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參數資料
| 型號： | MC44603A |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | DC/DC變換器 |
| 英文描述： | RV Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 3.3V; Output Voltage (Vdc): 15V; Power: 2W; High Isolation 2W Converter; Approved for Medical Applications; EN and UL Safety Certificates; 6kVDC Isolation; Skinny DIP24 Package; Optional Continuous Short Circuit Protected; Fully Encapsulated; Very Low Isolation Capacitance |
| 中文描述： | 混合頻率模式二七二三六七六七的PWM控制器 |
| 文件頁數： | 8/24頁 |
| 文件大小： | 405K |
| 代理商： | MC44603A |
MC44603A
8
MOTOROLA ANALOG IC DEVICE DATA
0
0
100
R
θ
80
60
40
20
10
20
30
40
50
L, LENGTH OF COPPER (mm)
°
P
5.0
4.0
3.0
2.0
1.0
0
Graphs represent symmetrical layout
3.0 mm
Printed circuit board heatsink example
L
éé
éé
ééé
ééé
Copper
PD(max) for TA = 70
°
C
R
θ
JA
3.2
3.1
2.8
2.9
3.0
–50
–25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (
°
C)
Figure 13. Current Sense Gain
versus Temperature
Figure 14. Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
A
VCC = 12 V
Rref = 10 k
CT = 820 pF
VCC, SUPPLY VOLTAGE (V)
Figure 15. Propagation Delay Current Sense
Input to Output versus Temperature
TA, AMBIENT TEMPERATURE (
°
C)
Figure 16. Startup Current versus VCC
P
S
0
4.0
0
2.0
6.0
140
120
100
80
–50
–25
0
25
50
75
100
0.35
0.30
0.25
0.20
0.15
0.10
0.05
8.0
10
12
14
VCC = 12 V
Rref = 10 k
CT = 820 pF
Rref = 10 k
CT = 820 pF
Figure 17. Supply Current versus
Supply Voltage
Figure 18. Power Supply Zener Voltage
versus Temperature
16
0
VCC, SUPPLY VOLTAGE (V)
21.0
20.5
20.0
19.5
19.0
–50
–25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (
°
C)
I
V
14
12
10
8.0
6.0
4.0
2.0
2.0
4.0
6.0
8.0
10
12
14
16
21.5
TA = 25
°
C
Rref = 10 k
CT = 820 pF
VFB = 0 V
VCS = 0 V
ICC = 25 mA
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MC44603A_05 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Enhanced Mixed Frequency Mode GreenLine TM PWM Controller:Fixed Frequency, Variable Frequency,Standby Mode |
| MC44603ADW | 功能描述:電流型 PWM 控制器 Voltage/Current PWM RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MC44603ADWG | 功能描述:電流型 PWM 控制器 ANA SMPS PWM FREQ CONT RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格: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 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格: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 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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