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參數(shù)資料
| 型號： | MC44608P75 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Few External Components Reliable Flexible GreenLine Very High Voltage PWM Controller |
| 中文描述： | SWITCHING CONTROLLER, 82 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 266K |
| 代理商： | MC44608P75 |
MC44608
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
Characteristic
Symbol
Min
Typ
Max
Unit
OUTPUT SECTION
Output Resistor
Sink Resistance
Source Resistance
Output Voltage Rise Time (from 3 V up to 9 V) (1)
Output Voltage Falling Edge Slew–Rate (from 9 V down to 3 V) (1)
ROL
ROH
tr
tf
5.0
8.5
15
15
50
ns
50
ns
CONTROL INPUT SECTION
Duty Cycle @ Ipin3 = 2.5 mA
Duty Cycle @ Ipin3 = 1.0 mA
Control Input Clamp Voltage (Switching Phase) @ Ipin3 = –1.0 mA
Latched Phase Control Input Voltage (Stand–by) @ Ipin3 = +500 A
Latched Phase Control Input Voltage (Stand–by) @ Ipin3 = +1.0 mA
CURRENT SENSE SECTION
Maximum Current Sense Input Threshold
d2mA
d1mA
2.0
%
36
43
48
%
4.75
5.0
5.25
V
VLP–stby
VLP–stby
3.4
3.9
4.3
V
2.4
3.0
3.7
V
VCS–th
IB–cs
ICS–stby
ICS–stup
TPLH(In/Out)
TLEB
TLEB
TLEB
TDLY
TDLY
TDLY
0.95
1.0
1.05
V
Input Bias Current
–1.8
1.8
A
Stand–By Current Sense Input Current
180
200
220
A
Start–up Phase Current Sense Input Current
180
200
220
A
Propagation Delay (Current Sense Input to Output @ VTH T MOS = 3 V)
Leading Edge Blanking Duration
220
ns
MC44608P40
480
ns
Leading Edge Blanking Duration
MC44608P75
250
ns
Leading Edge Blanking Duration
MC44608P100
200
ns
Leading Edge Blanking + Propagation Delay
MC44608P40
500
680
900
ns
Leading Edge Blanking + Propagation Delay
MC44608P75
370
470
570
ns
Leading Edge Blanking + Propagation Delay
MC44608P100
400
ns
OSCILLATOR SECTION
Normal Operation Frequency MC44608P40
fosc
fosc
fosc
dmax
36
40
44
kHz
Normal Operation Frequency MC44608P75
68
75
82
kHz
Normal Operation Frequency MC44608P100
100
kHz
Maximum Duty Cycle @ f = fosc
OVERVOLTAGE SECTION
78
82
86
%
Quick OVP Input Filtering (Rdemag = 100 k )
Propagation Delay (Idemag > Iovp to output low)
Quick OVP Current Threshold
Tfilt
250
ns
TPHL(In/Out)
IOVP
VCC–OVP
VCC–OVP –
Vstup
2.0
μ
s
105
120
140
μ
A
Protection Threshold Level on VCC
Minimum Gap Between VCC–OVP and Vstup–th
14.8
15.3
15.8
V
1.0
V
NOTES:
(1) This parameter is measured using 1.0 nF connected between the output and the ground.
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