Product overview
Description
The ALTAIR04-900 is a high voltage all-primary-sensing switcher, 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.
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All features
- Optoless primary side constant voltage operations
- Adjustable and mains-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
- SO16N package
Circuit Diagram
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Double output SMPS for power line applications using the ALTAIR04-900 primary controller
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ActiveDouble output SMPS for power line applications using the ALTAIR04-900 primary controller
Power supplies and converters -- STEVAL-ISA133V1Description:
Double output SMPS for power line applications using the ALTAIR04-900 primary controller
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All resources
| Resource title | Version | Latest update |
|---|
Product Specifications (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 3.0 | 14 Oct 2014 | 14 Oct 2014 |
Application Notes (2)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 3.0 | 12 Dec 2024 | 12 Dec 2024 | ||
| 1.0 | 13 Sep 2018 | 13 Sep 2018 |
Brochures (4)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.0 | 17 Mar 2023 | 17 Mar 2023 | ||
| 12.2024 | 09 Jan 2025 | 09 Jan 2025 | ||
| 08.2022 | 12 Aug 2022 | 12 Aug 2022 | ||
| 08.2022 | 17 Aug 2022 | 17 Aug 2022 |
EDA Symbols, Footprints and 3D Models
STMicroelectronics - ALTAIR04-900
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Symbols
Footprints
3D models
All resources
| Resource title | Version | Latest update |
|---|
SPICE models (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| ZIP | 13 Jan 2016 | 13 Jan 2016 |
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| ALTAIR04-900 | Active | SO-16 | Industrial | Ecopack2 | |
| ALTAIR04-900TR | Active | SO-16 | Industrial | Ecopack2 |
Marketing Status
Package
SO-16
Grade
Industrial
RoHS Compliance Grade
Ecopack2
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | Transistor Breakdown Voltage (V) (min) | Drain Current (A) (nom) | RDS(on) (Ω) (max) | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ALTAIR04-900 | Active | 0.5429 / 1k | Available at 2 distributors Distributor availability of ALTAIR04-900
Distributor reported inventory date: 3/26/2025 | | | | Buy from Distributor | | SO-16 | Tube | THAILAND | EAR99 | NEC |
| 0.7 |
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| ALTAIR04-900TR | Active | 0.5429 / 1k | Available at 3 distributors Distributor availability of ALTAIR04-900TR
Distributor reported inventory date: 3/26/2025 | | | | Buy from Distributor | | SO-16 | Tape and Reel | THAILAND | EAR99 | NEC |
| 0.7 |
|
ALTAIR04-900 Active
Part Number:
ALTAIR04-900
Transistor Breakdown Voltage (V) (min):
-
Drain Current (A) (nom):
0.7
RDS(on) (Ω) (max):
-
MOUSER
Stock
966Min.Order
1DIGIKEY
Stock
40Min.Order
1Distributor reported inventory date: 3/26/2025
Stock
Min.Order
ALTAIR04-900TR Active
Part Number:
ALTAIR04-900TR
Transistor Breakdown Voltage (V) (min):
-
Drain Current (A) (nom):
0.7
RDS(on) (Ω) (max):
-
MOUSER
Stock
21914Min.Order
1FUTURE
Stock
2500Min.Order
0DIGIKEY
Stock
8813Min.Order
1Distributor reported inventory date: 3/26/2025
Stock
Min.Order
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors