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参数资料
| 型号： | 44608P40 |
| 厂商： | ON SEMICONDUCTOR |
| 英文描述： | Few External Components Reliable Flexible GreenLine Very High Voltage PWM Controller |
| 中文描述： | 很少的外部元件的可靠灵活二七二三六七六七高电压PWM控制器 |
| 文件页数： | 10/16页 |
| 文件大小： | 266K |
| 代理商： | 44608P40 |
MC44608
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
Characteristic
Symbol
Min
Typ
Max
Unit
OUTPUT SECTION
Output Resistor
W
Sink Resistance
ROL
5.0
8.5
15
Source Resistance
ROH
15
Output Voltage Rise Time (from 3 V up to 9 V) (1)
tr
50
ns
Output Voltage Falling Edge Slew–Rate (from 9 V down to 3 V) (1)
tf
50
ns
CONTROL INPUT SECTION
Duty Cycle @ Ipin3 = 2.5 mA
d2mA
2.0
%
Duty Cycle @ Ipin3 = 1.0 mA
d1mA
36
43
48
%
Control Input Clamp Voltage (Switching Phase) @ Ipin3 = –1.0 mA
4.75
5.0
5.25
V
Latched Phase Control Input Voltage (Stand–by) @ Ipin3 = +500 mA
VLP–stby
3.4
3.9
4.3
V
Latched Phase Control Input Voltage (Stand–by) @ Ipin3 = +1.0 mA
VLP–stby
2.4
3.0
3.7
V
CURRENT SENSE SECTION
Maximum Current Sense Input Threshold
VCS–th
0.95
1.0
1.05
V
Input Bias Current
IB–cs
–1.8
1.8
mA
Stand–By Current Sense Input Current
ICS–stby
180
200
220
mA
Start–up Phase Current Sense Input Current
ICS–stup
180
200
220
mA
Propagation Delay (Current Sense Input to Output @ VTH T MOS = 3 V)
TPLH(In/Out)
220
ns
Leading Edge Blanking Duration
MC44608P40
TLEB
480
ns
Leading Edge Blanking Duration
MC44608P75
TLEB
250
ns
Leading Edge Blanking Duration
MC44608P100
TLEB
200
ns
Leading Edge Blanking + Propagation Delay
MC44608P40
TDLY
500
680
900
ns
Leading Edge Blanking + Propagation Delay
MC44608P75
TDLY
370
470
570
ns
Leading Edge Blanking + Propagation Delay
MC44608P100
TDLY
400
ns
OSCILLATOR SECTION
Normal Operation Frequency MC44608P40
fosc
36
40
44
kHz
Normal Operation Frequency MC44608P75
fosc
68
75
82
kHz
Normal Operation Frequency MC44608P100
fosc
100
kHz
Maximum Duty Cycle @ f = fosc
dmax
78
82
86
%
OVERVOLTAGE SECTION
Quick OVP Input Filtering (Rdemag = 100 kW)
Tfilt
250
ns
Propagation Delay (Idemag > Iovp to output low)
TPHL(In/Out)
2.0
s
Quick OVP Current Threshold
IOVP
105
120
140
A
Protection Threshold Level on VCC
VCC–OVP
14.8
15.3
15.8
V
Minimum Gap Between VCC–OVP and Vstup–th
VCC–OVP –
Vstup
1.0
V
NOTES:
(1) This parameter is measured using 1.0 nF connected between the output and the ground.
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