HPFANG Datasheet, PDF (5/9 Pages) Champion Microelectronic Corp. – HP Power Supply Fan Controller DATA SHEET

http://www.championmicro.com.tw
HPFANG+/-
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)
Symbol
Parameter
Test Conditions
FANPWMOUT Matching Test
HPFAN(+/-) FANPWMOUT Duty
HPFAN(+/-) FANPWMOUT Duty
HPFAN(+/-) FANPWMOUT Duty
HPFAN(-) FANPWMOUT Duty
HPFAN(+) FANPWMOUT Duty
HPFAN(-) FANPWMOUT Duty
HPFAN(+) FANPWMOUT Duty
INPUT SIGNAL FANCMD 15KHz
50% Duty (+/-)
INPUT SIGNAL FANCMD 25KHz
50% Duty (+/-)
INPUT SIGNAL FANCMD 35KHz
50% Duty (+/-)
INPUT SIGNAL FANCMD 25KHz
25% Duty (-)
INPUT SIGNAL FANCMD 25KHz
25% Duty (+)
INPUT SIGNAL FANCMD 25KHz
75% Duty (-)
INPUT SIGNAL FANCMD 25KHz
75% Duty (+)
Internal Oscillator (Measuring FANPWMOUT)
Frequency
T_A = 25℃
Ramp Peak to Peak Voltage 10V < V_CC < 12V
Ramp Peak High Voltage 10V < V_CC < 12V
Ramp Peak Low Voltage 10V < V_CC < 12V
Voltage Stability
10V < V_CC < 12V
Temperature Stability
Total Variation
VCC=10V~12V, 0mA <I(VREF)< 3mA;
T_A = -40℃~85℃
FANPWMOUT Dead Time
FANCMD / FANPWMOUT
FANCMD Threshold Voltage TFB=2.6V,
HPFANG+/-
Unit
Min.
Typ.
Max.
45
50
55
%
45
50
55
%
45
50
55
%
70
75
80
%
20
25
30
%
20
25
30
%
70
75
80
%
22.5
25
27.5 kHz
2
V
3.5
V
1.5
V
2
%
2
%
22.5
27.5 kHz
1.2
1.5
1.8 us
1.48
1.5
1.55 V
FANCMD>1.5V Minimum Duty Cycle
TFB>2.5V and FANCMD>1.5V (For HPFAN-),
1.5
%
FANCMD<1.5V Maximum Duty Cycle
TFB<2.5V and FANCMD<1.5V (For HPFAN-),,
100
Output Low Rdson
I_OUT = -5mA @ T_A =25℃ Vcc=12V
80
Rise/Fall Time (Note 3)
C_L = 100pF @ T_A =25℃
50
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_FB pin.
Note 3: Guaranteed by design, not 100% production test.
%
ohm
ns
5
V
2013/01/17 Rev. 1.2
Champion Microelectronic Corporation
5