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参数资料
| 型号： | MC33166TV |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 稳压器 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 6 A SWITCHING REGULATOR, 81 kHz SWITCHING FREQ-MAX, PZFM5 |
| 封装： | TO-220, 5 PIN |
| 文件页数： | 10/16页 |
| 文件大小： | 403K |
| 代理商： | MC33166TV |
MC34166 MC33166
10
MOTOROLA ANALOG IC DEVICE DATA
Figure 22. Voltage–Inverting Converter
4
2
1
5
3
+
CF
RF
R2
3.3 k
R1
EA
Reference
Thermal
Oscillator
S
R
Q
PWM
UVLO
ILIMIT
Vin
12 V
Cin
330
+
2.4 k
4.7 k
0.47
Q1
+
CO
2200
VO
–12 V/1.0 A
D1
1N5822
L
190
μ
H
C1
0.047
+
+
Test
Conditions
Results
Line Regulation
Vin = 8.0 V to 24 V, IO = 1.0 A
Vin = 12 V, IO = 0.1 A to 1.0 A
Vin = 12 V, IO = 1.0 A
Vin = 12 V, RL = 0.1
Vin = 12 V, IO = 1.0 A
3.0 mV =
±
0.01%
Load Regulation
4.0 mV =
±
0.017%
Output Ripple
80 mVpp
3.74 A
Short Circuit Current
Efficiency
81.2%
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.
Two potential problems arise when designing the standard voltage–inverting converter with the MC34166. First, the Switch Output emitter is limited to –1.5 V with
respect to the ground pin and second, the Error Amplifier’s noninverting input is internally committed to the reference and is not pinned out. Both of these problems
are resolved by connecting the IC ground pin to the converter’s negative output as shown in Figure 22. This keeps the emitter of Q1 positive with respect to the
ground pin and has the effect of reversing the Error Amplifier inputs. Note that the voltage drop across R1 is equal to 5.05 V when the output is in regulation.
+
+
+
+
(Top View)
Figure 23. Voltage–Inverting Converter Printed Circuit Board and Component Layout
3.0
″
(Bottom View)
″
1
M
V
Vin
VO
CO
Ci
L
CF
R
R
D
+
–
+
–
+
+
C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC33166TVG | 功能描述:直流/直流开关调节器 40V 3A Buck/Boost/Inverting RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MC33167 | 制造商:SPC Multicomp 功能描述:FUSE RESETTABLE RADIAL 8A 制造商:SPC Multicomp 功能描述:FUSE, PTC RESET, RADIAL, 30V, 8A 制造商:SPC Multicomp 功能描述:RESETTABLE FUSE RADIAL 8A 制造商:SPC Multicomp 功能描述:FUSE, PTC RESET, 30V, 8A, RADIAL; Holding Current:8A; Tripping Current:16A; 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 |
| MC33167 | 制造商:SPC Multicomp 功能描述:PTC Resettable Fuse |
| MC33167D2T | 功能描述:直流/直流开关调节器 40V 5A RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MC33167D2TG | 功能描述:直流/直流开关调节器 40V 5A Buck/Boost/Inverting RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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