperature Range
Ts
-65~+150
Maximum Junction Temp.
Tj
150
Package Power Dissipation SIP-3L
Pd
550
mW
SOT23-3L
230
mW
Thermal Resistance SIP-3L
jc
227
/W
SOT23-3L
543


Part Number AH375
Description CMOS Hall Effect Latch
process CMOS
Operating Voltage (V) 2.5 ~ 20
Output Current (Ave) 25mA
Operating Point Bop (Gauss) 5/60
Release Point Brp (Gauss) -60/-5
Operating Ambient Temp Range (°C) -40 to +125





Description

AH375 is an integrated Hall effect latched sensor designed for electronic commutation of brush-less DC motor applications. The AH375 includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a schmitt trigger to provide switching hysteresis for noise rejection, and open drain output. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.

If a magnetic flux density larger than threshold Bop, DO is turned on(low). The output state of AH375 is held until a magnetic flux density reversal falls below Brp causing DO to be turned off (high).






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