KA3885, KA3906, KA393 (LM393) Selling Leads, Datasheet
MFG:SMG Package Cooled:SAMSUNG D/C:96
KA3885, KA3906, KA393 (LM393) Datasheet download
Part Number: KA3885
MFG: SMG
Package Cooled: SAMSUNG
D/C: 96
KA3885, KA3906, KA393 (LM393)
- Table of contents:
Info of KA3885
Info of KA3906
Info of KA393 (LM393)
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About KA3885
PDF/DataSheet Download
Datasheet: KA3885
File Size: 71170 KB
Manufacturer: FAIRCHILD [Fairchild Semiconductor]
Download : Click here to Download
About KA3011
PDF/DataSheet Download
Datasheet: KA3011
File Size: 325462 KB
Manufacturer: FAIRCHILD [Fairchild Semiconductor]
Download : Click here to Download
About KA3011
PDF/DataSheet Download
Datasheet: KA3011
File Size: 325462 KB
Manufacturer: FAIRCHILD [Fairchild Semiconductor]
Download : Click here to Download
KA3885 General Description
The KA3882/3/4/5 are fixed PWM controller for Off-Line and DC to DC converter applications. The internal circuits include UVLO, low start up current circuit, temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totempole output for driving a POWER MOSFET. Also KA 3882/3/4/5 provide low start up current below 0.3mA and short shutdown delay time typ. 100ns.
The KA3882 and KA3884 have UVLO threshold of 1 6V(on) and 10V(off).
The KA3883 and KA3885 are 8.4V(on) and 7.6V(off).
The KA3882 and KA3883 can operate within 100% duty cycle.
The KA3884 and KA3885 within 50% by using T Flip-Flop.
KA3885 Maximum Ratings
| Parameter | Symbol | Value | Unit |
| Supply voltage | VCC | 30 | V |
| Output current | IO | +1 | A |
| Analog inputs (pin2, 3) | VI(ANA) | -0.3 to 6.3 | V |
| Error amp. output sink current | ISINK(EA) | 10 | mA |
| Power dissipation | PD | 1 | W |
KA3885 Features
· Low Start Current 0.2mA (typ)
· Operating Range Up To 500KHz
· Cycle by Cycle Current Limiting
· Under Voltage Lock Out With Hysteresis
· Short Shutdown Delay Time: typ.100ns
· High Current Totempole Output
· Output Swing Limiting: 22V
· Operating Range Up To 500KHz
· Cycle by Cycle Current Limiting
· Under Voltage Lock Out With Hysteresis
· Short Shutdown Delay Time: typ.100ns
· High Current Totempole Output
· Output Swing Limiting: 22V
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