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Overview
| Topology | Other Topology |
| IC revision | 3 |
Description
ALTAIR04-900 is a high-voltage all-primary-sensing switcher intended for operating directly from the rectified mains with minimum external parts. It combines a high-performance low-voltage PWM controller chip and a 900 V avalanche-rugged power section in the same package.
Features
- Primary side constant voltage operations with no optocoupler
- Adjustable and main-independent maximum output current for safe operations during overload/short circuit conditions
- 900 V avalanche rugged internal power section
- Quasi-resonant valley switching operation
- Low standby consumption
- Overcurrent protection against transformer saturation and secondary diode short circuit
- SO16 package
Typical applications
- SMPS for energy metering
- AC-DC adapters
- Auxiliary power supplies for 3-phase input industrial systems
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | VOut2 (V) | IOut2 (A) | Vaux (V) | fswitch (kHz) | L (mH) | NPRI : NSEC : NAUX | Size | IR (A) | L1 (mH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 760871431 | SPEC | 10 files | Active i| Production is active. Expected lifetime: >10 years. | WE-OLSTM Offline Flyback Transformers | 88 - 265 V (AC) | 4.5 | 0.15 | 13 | 0.42 | 12 | 55 | 2 | 27.67:1:3.17:1.22 | EE16/7/5 | – | – | – | – | 4500 | – | 18 | 16.5 | 18 | THT | ||
 | 7446121010 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 10 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LF Common Mode Power Line Choke | – | – | – | – | – | – | – | 10 | – | SV | 0.7 | 10 | 0.55 | 250 | 1500 | MnZn | 18.5 | 13.5 | 20.5 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 760871431 | SPEC | |
| 7446121010 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | VOut2 (V) | IOut2 (A) | Vaux (V) | fswitch (kHz) | L (mH) | NPRI : NSEC : NAUX | Size | IR (A) | L1 (mH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
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