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參數(shù)資料
| 型號(hào)： | MC44603ADW |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER |
| 中文描述： | 0.75 A SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁(yè)數(shù)： | 6/24頁(yè) |
| 文件大小： | 405K |
| 代理商： | MC44603ADW |
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MC44603A
6
MOTOROLA ANALOG IC DEVICE DATA
Figure 1. Timing Resistor versus
Oscillator Frequency
Figure 2. Standby Mode Timing Capacitor
versus Oscillator Frequency
10 k
10000
CT
fOSC, Oscillator Frequency (Hz)
VCC = 16 V
TA = 25
°
C
Rref = 10 k
10 k
100
Rr
fOSC, Oscillator Frequency (Hz)
VCC = 16 V
TA = 25
°
C
1000
10
300
3.0
100 k
100 k
1.0 M
1.0 M
CT = 100 pF
CT = 500 pF
CT = 2200 pF
CT = 1000 pF
RF Stby = 2.0 k
RF Stby = 5.0 k
RF Stby = 27 k
RF Stby = 100 k
TA, AMBIENT TEMPERATURE (
°
C)
Figure 3. Oscillator Frequency
versus Temperature
TA, AMBIENT TEMPERATURE (
°
C)
Figure 4. Ratio Charge Current/Reference
Current versus Temperature
52
51
48
47
46
45
44
–50
–25
0
25
50
75
100
VCC = 12 V
Rref = 10 k
CT = 820 pF
0.43
0.41
0.40
0.37
0.38
–50
–25
0
25
50
75
100
0.39
f
=
I
R
49
50
0.42
VCC = 12 V
Rref = 10 k
CT = 820 pF
Figure 5. Output Waveform
Figure 6. Output Cross Conduction
VO
ICC
VCC = 12 V
CL = 2200 pF
TA = 25
°
C
Current
Voltage
Current
Voltage
1.0
μ
s/Div
1.0
μ
s/Div
VCC = 12 V
CL = 2200 pF
TA = 25
°
C
600
400
–200
–400
–600
–800
–1000
I
0
200
70
60
30
20
10
0
–10
V
40
50
70
60
30
20
10
0
–10
40
50
300
200
–100
–200
–300
–400
–500
0
100
V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC44603ADWG | 功能描述:電流型 PWM 控制器 ANA SMPS PWM FREQ CONT RoHS:否 制造商:Texas Instruments 開(kāi)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 |
| MC44603ADWR2 | 功能描述:電流型 PWM 控制器 Voltage/Current PWM RoHS:否 制造商:Texas Instruments 開(kāi)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 |
| MC44603ADWR2G | 功能描述:電流型 PWM 控制器 ANA SMPS PWM FREQ CONT RoHS:否 制造商:Texas Instruments 開(kāi)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 |
| MC44603AP | 功能描述:電流型 PWM 控制器 Voltage/Current PWM RoHS:否 制造商:Texas Instruments 開(kāi)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 |
| MC44603APG | 功能描述:電流型 PWM 控制器 Voltage/Current PWM w/Bust Mode Standby RoHS:否 制造商:Texas Instruments 開(kāi)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 |
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