參數(shù)資料
型號(hào)： MC44608
廠(chǎng)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靈活二七二三六七六七高電壓PWM控制器
文件頁(yè)數(shù)： 3/16頁(yè)
文件大?。?/td> 266K
代理商： MC44608
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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參數(shù)描述
MC44608_06 制造商:ONSEMI 制造商全稱(chēng):ON Semiconductor 功能描述:Few External Components Reliable and Flexible SMPS Controller
MC44608P100 功能描述:IC REG CTRLR FLYBK ISO PWM 8-DIP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
MC44608P40 功能描述:電壓模式 PWM 控制器 40KHz High Voltage RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MC44608P40G 功能描述:電壓模式 PWM 控制器 40KHz High Voltage SMPS PWM RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MC44608P75 功能描述:電壓模式 PWM 控制器 75KHz High Voltage RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
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