NCP1051ST136T3
- Mfr.Part #
- NCP1051ST136T3
- Manufacturer
- onsemi
- Package / Case
- TO-261-4, TO-261AA
- Datasheet
- Download
- Description
- IC OFFLINE SWITCH FLYBACK SOT223
- Stock
- 21,932
- In Stock :
- 21,932
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- Manufacturer :
- onsemi
- Product Category :
- AC DC Converters, Offline Switches
- Mounting Type :
- Surface Mount
- Switcher Configuration :
- Single
- Input Voltage (Max) :
- 8.5V
- Number of Pins :
- 4
- RoHS Status :
- ROHS3 Compliant
- Pin Count :
- 4
- Analog IC - Other Type :
- SWITCHING REGULATOR
- Mount :
- Surface Mount
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Control Technique :
- PULSE WIDTH MODULATION
- Operating Temperature :
- -40°C~150°C TJ
- Lifecycle Status :
- ACTIVE (Last Updated: 1 week ago)
- Terminal Finish :
- Tin (Sn)
- Width :
- 3.5mm
- Packaging :
- Tape and Reel (TR)
- Voltage - Breakdown :
- 700V
- Control Mode :
- VOLTAGE-MODE
- Terminal Form :
- Gull wing
- Max Power Dissipation :
- 40W
- Fault Protection :
- Current Limiting, Open Loop, Over Load, Over Temperature
- Package / Case :
- TO-261-4, TO-261AA
- Topology :
- Flyback
- Internal Switch(s) :
- yes
- Height :
- 1.57mm
- ECCN Code :
- EAR99
- Frequency :
- 136kHz
- Radiation Hardening :
- No
- Pbfree Code :
- yes
- Duty Cycle :
- 77%
- Number of Terminations :
- 4
- Voltage - Supply (Vcc/Vdd) :
- 7.5V~10V
- Factory Lead Time :
- 2 Weeks
- Input Voltage (Min) :
- 7.5V
- Lead Free :
- Lead Free
- Terminal Position :
- Dual
- Output Isolation :
- Isolated
- Input Voltage-Nom :
- 8V
- Number of Functions :
- 1
- Length :
- 6.5mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Voltage - Start Up :
- 8.5V
- Peak Reflow Temperature (Cel) :
- 260
- Halogen Free :
- Halogen Free
- Base Part Number :
- NCP1051
- Max Output Current :
- 200mA
- Number of Outputs :
- 1
- Terminal Pitch :
- 2.3mm
- Published :
- 2006
- JESD-609 Code :
- e3
- Datasheets
- NCP1051ST136T3

AC DC Converters, Offline Switches onsemi NCP1051ST136T3 Overview
The onsemi NCP1051ST136T3 integrates advanced controller capabilities with a high-voltage switch to offer a robust solution for compact, efficient, and flexible flyback power supply designs. This versatile IC is designed for offline switching applications, making it ideal for transforming unregulated AC to DC voltage with enhanced power efficiency and reliability. Tailored for demanding environments, it ensures a minimal external component count, contributing to reduced system costs and complexity. The integration of advanced features such as adjustable operating frequency and internal soft start minimizes startup stress, making the NCP1051ST136T3 an excellent choice for developers looking to balance performance with operational longevity.
NCP1051ST136T3 Features
- Integrated high-voltage switch
- Adjustable operating frequency for design flexibility
- Internal soft start to reduce electrical stress at startup
- Built-in over-temperature, over-current, and over-voltage protection
- Compact SOT223 package suitable for space-constrained applications
NCP1051ST136T3 Applications
- Consumer Electronics
This IC can be utilized in a variety of consumer electronics, such as power supplies for set-top boxes, gaming consoles, and home appliances, where reliable power management is crucial.
- Industrial Power Supplies
In industrial settings, the NCP1051ST136T3 is ideal for power supply solutions that require robustness and high reliability, contributing to safer and more efficient operational environments.
- LED Lighting
Perfect for driving LED fixtures, particularly in scenarios requiring compact size and efficient power conversion, which is a common requirement in both commercial and residential lighting designs.
- Standby Power Systems
This device ensures reliable backup power for critical applications, essential in maintaining system operations during main power failures.
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