SMPS Controller With Error Amp Reference, Hiccup, and Cycle-Skip
The IN-PLUG IPS318 is an enhanced low input voltage version of the IPS18. It includes additional features such as soft start. Like the IPS18, the IPS318 was designed for low-cost, high-efficiency, low-power switching power supplies. It contains a shunt-regulator, a precision oscillator, a PWM with its associated comparator, error amplifier, error reference, and loop compensation components as well as all the necessary biasing and protection circuitry (thermal shutdown, under-voltage, and over-current).
Features
- Cycle-Skipping for minimal dissipation under no-load conditions
- Low cost solution for low-power off-line flyback applications
- Simple, less critical, lower cost transformer
- Wide range PWM for stable operation at any load and line voltage
- Suitable for constant-power applications
- Operates with optocoupler or bias winding for constant voltage applications
- Power shut-down for stand-by modes
- Cycle-to-cycle over-current protection
- Under-voltage protection
- Error amp and voltage reference for non-isolated and DC-DC applications
- Reduced VCC for lower voltage requirements, such as automotive applications
- Hiccup mode for sustained overload conditions
- Cycle-skip for no-load conditions
Applications
- Standby power supplies for TV, VCR and IR remotely-controlled appliances
- Cordless phones and cellphone chargers
- Power tools fast chargers with trickle and on/off
- Laptops and personal digital assistants
- Utility meters
- Replacements for bulky plug-in transformers
Ordering Information | Ordering PN(1) | Subgroup | Description | Temp. Range | Package | Packing Type | Packing Qty | | IPS318 C-D-G-LF | Controller | IPS315H + Cycle Skipping
| Commercial | 8-Pin DIP | Tube | 50 | | IPS318 A-D-G-LF | Controller | IPS315H + Cycle Skipping
| Automotive | 8-Pin DIP | Tube | 50 | | IPS318 C-SO-G-LF | Controller
| IPS315H + Cycle Skipping | Commercial | 8-Pin SOIC | Tube | 98 | | IPS318 A-SO-G-LF | Controller | IPS315H + Cycle Skipping | Automotive | 8-Pin SOIC | Tube | 98 | | IPS318 C-SO-G-LF-TR | Controller | IPS315H + Cycle Skipping | Commercial | 8-Pin SOIC | 13” T&R (2) | 2500 | | IPS318 A-SO-G-LF-TR | Controller | IPS315H + Cycle Skipping | Automotive | 8-Pin SOIC | 13” T&R (2) | 2500 |
(1) Only RoHS/Lead-Free Packaging is normally offered.
(2) T&R - Tape and Reel
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Download the application note
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