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參數資料
| 型號： | MC33167TV |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 8 A SWITCHING REGULATOR, 81 kHz SWITCHING FREQ-MAX, PZFM5 |
| 封裝： | TO-220, 5 PIN |
| 文件頁數： | 8/16頁 |
| 文件大小： | 408K |
| 代理商： | MC33167TV |
MC34167 MC33167
8
MOTOROLA ANALOG IC DEVICE DATA
Figure 18. Step–Down Converter
4
2
1
5
3
+
CF
RF
R1
CO
4700
VO
5.05 V/5.0 A
R2
EA
Reference
Thermal
Oscillator
S
R
Q
PWM
UVLO
ILIMIT
Vin
12 V
Cin
330
+
6.8 k
68 k
0.1
Q1
D1
1N5825
L
190
μ
H
+
+
+
Test
Conditions
Results
Line Regulation
Vin = 10 V to 36 V, IO = 5.0 A
Vin = 12 V, IO = 0.25 A to 5.0 A
Vin = 12 V, IO = 5.0 A
Vin = 12 V, RL = 0.1
Vin = 12 V, IO = 5.0 A
Vin = 24 V, IO = 5.0 A
4.0 mV =
±
0.039%
1.0 mV =
±
0.01%
20 mVpp
6.5 A
Load Regulation
Output Ripple
Short Circuit Current
Efficiency
78.9%
82.6%
L = Coilcraft M1496–A or General Magnetics Technology GMT–0223, 42 turns of #16 AWG on
Magnetics Inc. 58350–A2 core. Heatsink = AAVID Engineering Inc. 5903B, or 5930B.
The Step–Down Converter application is shown in Figure 18. The output switch transistor Q1 interrupts the input voltage, generating a squarewave at the LCO filter
input. The filter averages the squarewaves, producing a dc output voltage that can be set to any level between Vin and Vref by controlling the percent conduction
time of Q1 to that of the total oscillator cycle time. If the converter design requires an output voltage greater than 5.05 V, resistor R1 must be added to form a divider
network at the feedback input.
ééééé
ééééé
ééééé
ééééé
ééééé
ééé
(Top View)
Vin
VO
CO
Ci
L
CF
R1
D
+
–
+
–
+
+
Figure 19. Step–Down Converter Printed Circuit Board and Component Layout
(Bottom View)
3.0
″
″
1
M
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相關代理商/技術參數 |
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|---|---|
| MC33167TVG | 功能描述:直流/直流開關調節器 40V 5A Buck/Boost/Inverting RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC33168 | 制造商:SPC Multicomp 功能描述:FUSE RESETTABLE RADIAL 9A 制造商:SPC Multicomp 功能描述:FUSE, PTC RESET, RADIAL, 30V, 9A 制造商:SPC Multicomp 功能描述:RESETTABLE FUSE RADIAL 9A 制造商:SPC Multicomp 功能描述:FUSE, PTC RESET, 30V, 9A, RADIAL; Holding Current:9A; Tripping Current:18A; Initial Resistance Max:0.02ohm; Operating Voltage:30V; Series:FRU; PTC Fuse Case:Radial Leaded; External Depth:3mm; Initial Resistance Min:0.005ohm ;RoHS Compliant: Yes |
| MC33168 | 制造商:SPC Multicomp 功能描述:PTC Resettable Fuse |
| MC33169 | 制造商:SPC Multicomp 功能描述:FUSE RESETTABLE RADIAL 0.1A 制造商:SPC Multicomp 功能描述:FUSE, PTC RESET, RADIAL, 60V, 100MA 制造商:SPC Multicomp 功能描述:RESETTABLE FUSE RADIAL 0.1A 制造商:SPC Multicomp 功能描述:FUSE, PTC RESET, 60V, 100mA, RADIAL; Holding Current:100mA; Tripping Current:200mA; Initial Resistance Max:7.5ohm; Operating Voltage:60V; Series:FRX; PTC Fuse Case:Radial Leaded; External Depth:3.1mm; Initial Resistance Min:2.5ohm ;RoHS Compliant: Yes |
| MC33169 | 制造商:SPC Multicomp 功能描述:PTC Resettable Fuse |
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