UTC U652
LINEAR INTEGRATED CIRCUIT
SINGLE OUTPUT HALL EFFECT LATCH
GENERAL DESCRIPTION
The UTC U652 is a Integrated Hall sensor with latch designed for electronic commutation of brushless DC motor applications. The device 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-collector output. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.
1
TO92S
FEATURES
*3.5V to 20V operation *On-chip Hall sensor with two different sensitivity and hysteresis settings. *Internal bandgap regulator allows temperature compensated operations and a wide operating voltage range. *Open-Collector 25mA Output. *Reverse Polarity Protection. 1: Vcc 2: GND 3: OUTPUT
BLOCK DIAGRAM
1 Vcc
REG. Hall Sensor 3 2 OUTPUT
GROUND
PIN DESCRIPTIONS
NAME
Vcc Vss DO
P/I/O
P P O
PIN NO.
1 2 3
DESCRIPTION
Positive Power Supply Ground OUTPUT Pin
UTC
UNISONIC TECHNOLOGIES CO. LTD
1
QW-R118-002,A
UTC U652
CHARACTERISTIC
Supply Voltage Reverse Vcc Polarity Voltage Magnetic flux density Output OFF Voltage Output ON Current Operating Temperature Range Storage Temperature Range Package Power Dissipation
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vcc VRCC B Vce Ic Ta Ts Pd
ABSOLUTE MAXIMUM RATINGS(Ta=25°C )
VALUE
20 -20 Unlimited 30 30 0 ~ 70 -65 ~ 150 400
UNIT
V V V mA
°C °C
mW
ELECTRICAL CHARACTERISTICS( Ta=25°C,Vcc=3.5V to 20V )
CHARACTERISTIC
Operating Supply Voltage Output Saturation Voltage Output Leakage Current Supply Current Output Rise Time Output Falling Time
SYMBOL
Vcc Vce(sat) Icex Icc tr tf
TEST CONDITION
Vcc=14V,Ic=20mA Vce=14V,Vcc=14V Vcc=20V, Output Open Vcc=14V,RL=820Ω,CL=20pF Vcc=14V,RL=820Ω,CL=20pF
MIN
8
TYP.
300
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