CS5127, CS5127WZU4, CS5128-KP Selling Leads, Datasheet
MFG:CRYSTRL Package Cooled:SOP D/C:98
CS5127, CS5127WZU4, CS5128-KP Datasheet download
Part Number: CS5127
MFG: CRYSTRL
Package Cooled: SOP
D/C: 98
CS5127, CS5127WZU4, CS5128-KP
- Table of contents:
Info of CS5127
Info of CS5127WZU4
Info of CS5128-KP
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About CS5127
PDF/DataSheet Download
Datasheet: CS5127
File Size: 300455 KB
Manufacturer: CHERRY [Cherry Semiconductor Corporation]
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
CS5127 General Description
The CS5127 is a fixed frequency dual output nonsynchronous buck controller. It contains circuitry for regulating two separate outputs.
Each output channel contains a high gain error amplifier, a comparator and latch, and a totem-pole output driver capable of providing DC current of 100mA and peak current in excess of 0.5A. A common oscillator controls switching for both channels, and a sync lead is provided to allow parallel supply operation or shifting of the switching noise spectrum. An on-chip 5V reference is capable of providing as much as 10mA of current for external circuitry. The CS5127 also contains two undervoltage lockout circuits. The first lockout releases when VIN reaches 8.4V, while the second lockout ensures that VREF is higher than 3.6V. The outputs are held in a low state until both lockouts have released. The controller is configured to utilize the V2TM control method to achieve the fastest possible transient response and best overall regulation. This dual controller is a cost-effective solution for providing VCORE and VIO power solutions in computing applications using a single controller.
The CS5127 will operate over an input voltage range of 9.4V to 20V and is available in a 16 lead wide body surface mount package.
Each output channel contains a high gain error amplifier, a comparator and latch, and a totem-pole output driver capable of providing DC current of 100mA and peak current in excess of 0.5A. A common oscillator controls switching for both channels, and a sync lead is provided to allow parallel supply operation or shifting of the switching noise spectrum. An on-chip 5V reference is capable of providing as much as 10mA of current for external circuitry. The CS5127 also contains two undervoltage lockout circuits. The first lockout releases when VIN reaches 8.4V, while the second lockout ensures that VREF is higher than 3.6V. The outputs are held in a low state until both lockouts have released. The controller is configured to utilize the V2TM control method to achieve the fastest possible transient response and best overall regulation. This dual controller is a cost-effective solution for providing VCORE and VIO power solutions in computing applications using a single controller.
The CS5127 will operate over an input voltage range of 9.4V to 20V and is available in a 16 lead wide body surface mount package.
CS5127 Maximum Ratings
Operating Junction Temperature, TJ.........................................................................................150
Storage Temperature Range, TS....................................................................................-65 to 150
ESD (Human Body Model)............................................................................................................2kV
Lead Temperature Soldering: Reflow (SMD styles only).........60 sec. max above 183, 230 peak
Storage Temperature Range, TS....................................................................................-65 to 150
ESD (Human Body Model)............................................................................................................2kV
Lead Temperature Soldering: Reflow (SMD styles only).........60 sec. max above 183, 230 peak
CS5127 Features
·Nonsynchronous Buck Design
·V2ª Control Topology
·100ns Transient Loop Response
·Programmable Oscillator Frequency
·30ns Typical Gate Rise and 10ns Fall Times (No Load)
·Frequency Synchronization Input
·ENABLE Input Controls Channel 2 Gate Driver
·5V/10mA Reference Output
·V2ª Control Topology
·100ns Transient Loop Response
·Programmable Oscillator Frequency
·30ns Typical Gate Rise and 10ns Fall Times (No Load)
·Frequency Synchronization Input
·ENABLE Input Controls Channel 2 Gate Driver
·5V/10mA Reference Output
CS5127 Connection Diagram
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