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PDF UH266 Data sheet ( Hoja de datos )

Número de pieza UH266
Descripción HIGH VOLTAGE HALL EFFECT LATCH
Fabricantes Unisonic Technologies 
Logotipo Unisonic Technologies Logotipo



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No Preview Available ! UH266 Hoja de datos, Descripción, Manual

UNISONIC TECHNOLOGIES CO., LTD
UH266
LINEAR INTEGRATED CIRCUIT
HIGH VOLTAGE HALL
EFFECT LATCH
DESCRIPTION
The UTC UH266 is a one-chip composed of Hall sensor and
output coil drivers, applied to two-phase brush-less DC motor.
The device includes an on-chip Hall plate for magnetic sensing, a
amplifier for Hall voltage, and a Schmitt trigger to provide
switching hysteresis, and complementary darlington
open-collector drivers for sinking large current loads. An internal
bandgap regulator is used to provide temperature compensated
supply voltage and allows a wide operating range.
If B>Bop, DO turn on (low) and DOB turn off (high). The
outputs state is latched prior to reach release point (Brp). if
B<Brp, DO turn off and DOB turn on. UTC UH266 is rated for
operation over temperature range from -20°C to 85°C and voltage
range from 4V to 28V.
FEATURES
* Operating voltage: 4V~28V
* Output current: 400mA(Continuous, 25°C)
* Output protection Zener breakdown Vz=62V(Typ)
* Reverse power protection
ORDERING INFORMATION
Ordering Number
UH266G-G04-K
Package
SIP-4
1
SIP-4
Packing
Bulk
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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UH266 pdf
UH266
TEST CIRCUIT
24V
LINEAR INTEGRATED CIRCUIT
UTC
UH266
RL1
820Ω
RL2
820Ω 2C0Lp1F
TYPICAL APPLICATION CIRCUIT
VOUT1 (DO)
VOUT2 (DOB)
CL2
20pF
UTC
UH266
+
-
VCC
123 4
coil1
coil2
Brush-less DC Fan
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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