Datasheet > UHC577

UHC577

更新时间： 2024-12-02 14:54:27

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
5页	121K
描述
350ma single phase hall-effect dc fan driver

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UHC577 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UHC577

Advance

LINEAR INTEGRATED CIRCUIT

350mA SINGLE PHASE

HALL-EFFECT DC FAN

DRIVER



DESCRIPTION

The UTC UHC577 is an integrated Hall sensor with H-Bridged

output driver designed for brushless DC motor applications. The

device is using HV process includes an on-chip Hall sensor for

magnetic sensing, an amplifier that amplifies the Hall voltage, a

comparator to provide switching hysteresis for noise rejection, a

bi-directional drivers for sinking and driving large current load.

Placing the device in a variable magnetic field, if the magnetic

flux density is larger than threshold BOP, the DO is turned to sink

and DOB is turned to drive. This output state is held until the

magnetic flux density reverses and falls below BRP, then causes

DO to be turned to drive and DOB turned to sink.

SIP-4



FEATURES

* One-chip Solution (Hall Element + Driver)

* Input Voltage Range : 3V~24V

* Low Output Switching Current Noise

* Built-in VDD To GND reverse voltage protection

* High Sensitivity Hall Sensor

BOP(25GS), BRP(-25GS)

* Thermal Shutdown Protection

* Temperature Range: -40°C~ +125 °C



ORDERING INFORMATION

Ordering Number

Lead Free

Package

SIP-4

Packing

Bulk

Halogen Free

UH577L-G04-K

UH577G-G04-K

(1) K: Bulk

(2) G04: SIP-4

(3) G: Halogen Free and Lead Free, L: Lead Free

(1)Packing Type

(2)Package Type

(3)Green Package



MARKING

UTC

UH577

L: Lead Free

G: Halogen Free

Date Code

www.unisonic.com.tw

1 of 5

QW-R118-033.a

12 3 4 5

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