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H654 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 H654
部品説明 COMPLEMENTARY OUTPUT HALL EFFECT LATCH
メーカ Unisonic Technologies
ロゴ Unisonic Technologies ロゴ 



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H654 Datasheet, H654 PDF,ピン配置, 機能
UNISONIC TECHNOLOGIES CO., LTD
H654
LINEAR INTEGRATED CIRCUIT
COMPLEMENTARY OUTPUT
HALL EFFECT LATCH
DESCRIPTION
The UTC H654 is integrated Hall sensors with complementary
output drivers designed for electronic commutation of brushless DC
Fan. It composed of an on-chip Hall voltage generator, a differential
amplifier, Schmitt trigger, an open-collector output on a single chip.
Furthermore, an internal bandgap regulator allows temperature
compensated operations and a wide operating supply range. An
on-chip protection diode is implemented to prevent reverse power
fault.
When the magnetic flux density larger than threshold BOP, DO
will be turned on(low) and DOB be turned off(high). The output state
is held until the magnetic flux density is lower than BRP, and then DO
is reversal to turned off and DOB turned on.
FEATURES
* Operate from 3.5V ~ 20V supply voltage.
* On-chip Hall sensor with two different sensitivity and hysteresis
settings.
* High output sinking capability up to 300mA for driving large load.
* Lower current change rate reduces the peak output voltages during
switching.
* Build-in protecting diode for chip reversal power connecting.(Note1)
1
SIP-4
*Pb-free plating product number: H654L
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
H654-G04-K
H654L-G04-K
Package
SIP-4
Packing
Bulk
H654L-G04-K
(1)Packing Type
(2)Package Type
(3)Lead Plating
(1) B: Bulk
(2) G04: SIP-4
(3) L: Lead Free Plating, Blank: Pb/Sn
PIN DESCRIPTION
PIN NO. PIN NAME
1 VCC
2 DO
3 DOB
4 VSS
P/I/O
P
O
O
P
DESCRIPTION
Positive Power Supply
Output Pin
Output Pin
Ground
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
1 of 5
QW-R118-003,B

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COMPLEMENTARY OUTPUT HALL EFFECT LATCH

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