Product overview
Description
The STCH02 is a PWM quasi resonant controller specifically designed for ultra-low standby power supplies.
The built-in HV start-up cell with zero power consumption, the fully integrated blocks for primary side constant current output regulation and the advanced power management make this IC the best choice to build a high efficiency and ultra-low standby consumption power supply, with high overall and excellent dynamic performances.
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All features
- Advanced power management for ultra-low standby power consumptions (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
- Automatic self-supply
- Accurate and adjustable output OVP with autorestart after fault
- Input voltage feedforward compensation for mains-independent CC regulation
- Intelligent frequency jitter for EMI suppression
- SO-8 package
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EDA Symbols, Footprints and 3D Models
STMicroelectronics - STCH02
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| STCH02TR | NRND | SO-8 | Industrial | 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) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STCH02TR | | | distributors No availability of distributors reported, please contact our sales office |
STCH02TR NRND
(*) 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