(China (Mainland))
Product Summary
The ka3511 is a fixed-frequency improved-performance pulse-width modulation control circuit with complete housekeeping circuitry for use in the secondary side of SMPS (Switched mode power supply). The ka3511 contains various functions, which are precision voltage reference, over voltage protection, under voltage protection, remote on/off control, power good signal generator and etc.
Parametrics
ka3511 absolute maximum ratings: (1)Supply voltage:40 V; (2)Collector output voltage:40 V; (3)Collector output current:200 mA; (4)Power dissipation:1 W; (5)Operating temperature:-25 to 85℃; (6)Storage temperature:-65 to 150℃.
Features
ka3511 features: (1)Complete PWM control and house keeping circuitry; (2)Few external components; (3)Precision voltage reference trimmed to 2%; (4)Dual output for push-pull operation; (5)Each output TR for 200mA sink current; (6)Variable duty cycle by dead time control; (7)Soft start capability by using dead time control; (8)Double pulse suppression logic; (9)Over voltage protection for 3.3V / 5V / 12V; (10)Under voltage protection for 3.3V / 5V / 12V; (11)One more external input for various protection (PT); (12)Remote on/off control function (PS-ON); (13)Latch function controlled by remote and protection input; (14)Power good signal generator with hysteresis; (15)22-Pin dual in-line package.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||
|---|---|---|---|---|---|---|---|---|---|---|
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 KA3511BS |
Other |
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Data Sheet |
Negotiable |
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KA3511DS |
Fairchild Semiconductor |
Voltage Mode PWM Controllers PWM/ Secondary Combo IC |
Data Sheet |
Negotiable |
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