UH266 [UTC]
HIGH VOLTAGE HALL EFFECT LATCH;
| 型号： | UH266 |
| 厂家： | 
Unisonic Technologies |
| 描述： | HIGH VOLTAGE HALL EFFECT LATCH 高压 |
| 文件： | 总5页 (文件大小：177K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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
1
switching
hysteresis,
and
complementary
darlington
SIP-4
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
Lead Free
Package
SIP-4
Packing
Bulk
Halogen Free
UH266G-G04-K
UH266L-G04-K
Note: xx: Output Voltage, refer to Marking Information.
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Copyright © 2013 Unisonic Technologies Co., Ltd
QW-R118-016.A
UH266
LINEAR INTEGRATED CIRCUIT
PIN DESCRIPTION
PIN NO.
PIN NAME
VCC
DESCRIPTION
Positive Power Supply
1
2
3
4
DO
Output Pin
Output Pin
Ground
DOB
GND
BLOCK DIAGRAM
VCC
DO
Over-Temperature
Protection
Regulator
DOB
GND
Temperature
Compensation
Schmitt
Trigger
Output
Driver
Hall Plate
Amplifier
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UH266
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATING (TA=25°C)
PARAMETER
SYMBOL
VCC
RATINGS
28
UNIT
V
Supply Voltage
Output “OFF” Voltage
VOUT(OFF)
IO(con)
IO(hold)
IO(peak)
B
28
V
400 (Note 2)
500
mA
mA
mA
Gauss
mW
°C
Output “ON” Current
700
Magnetic Flux Density
Unlimited
550
Power Dissipation (Note 3)
Operating Temperature Range
Storage Temperature
PD
TOPR
-20~+85
-65~+150
TSTG
°C
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2. IO(con) is 150mA at 85°C
3. See Performance Characteristic for other conditions
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
227
UNIT
°C/W
Junction to Ambient
θJA
ELECTRICAL CHARACTERISTICS (TA=25°C)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Supply Voltage
VCC
VZ
4
28
70
V
V
Output Zener Breakdown
Output Saturation Voltage
Output Leakage Current
Supply Current
Output Turn Off
54
62
VCE(sat)
ICEX
ICC
VCC=24V, IC=400mA
VCC=24V, VCE=24V
VCC=24V, Output Open
1.1 1.5
< 0.1 10
V
µA
5
10 mA
Output Rise Time
tR
1.0
5
µs
µs
µs
Output Falling Time
Switch Time Differential
tF
VCC=24V, RL=820Ω, CL=20pF
1.0 1.5
3.0 10
∆t
MAGNETIC CHARACTERISTICS (TA=25°C)
A grade
(1mT=10Gauss)
PARAMETER
SYMBOL
Bop
MIN
10
TYP
80
MAX
70
-10
UNIT
Gauss
Gauss
Gauss
Operate Point
Release Point
Hysteresis
Brp
-70
Bhy
B grade
(1mT=10Gauss)
PARAMETER
SYMBOL
Bop
MIN
-100
TYP
80
MAX
100
UNIT
Gauss
Gauss
Gauss
Operate Point
Release Point
Hysteresis
Brp
Bhy
UNISONIC TECHNOLOGIES CO., LTD
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QW-R118-016.A
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UH266
LINEAR INTEGRATED CIRCUIT
CHYSTERESIS CHARACTERISTICS
OPERATION CHARACTERISTICS
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UH266
LINEAR INTEGRATED CIRCUIT
TEST CIRCUIT
24V
UTC
UH266
VOUT1 (DO)
RL1
820Ω
VOUT2 (DOB)
RL2
820Ω
CL1
20pF
CL2
20pF
TYPICAL APPLICATION CIRCUIT
UTC
UH266
coil1
coil2
2
1
3
4
+
-
VCC
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
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QW-R118-016.A
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