Offline Controllers | MC33067
概览
MC34067/MC33067 是高性能零电压开关谐振模式控制器，适用于使用频率调制恒定关断时间或恒定死区时间控制的离线和 DC-DC 转换器应用。此类集成电路具有变频振荡器、精确可重触发一次性计时器、温度补偿参比、高增益宽带宽误差放大器、转向触发器和双高电流图腾柱输出，适用于驱动功率 MOSFET。另外还包括了保护功能，有告诉故障比较器和锁存、可编程软启动电路、带可选择阈值的输入欠电压锁闭，以及参比欠电压锁闭。此类器件采用双列直插和表面贴装封装。
- Zero Voltage Switch Resonant Mode Operation
- Variable Frequency Oscillator with a Control Range Exceeding 1000:1
- Precision One-Shot Timer for Controlled Off-Time
- Internally Trimmed Bandgap Reference
- 4.0 MHz Error Amplifier
- Dual High Current Totem Pole Outputs
- Selectable Undervoltage Lockout Thresholds with Hysteresis
- Enable Input
- Programmable Soft-Start Circuitry
- Low Startup Current for Off-Line Operation
- Pb-Free Packages are Available*
Buy/Parametrics Table
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Obsolete
Pb
A
H
P
SOIC-16W
3
260
TUBE
47
N
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
Price N/A
More Details
Active, Not Rec
Pb
A
H
P
SOIC-16W
3
260
REEL
1000
N
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
$1.4298
More Details
Active, Not Rec
Pb
A
H
P
PDIP-16
NA
0
TUBE
25
N
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
$1.4298
More Details
Obsolete
Pb
A
H
P
SOIC-16W
3
260
TUBE
47
N
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
Price N/A
More Details
Obsolete
Pb
A
H
P
SOIC-16W
3
260
REEL
1000
N
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
Price N/A
More Details
Active, Not Rec
Pb
A
H
P
PDIP-16
NA
0
TUBE
25
N
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
$1.4
More Details
Obsolete
Pb
A
H
P
SOIC-16W
3
260
REEL
1000
N
Flyback
Voltage Mode
1000
No
Yes
Yes
No
Yes
20
200 / 200
Price N/A
More Details
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