Datasheet > HPFANG-

HPFANG-

更新时间： 2022-02-26 10:05:23

品牌	Logo	应用领域
虹冠电子 - CHAMP		/
页数	文件大小	规格书
9页	159K
描述
HP Power Supply Fan Controller DATA SHEET

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数据手册

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HPFANG- 数据手册

HPFANG+/-

http://www.championmicro.com.tw

HP Power Supply Fan Controller DATA SHEET

Calculation of Thermal Resistor RTHERMOSITER and Error Amplifier Feedback Resistor RF (Figure 1.)

Thermal Resistor and Error Amplifier Feedback Resistor Relationship

(VREF −TFB) TEAO −TFB

TFB

Rthemistor + Rseries

Full Speed RPM 50% Load

(5V − 2.5V ) 3.5V − 2.5V

2.5V

When TEAO ~ 3.5V Duty100%

Rthemistor + Rseries

Half Speed RPM

(5V − 2.5V ) 2.5V − 2.5V

2.5V

When TEAO ~ 2.5V Duty50%

Rthemistor + Rseries

Minimum Speed RPM

(5V − 2.5V ) 1.5V − 2.5V

2.5V

When TEAO ~ 1.5V Duty < 5%

Rthemistor + Rseries

APPLICATION CIRCUIT (HPFANG+/-)

FAN1

UFan

TACH

R10

0.5K

15K

U1 HPFANG

0.01uF

VCC

TEAO

VREF

VCC

10K

CN2

TFB

CN1

100K

FANCMD

CAVERAGE

FANPWMOUT

GND

CON2

0.01uF 47uF/25V

CON2

0.1uF

HouseKeeping

NPN

2013/01/17 Rev. 1.2

Champion Microelectronic Corporation

1...4 5 678 9

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