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參數(shù)資料
| 型號： | MC34167 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C |
| 中文描述： | 射頻放大器 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 263K |
| 代理商： | MC34167 |
MC34167, MC33167
http://onsemi.com
14
V
O
+36 V/0.3 A
D
1
L
R
1
MUR415
Z
1
22
0.01
1N5825
MTP
3055E
2N3906
R
1
36 k
R
2
5.1 k
+
1000
VO
R1
R2
4
2
1
5
3
+
0.22
470 k
EA
Reference
Thermal
Oscillator
S
R
Q
PWM
UVLO
ILIMIT
6.8 k
Q
1
*Gate resistor R
G
, zener diode D
3
, and diode D
4
are required only when V
in
is greater than 20 V.
V
in
12 V
1000
+
0.002
5.05
0.7
+
+
Test
Conditions
Results
Line Regulation
V
in
= 10 V to 20 V, I
O
= 0.3 A
266 mV =
±
0.38%
Load Regulation
V
in
= 12 V, I
O
= 0.03 A to 0.3 A
7.90 mV =
±
1.1%
Output Ripple
V
in
= 12 V, I
O
= 0.3 A
100 mV
pp
Efficiency
L = General Magnetics Technology GMT0223, 42 turns of #16 AWG on Magnetics Inc.
58350A2 core. Heatsink = AAVID Engineering Inc. 5903B or 5930B
V
in
= 12 V, I
O
= 0.3 A
78.4%
Figure 26. Negative Input/Positive Output Regulator
47
+
50 k
Faster
Brush
Motor
4
2
1
5
3
+
EA
Reference
Thermal
Oscillator
S
R
Q
PWM
UVLO
ILIMIT
V
in
18 V
1000
5.6 k
56 k
0.1
1N5825
+
1.0 k
+
+
Test
Conditions
Results
Low Speed Line Regulation
V
in
= 12 V to 24 V
1760 RPM
±
1%
High Speed Line Regulation
V
in
= 12 V to 24 V
3260 RPM
±
6%
Figure 27. Variable Motor Speed Control with EMF Feedback Sensing
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|---|---|
| MC34167_05 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:5.0 A, Step−Up/Down/Inverting Switching Regulators |
| MC34167D2T | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 40V 5A RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC34167D2TG | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 40V 5A Buck/Boost/Inverting RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC34167D2TR4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 40V 5A RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC34167D2TR4G | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 40V 5A Buck/Boost/Inverting RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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