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Part Number: G266
Description: The G266 is an integrated Hall sensors with output drivers designed for electronic commutation of brus...
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G266
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DataSheet
General Description
G266 General Description
The G266 is an integrated Hall sensors with output drivers 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 complementary open-collectordrivers for sinking large current loads. 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) and DOB is turned off (high).
The output state is held until a magnetic flux density reversal falls below Brp causing DO to be turned off and DOB turned on. G266 is rated for operation over temperature range from -20 to 100 and voltage range from 3.5V to 28V. The devices are available in low cost die forms or rugged 4 pin SIP packages.
G266 Maximum Ratings
|
Parameter |
Symbol |
VALUE |
Unit | |
| Supply Voltage |
Vcc |
28V |
V | |
| Reverse Vcc Polarity Voltage |
VRCC |
-35V |
V | |
| Magnetic flux density |
B |
Unlimited |
||
| Output OFF Voltage |
Vce |
50(Note1) |
V | |
| Output ON Current | Continuous |
IC |
300 |
mA |
| Hold |
400 | |||
| Peak(Start UP) |
700 | |||
| Operating Temperature Range |
Ta |
-20~100 |
||
| Storage Temperature Range |
Ts |
-65~150 |
||
| Package Power Dissipation |
PD |
550 |
mW | |
| Maximum Junction Temp. |
Tj |
175 |
G266 Features
·On-chip Hall sensor IC with two different sensitivity and hysteresis settings for G266
·Internal bandgap regulator allows temperature compensated operations and a wide operating voltage range.
·High output sinking capability up to 300mA for driving large load.
·Lower current change rate reduces the peak output voltages during switching.
·Build in protection diode for chip reverse power connecting.
·Package: SIP-4L.
·Internal bandgap regulator allows temperature compensated operations and a wide operating voltage range.
·High output sinking capability up to 300mA for driving large load.
·Lower current change rate reduces the peak output voltages during switching.
·Build in protection diode for chip reverse power connecting.
·Package: SIP-4L.
G266 Typical Application
·Brushless DC Motor
·Brushless DC Fan
·Revolution Counting
·Speed Measurement
·Brushless DC Fan
·Revolution Counting
·Speed Measurement
G266 Connection Diagram
G261
PDF/DataSheet Download
- Datasheet: G261
- File Size: 232970 KB
- Manufacturer: GMT [Global Mixed-mode Technology Inc]
- Click here to Download
- ·G261P1U
- GMT [Global Mixed-mode Technology Inc]
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- ·G261P1UF
- GMT [Global Mixed-mode Technology Inc]
- Low Voltage Differential (LVD) SCSI 27 Line Regulator Set
- 232970 KB
- ·G261P3U
- GMT [Global Mixed-mode Technology Inc]
- Low Voltage Differential (LVD) SCSI 27 Line Regulator Set
- 232970 KB
- ·G261P3UF
- GMT [Global Mixed-mode Technology Inc]
- Low Voltage Differential (LVD) SCSI 27 Line Regulator Set
- 232970 KB
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