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STMICROELECTRONICS STCH03TR
PWM Controller, Current Mode, 11.5V to 23V Supply, 167kHz, 650V HV Start-Up Cell, SOIC-8
- Manufacturer:
- STMICROELECTRONICS STMICROELECTRONICS
- Manufacturer Part No:
- STCH03TR
- Order Code:
- 2893186
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- Product Range
- -
- Technical Datasheet:
- STCH03TR Datasheet
- ECAD / MCAD
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Product Overview
The STCH03 current-mode controller is designed for an offline quasi-resonant ZVS (zerovoltage-switching at switch turn-on) flyback converter. It combines a high-performance low-voltage PWM controller chip and a 650V HV start-up cell in the same package. The device features a unique characteristic: it is capable of providing constant output current (CC) regulation using primary-sensing feedback. This eliminates the need for dedicated current reference IC, as well as the current sensor, still maintaining quite accurate output current regulation.
- Advanced power management for ultra-low standby power consumption (under 10 mW at 230 VAC)
- Fully integrated primary side constant current output regulation (CC)
- 650 V embedded HV start-up circuit with zero power consumption
- Quasi-resonant (QR) zero-voltage-switching (ZVS) operation
- Accurate and adjustable output OVP with options auto-restart (STCH03) or latched (STCH03L) after fault
- Output undervoltage protection (UVP) with auto-restart
- Input voltage feedforward compensation for mains-independent CC regulation
- Embedded thermal shutdown
- Intelligent frequency jitter for EMI suppression
Applications
Power Management
Product Information
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- Quasi-Resonant Controller
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- 1Channels
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- Current Mode Control
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- 11.5V
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- 23V
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- SOIC
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- 8Pins
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- Surface Mount
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- 154kHz
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- -
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- -
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- -
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- 50%
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- Flyback
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- -40°C
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- 150°C
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- -
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- -
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- MSL 3 - 168 hours
Technical Documents (2)
Packaging type
Cut Tape
528 In stock Need more?
528 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)
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Extra stock is available upon order to the Supplier Lead Time which is approximately 10/27/25
528 deliver in 3-4 business days from our UK warehouse
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
¥208.64
(¥229.50 Inc. JCT)
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| Quantity | Price (Incl JCT) |
|---|---|
| 1+ | ¥208.64 (¥229.50) |
| 10+ | ¥137.95 (¥151.75) |
| 50+ | ¥135.57 (¥149.13) |
| 100+ | ¥133.18 (¥146.50) |
| 250+ | ¥130.80 (¥143.88) |
| 500+ | ¥128.41 (¥141.25) |
| 1000+ | ¥126.03 (¥138.63) |
| 2500+ | ¥123.64 (¥136.00) |
| Quantity | Price (Incl JCT) |
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