参数资料
型号: MC44608P40G
厂商: ON Semiconductor
文件页数: 3/15页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO PWM 8-DIP
产品变化通告: Product Obsolescence 01/Jul/2009
标准包装: 50
PWM 型: 电压模式
输出数: 1
频率 - 最大: 44kHz
占空比: 86%
电源电压: 6.6 V ~ 13 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -25°C ~ 85°C
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
其它名称: MC44608P40GOS
MC44608
ELECTRICAL CHARACTERISTICS
Characteristic
Symbol
Min
Typ
Max
Unit
OUTPUT SECTION
Output Resistor
Ω
Sink Resistance
Source Resistance
R OL
R OH
5.0
--
8.5
15
15
--
Output Voltage Rise Time (from 3.0 V up to 9.0 V) (Note 1)
Output Voltage Falling Edge Slew--Rate (from 9.0 V down to 3.0 V) (Note 1)
t r
t f
--
--
50
50
--
--
ns
ns
CONTROL INPUT SECTION
Duty Cycle @ I pin3 = 2.5 mA
Duty Cycle @ I pin3 = 1.0 mA
Control Input Clamp Voltage (Switching Phase) @ I pin3 = --1.0 mA
Latched Phase Control Input Voltage (Standby) @ I pin3 = +500 m A
Latched Phase Control Input Voltage (Standby) @ I pin3 = +1.0 mA
d 2mA
d 1mA
V LP--stby
V LP--stby
--
36
4.75
3.4
2.4
--
43
5.0
3.9
3.0
2.0
48
5.25
4.3
3.7
%
%
V
V
V
current sense section
Maximum Current Sense Input Threshold
Input Bias Current
Standby Current Sense Input Current
Startup Phase Current Sense Input Current
Propagation Delay (Current Sense Input to Output @ V TH T MOS = 3.0 V)
V CS--th
I B--cs
I CS--stby
I CS--stup
T PLH(In/Out)
0.95
--1.8
180
180
--
1.0
--
200
200
220
1.05
1.8
220
220
--
V
m A
m A
m A
ns
Leading Edge Blanking Duration
Leading Edge Blanking Duration
Leading Edge Blanking + Propagation Delay
Leading Edge Blanking + Propagation Delay
MC44608P40
MC44608P75
MC44608P40
MC44608P75
T LEB
T LEB
T DLY
T DLY
--
--
500
370
480
250
680
470
--
--
900
570
ns
ns
ns
ns
oscillator section
Normal Operation Frequency MC44608P40
Normal Operation Frequency MC44608P75
Maximum Duty Cycle @ f = f osc
f osc
f osc
d max
36
68
78
40
75
82
44
82
86
kHz
kHz
%
OVERvoltage section
Quick OVP Input Filtering (R demag = 100 k Ω )
Propagation Delay (I demag > I ovp to output low)
Quick OVP Current Threshold
Protection Threshold Level on V CC
Minimum Gap Between V CC--OVP and V stup--th
T filt
T PHL(In/Out)
I OVP
V CC--OVP
V CC--OVP -- V stup
--
--
105
14.8
1.0
250
2.0
120
15.3
--
--
--
140
15.8
--
ns
m s
m A
V
V
1. This parameter is measured using 1.0 nF connected between the output and the ground.
http://onsemi.com
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