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参数资料
| 型号： | TS3842BCS |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | High Performance Current Mode Controller |
| 中文描述： | 高性能电流模式控制器 |
| 文件页数： | 13/20页 |
| 文件大小： | 521K |
| 代理商： | TS3842BCS |
Undervoltage Lockout(contd.)
Figure 30- Latched Shutdown
Bias
+
Osc
R
R
R
2R
EA
5(9)
1(1)
2(3)
4(7)
8(14)
MCR
101
2N
2N
3903
1.0 mA
The MCR101 SCR must selected for a holding of less than 0.5mA at
T
(min.). The simple two transistor circuit can be used in place of the
SCR as shown. All resistors are 10k.
+
-
5.0V Ref
+
-
S
R
Q
7(11)
6(10)
5(8)
3(5)
R
S
Q1
V
CC
V
in
C
R
7(12)
Comp/Latch
The addition of RC filter will eliminate instability caused
by the leading edge spike on the current waveform.
Figure 26- Current Waveform Spike Suppression
Figure 27- MOSFET Parasitic Oscillations
V
CC
S
R
5.0V Ref
Q
7(11)
6(10)
5(8)
3(5)
R
S
Q1
V
in
7(12)
R
g
Comp/Latch
+
-
+
-
Figure 28- Bipolar Transistor Drive
6(10)
5(8)
3(5)
R
S
Q1
V
in
C1
Base Charge
I
B
+
-
0
Figure 29- Isolated MOSFET Drive
S
R
5.0V Ref
Q
7(11)
6(10)
5(8)
3(5)
R
S
Q1
V
CC
V
in
Isolation
Boundary
V
GS
Waveforms
+
-
0
+
-
0
50% DC
25% DC
Ipk
V(pin1)
1.4
3 RS
NS
Np
Comp/Latch
7(12)
R
C
N
S
N
P
+
-
+
-
=
_
(
)
The totem-pole output can finish negative base current for en-
hanced transistor turn-off with the additions of capacitor C1.
相关PDF资料 |
PDF描述 |
|---|---|
| TS3843B | High Performance Current Mode Controller |
| TS3843BCD | High Performance Current Mode Controller |
| TS3843BCS | High Performance Current Mode Controller |
| TS3Y | Surface Mount Miniature Trimmers 3mm Single-Turn Cermet Sealed |
| TS3YJ | Surface Mount Miniature Trimmers 3mm Single-Turn Cermet Sealed |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TS3843B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:High Performance Current Mode Controller |
| TS3843BCD | 制造商:未知厂家 制造商全称:未知厂家 功能描述:High Performance Current Mode Controller |
| TS3843BCS | 制造商:未知厂家 制造商全称:未知厂家 功能描述:High Performance Current Mode Controller |
| TS3-85 | 功能描述:SENSOR THERMAL MOXIE NTC 85C RoHS:是 类别:传感器，转换器 >> 热敏电阻 - NTC 系列:MOXIE® 标准包装:100 系列:* |
| TS3-85B3 | 功能描述:SENSOR THERMAL MOXIE NTC 85C RoHS:是 类别:传感器，转换器 >> 热敏电阻 - NTC 系列:MOXIE® 标准包装:100 系列:* |
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