Offline Controllers | CS51221
概览
CS51221 增强电压模式 PWM 控制器包括基本电压模式运行所需的所有特性。此 PWM 控制器针对高频率初级侧控制运行进行了优化。另外，此器件包括以下功能： 软启动，准确占空比限制控制，小于 50uA 的启动电流，过电压和欠电压保护，以及双向同步。CS51221 采用 SOIC-16 和 TSSOP-16 表面贴装封装。
- Hot Swap - DC-DC Conversion
- 1MHz Frequency Capability
- Fixed Frequency Voltage Mode Operation, with Feed Forward
- Thermal Shutdown
- Under Voltage Lock-out
- Accurate Programmable Max Duty Cycle Limit
- 1A Sink/Source Gate Drive
- Programmable Pulse-by-Pulse Overcurrent Protection
- Leading Edge Current Sense Blanking
- 75ns Shutdown Propagation Delay
- Programmable Soft Start
- Undervoltage Protection
- Overvoltage Protection with Programmable Hysteresis
- Bi-directional Synchronization
- 25ns GATE Rise and Fall Time (1nF load)
- 3.3V 3% Reference Voltage Output
- Pb-Free Package is Available
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Obsolete
Pb
A
H
P
SOIC-16
1
260
TUBE
48
N
Forward
Voltage Mode
Up to 1000
No
Yes
No
Yes
Yes
15
1000
Price N/A
More Details
Last Shipments
Pb
A
H
P
SOIC-16
1
260
REEL
2500
N
Forward
Voltage Mode
Up to 1000
No
Yes
No
Yes
Yes
15
1000
Price N/A
More Details
Obsolete
Pb
A
H
P
TSSOP-16
1
260
TUBE
96
N
Forward
Voltage Mode
Up to 1000
No
Yes
No
Yes
Yes
15
1000
Price N/A
More Details
Obsolete
Pb
A
H
P
TSSOP-16
1
260
REEL
2500
N
Forward
Voltage Mode
Up to 1000
No
Yes
No
Yes
Yes
15
1000
Price N/A
More Details
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