Datasheet > HPFANG-

HPFANG-

更新时间： 2022-02-26 10:05:23

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虹冠电子 - CHAMP		/
页数	文件大小	规格书
9页	159K
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HP Power Supply Fan Controller DATA SHEET

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HPFANG- 数据手册

HPFANG+/-

http://www.championmicro.com.tw

HP Power Supply Fan Controller DATA SHEET

ELECTRICAL CHARACTERISTICS:

Unless otherwise stated, these specifications apply Vcc=+12V, C_VREF= 0.1uF, T_A=Operating Temperature Range

(Note1)

HPFANG+/-

Symbol

Parameter

Test Conditions

Unit

Min.

Typ.

Max.

FANPWMOUT Matching Test

INPUT SIGNAL FANCMD 15KHz

50% Duty (+/-)

HPFAN(+/-) FANPWMOUT Duty

INPUT SIGNAL FANCMD 25KHz

50% Duty (+/-)

HPFAN(+/-) FANPWMOUT Duty

INPUT SIGNAL FANCMD 35KHz

50% Duty (+/-)

INPUT SIGNAL FANCMD 25KHz

25% Duty (-)

HPFAN(-)

HPFAN(+)

HPFAN(-)

HPFAN(+)

FANPWMOUT Duty

INPUT SIGNAL FANCMD 25KHz

25% Duty (+)

INPUT SIGNAL FANCMD 25KHz

75% Duty (-)

INPUT SIGNAL FANCMD 25KHz

75% Duty (+)

Internal Oscillator (Measuring FANPWMOUT)

T_A= 25℃

Frequency

22.5

27.5

kHz

Ramp Peak to Peak Voltage 10V < V_CC< 12V

Ramp Peak High Voltage

Ramp Peak Low Voltage

Voltage Stability

10V < V_CC< 12V

3.5

1.5

10V < V_CC< 12V

Temperature Stability

VCC=10V~12V, 0mA <I(VREF)< 3mA;

Total Variation

22.5

1.2

27.5

1.8

kHz

T_A= -40℃~85℃

FANPWMOUT Dead Time

1.5

FANCMD / FANPWMOUT

FANCMD Threshold Voltage TFB=2.6V,

1.48

1.5

1.55

FANCMD>1.5V Minimum Duty Cycle

TFB>2.5V and FANCMD>1.5V (For HPFAN-),

TFB<2.5V and FANCMD<1.5V (For HPFAN-),,

FANCMD<1.5V Maximum Duty Cycle

100

I_OUT= -5mA @ T_A=25℃ Vcc=12V

C_L= 100pF @ T_A=25℃

Output Low Rdson

ohm

Rise/Fall Time (Note 3)

Output High Voltage

T_A= 25℃, IFANPWMOUTSOURCING=5mA

4.5

Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.

Note 2: Includes all bias currents to other circuits connected to the V_FBpin.

Note 3: Guaranteed by design, not 100% production test.

2013/01/17 Rev. 1.2

Champion Microelectronic Corporation

1 2 3 456 7 8 9

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