CS279, CS2841B, CS2841BD14 Selling Leads, Datasheet
MFG:CHERRY Package Cooled:DIP D/C:09+
CS279, CS2841B, CS2841BD14 Datasheet download
Part Number: CS279
MFG: CHERRY
Package Cooled: DIP
D/C: 09+
CS279, CS2841B, CS2841BD14
- Table of contents:
Info of CS279
Info of CS2841B
Info of CS2841BD14
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About CS20
PDF/DataSheet Download
Datasheet: CS20
File Size: 260255 KB
Manufacturer: IXYS [IXYS Corporation]
Download : Click here to Download
About CS2841B
PDF/DataSheet Download
Datasheet: CS2841B
File Size: 166887 KB
Manufacturer: CHERRY [Cherry Semiconductor Corporation]
Download : Click here to Download
About CS20
PDF/DataSheet Download
Datasheet: CS20
File Size: 260255 KB
Manufacturer: IXYS [IXYS Corporation]
Download : Click here to Download
CS2841B General Description
The CS2841B provides all the necessary features to implement offline fixed frequency current-mode control with a minimum number of external components.
The CS2841B (a variation of the CS-2843A) is designed specifically for use in automotive operation. The low start threshold voltage of 8.0V (typ), and the ability to survive 40V automotive load dump transients are important for automotive subsystem designs. The CS-2841 series has a history of quality and reliability in automotive applications.
The CS2841B incorporates a precision temperature-controlled oscillator with an internally trimmed discharge current to minimize variations in frequency. Duty-cycles greater than 50% are also possible. On board logic ensures that VREF is stabilized before the output stage is enabled. Ion implant resistors provide tighter control of undervoltage lockout.
CS2841B Maximum Ratings
Supply Voltage (Low Impedance Source)......................................................... 40V
Output Current ...............................................................................................±1A
Output Energy (Capacitive Load) ......................................................................5J
Analog Inputs (VFB, Sense) .............................................................. -0.3V to 5.5V
Error Amp Output Sink Current......................................................................10mA
Lead Temperature Soldering
Wave Solder (through hole styles only) ......................10 sec. max, 260°C peak
Reflow (SMD styles only) .....................60 sec. max above 183°C, 230°C peak
Output Current ...............................................................................................±1A
Output Energy (Capacitive Load) ......................................................................5J
Analog Inputs (VFB, Sense) .............................................................. -0.3V to 5.5V
Error Amp Output Sink Current......................................................................10mA
Lead Temperature Soldering
Wave Solder (through hole styles only) ......................10 sec. max, 260°C peak
Reflow (SMD styles only) .....................60 sec. max above 183°C, 230°C peak
CS2841B Features
· Optimized for Off-line Control
· Internally Trimmed Temperature Compensated Oscillator
· Maximum Duty-cycle Clamp
· VREF Stabilized before Output Stage Enabled
· Low Start-up Current
· Pulse-by-pulse Current Limiting
· Improved Undervoltage Lockout
· Double Pulse Suppression
· 1% Trimmed Bandgap Reference
· High Current Totem Pole Output
· Internally Trimmed Temperature Compensated Oscillator
· Maximum Duty-cycle Clamp
· VREF Stabilized before Output Stage Enabled
· Low Start-up Current
· Pulse-by-pulse Current Limiting
· Improved Undervoltage Lockout
· Double Pulse Suppression
· 1% Trimmed Bandgap Reference
· High Current Totem Pole Output
CS2841B Connection Diagram
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