CS51227, CS512277, CS5124D Selling Leads, Datasheet
MFG:N/A Package Cooled:SOP-8 D/C:09+
CS51227, CS512277, CS5124D Datasheet download
Part Number: CS51227
MFG: N/A
Package Cooled: SOP-8
D/C: 09+
CS51227, CS512277, CS5124D
- Table of contents:
Info of CS51227
Info of CS512277
Info of CS5124D
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About CS51227
PDF/DataSheet Download
Datasheet: CS51227
File Size: 76884 KB
Manufacturer:
Download : Click here to Download
About CS5012A
PDF/DataSheet Download
Datasheet: CS5012A
File Size: 1230709 KB
Manufacturer: CIRRUS [Cirrus Logic]
Download : Click here to Download
About CS5012A
PDF/DataSheet Download
Datasheet: CS5012A
File Size: 1230709 KB
Manufacturer: CIRRUS [Cirrus Logic]
Download : Click here to Download
CS51227 General Description
The CS51227 is a fixed frequency, single output PWM controller using feed forward voltage mode control. Feed forward control provides superior line regulation and line transient response. This PWM controller has been optimized for high frequency primary side control operation. It has undervoltage lockout with 4.7 V start up voltage and 75 A start up current. One external capacitor can program the switching frequency up to 1.0 MHz. The protection features include pulsebypulse current limit with leading edge blanking and thermal shutdown. The CS51227 is available in 8 lead SO narrow surface mount package.
CS51227 Maximum Ratings
|
Rating |
Value |
Unit |
| Operating Junction Temperature, TJ |
150 |
°C |
| Storage Temperature Range,TS |
65 to 150 |
°C |
| ESD Susceptibility (Human Body Model) |
2.0 |
KV |
| Lead Temperature Soldering: Reflow:(SMD styles only)(Note1.) |
230 peak |
°C |
*The maximum package power dissipation must be observed.
CS51227 Features
• 1.0 MHz Frequency Capability
• 4.7 V StartUp Voltage
• Fixed Frequency Voltage Mode Operation with Feed Forward
• Undervoltage Lockout
• 75 A StartUp Current
• Thermal Shutdown
• 1.0 A Sink/Source Gate Drive
• PulseByPulse Current Limit with Leading Edge Blanking
• 50 ns GATE Rise and Fall Time (1.0 nF Load)
• Maximum Duty Cycle Over 85%
• Programmable VoltSecond Clamp
• 4.7 V StartUp Voltage
• Fixed Frequency Voltage Mode Operation with Feed Forward
• Undervoltage Lockout
• 75 A StartUp Current
• Thermal Shutdown
• 1.0 A Sink/Source Gate Drive
• PulseByPulse Current Limit with Leading Edge Blanking
• 50 ns GATE Rise and Fall Time (1.0 nF Load)
• Maximum Duty Cycle Over 85%
• Programmable VoltSecond Clamp
CS51227 Connection Diagram
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