參數(shù)資料
型號(hào)： MC44605
廠商： ON SEMICONDUCTOR
英文描述： High Safety, Latched Mode, GreenLine PWM Controller for (Multi)Synchronized Applications
中文描述： 高安全性，鎖存模式，二七二三六七六七的PWM控制器（同步多應(yīng)用）
文件頁(yè)數(shù)： 5/20頁(yè)
文件大?。?/td> 328K
代理商： MC44605
MC44605
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS
(VCC and VC = 12 V, Rref = 10 k
, CT = 2.2 nF, for typical values TA = 25
°
C, for min/max
values TA = –25
°
to +85
°
C unless otherwise noted.) (Note 1.)
Characteristic
Pin #
Symbol
Min
Typ
Max
Unit
REFERENCE SECTION
Reference Output Voltage (VCC = 10 V to 15 V)
Reference Current Range (Iref = Vref/Rref, R = 5.0 k to 25 k
)
Reference Voltage Over Iref Range
DEMAGNETIZATION DETECTION SECTION (Note 2.)
Demagnetization Detect Input
Demagnetization Comparator Threshold (Vpin9 Decreasing)
Propagation Delay (Input to Output, Low to High)
Input Bias Current (Vdemag = 65 mV)
Minimum Off–Time when the pin 8 is grounded
16
Vref
Iref
Vref
2.4
2.5
2.6
V
16
–500
–
–100
μ
A
–40
–
40
mV
8
Vdemag–th
tPLH(In/Out)
Idemag–lb
TDEM–GND
CLVL–neg
50
–
–0.5
65
0.5
–
80
–
–
mV
μ
s
μ
A
μ
s
1.5
3.0
4.5
Negative Clamp Level (Idemag = –2.0 mA)
Positive Clamp Level (Idemag = +2.0 mA)
SOFT–START SECTION (Note 3.)
Ratio Charge Current/Iref (TA = –25
°
to +85
°
C)
Discharge Current (Vsoft–start = 1.0 V)
Clamp Level
–0.50
–0.38
–0.25
V
CLVL–pos
0.50
0.72
0.85
V
Iss–ch/Iref
Idischarge
VSS–CLVL
VSSinhi
VCSsoft–start
0.37
1.5
–
0.43
–
–
5.0
mA
2.2
2.4
2.6
V
Circuit Inhibition Threshold*
30
–
150
mV
VCS Soft–Start Clamp Level (Rsoft–start = 5 k
)
*The circuit is shutdown if the Soft–Start pin voltage is lower than this level.
1. Adjust VCC above the start–up threshold before setting to 12 V. Low duty cycle pulse techniques are used during test to maintain junction
temperature as close to ambient as possible.
2. This function can be inhibited by connecting pin 8 to GND. In this case, there is a minimum off–time equal to TDEM–GND.
3. The MC44605 can be shut down by connecting Soft–Start pin (pin 11) to Ground.
0.45
0.5
0.55
V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC44605_06 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Safety, Latched Mode, GreenLine TM PWM Controller for (Multi) Synchronized Applications
MC44605P 功能描述:電流型 PWM 控制器 Greenline PWM RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
MC44605PG 功能描述:電流型 PWM 控制器 ANA SMPS PWM FREQ CONT RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
MC44608 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Few External Components Reliable Flexible GreenLine Very High Voltage PWM Controller
MC44608_06 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Few External Components Reliable and Flexible SMPS Controller
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