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參數(shù)資料
| 型號(hào)： | MC33065-H |
| 廠(chǎng)商： | ON SEMICONDUCTOR |
| 英文描述： | High Performance Dual Channel Current Mode Controllers |
| 中文描述： | 高性能雙通道電流模式控制器 |
| 文件頁(yè)數(shù)： | 14/18頁(yè) |
| 文件大?。?/td> | 583K |
| 代理商： | MC33065-H |
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MC34065
H, L
http://onsemi.com
14
Figure 25. Bipolar Transistor Drive
Figure 26. Isolated MOSFET Drive
Figure 27. Dual Charge Pump Converter
The totem
pole outputs can furnish negative base current for enhanced
transistor turn
off, with the addition of capacitor C
1
.
I
B
+
0
Base Charge
Removal
V
in
C
1
R
S
+
Q1
+
_
+
+
+
5.0V
ref
S
R
Q
V
CC
V
in
16
PWM
Latch 1
7
6
D
1
N
P
N
S
C
R
Isolation
Boundary
Ipk
V(Pin 6)
1.4
3RS
NP
NS
The capacitor’s equivalent series resistance must limit the Drive Output current to 400 mA. An additional series resistor may be required
when using tantalum or other low ESR capacitors. The positive output can provide excellent line and load regulation by connecting the R
2
/R
1
resistor divider as shown.
Output Load Regulation
I
O
(mA)
0
1.0
5.0
10
50
+V
O
(V)
28.43
27.72
27.04
26.20
20.52
V
O
(V)
13.89
12.90
12.25
11.44
5.80
+
+
_
+
_
+
+
+
+
+
+
+
+
+
15
1
3
2
4
5
14
13
12
1.0nF
12k
2.5V
R
R
Bias
Osc.
5.0V
ref
20k
1.0mA
1.0mA
R
2R
1.0V
EA2
8
9
S
R
R
Q
PWM
Latch 2
S
Q
R
PWM
Latch 1
R
16
V
CC
=15V
+
47
27
10
7
47
6
10
11
47
R
2
R
1
+V
O
≈
2.0V
CC
V
O
≈
V
CC
1N5819
1N5819
2R
250
μ
A
10
10
10
10
27
10
Connect to Pin 4 for
closedloop regulation.
VO
2.5
R2
R1
1
EA1
1.0V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC33065-L | High Performance Dual Channel Current Mode Controllers |
| MC33067DWG | High Performance Resonant Mode Controllers |
| MC33067DWR2 | High Performance Resonant Mode Controllers |
| MC33067DWR2G | High Performance Resonant Mode Controllers |
| MC33067PG | High Performance Resonant Mode Controllers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC33065-L | 制造商:ONSEMI 制造商全稱(chēng):ON Semiconductor 功能描述:High Performance Dual Channel Current Mode Controllers |
| MC33065P | 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:HIGH PERFORMANCE DUAL CHANNEL CURRENT MODE CONTROLLER |
| MC33065P-H | 制造商:ONSEMI 制造商全稱(chēng):ON Semiconductor 功能描述:High Performance Dual Channel Current Mode Controllers |
| MC33065P-L | 制造商:ONSEMI 制造商全稱(chēng):ON Semiconductor 功能描述:High Performance Dual Channel Current Mode Controllers |
| MC33066 | 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:High Performance Resonant Mode Controllers |
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