參數(shù)資料
型號: 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
文件頁數(shù): 8/24頁
文件大?。?/td> 405K
代理商: MC44603ADW
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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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(guān)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(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 開關(guān)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(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 開關(guān)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(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 開關(guān)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(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 開關(guān)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(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14