ChongMing Group (HK) Int'l Co., Ltd
| Payment Terms | T/T, Western Union, Paypal |
| Supply Ability | 9200pcs |
| Delivery Time | 1 day |
| Packaging Details | Please contact me for details |
| Description | Converter Offline Flyback, Forward Topology Up to 500kHz 8-SOIC |
| Power Supply voltage, Vcc pin, continuous voltage | 28 V |
| Maximum current injected into pin 7 | 20 mA |
| Maximum voltage on low power pins (except pin 6, 7) | −0.3 to 10 V |
| Thermal Resistance Junction−to−Air – SO8 | 180 °C/W |
| Maximum Junction Temperature | 150 °C |
| Storage Temperature | −60 to +150 °C |
| Brand Name | |
| Model Number | NCP1252ADR2G |
| Certification | new & original |
| Place of Origin | original factory |
View Detail Information
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Product Specification
| Payment Terms | T/T, Western Union, Paypal | Supply Ability | 9200pcs |
| Delivery Time | 1 day | Packaging Details | Please contact me for details |
| Description | Converter Offline Flyback, Forward Topology Up to 500kHz 8-SOIC | Power Supply voltage, Vcc pin, continuous voltage | 28 V |
| Maximum current injected into pin 7 | 20 mA | Maximum voltage on low power pins (except pin 6, 7) | −0.3 to 10 V |
| Thermal Resistance Junction−to−Air – SO8 | 180 °C/W | Maximum Junction Temperature | 150 °C |
| Storage Temperature | −60 to +150 °C | Brand Name | |
| Model Number | NCP1252ADR2G | Certification | new & original |
| Place of Origin | original factory | ||
| High Light | electronics ic chip ，integrated circuit components | ||
NCP1252
Current Mode PWM Controller for Forward and Flyback Applications
The NCP1252 controller offers everything needed to build cost− effective and reliable ac−dc switching supplies dedicated to ATX power supplies. Thanks to the use of an internally fixed timer, NCP1252 detects an output overload without relying on the auxiliary Vcc. A Brown−Out input offers protection against low input voltages and improves the converter safety. Finally a SOIC8 package saves PCB space and represents a solution of choice in cost sensitive project.
Features
• Peak Current Mode Control
• Adjustable Switching Frequency up to 500 kHz
• Jittering Frequency ±5% of the Switching Frequency
• Latched Primary Over Current Protection with 10 ms Fixed Delay
• Delayed Operation Upon Start−up via an Internal Fixed Timer
• Adjustable Soft−start Timer
• Auto−recovery Brown−Out Detection
• UC384X−like UVLO Thresholds
• Vcc Range from 9 V to 28 V with Auto−recovery UVLO
• Internal 160 ns Leading Edge Blanking
• Adjustable Internal Ramp Compensation
• +500 mA / –800 mA Source / Sink Capability
• Maximum 50% Duty Cycle: A Version
• Maximum 80% Duty Cycle: B Version
• Ready for Updated No Load Regulation Specifications
• SOIC−8 Package
• This is a Pb−Free Device
Typical Applications
• Power Supplies for PC Silver Boxes, Games Adapter...
• Flyback and Forward Converter
MAXIMUM RATINGS TABLE (Notes 1 and 2)
| Symbol | Rating | Value | Unit |
|---|---|---|---|
| VCC | Power Supply voltage, Vcc pin, transient voltage: 10 ms with IVcc < 20 mA | 30 | V |
| VCC | Power Supply voltage, Vcc pin, continuous voltage | 28 | V |
| IVcc | Maximum current injected into pin 7 | 20 | mA |
| Maximum voltage on low power pins (except pin 6, 7) | −0.3 to 10 | V | |
| RθJ−A – SO | Thermal Resistance Junction−to−Air – SO8 | 180 | °C/W |
| TJMAX | Maximum Junction Temperature | 150 | °C |
| Storage Temperature Range | −60 to +150 | °C | |
| ESD Capability, HBM model | 1.8 | kV | |
| ESD Capability, Machine Model | 200 | V |
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
1. This device series contains ESD protection and exceeds the following tests: Human Body Model 1800 V per JEDEC Standard JESD22−A114E. Machine Model Method 200 V per JEDEC Standard JESD22−A115A.
2. This device contains latch−up protection and exceeds 100 mA per JEDEC Standard JESD78.
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Company Details
Business Type:
Distributor/Wholesaler
Year Established:
2008
Total Annual:
5000000-7000000
Employee Number:
80~100
Ecer Certification：
Active Member
CHONGMING GROUP (HK) INT'L CO., LTD. located in Hong Kong and Shenzhen. We are an independent Distributor of Electronic Components,established in 2008. AS a growing fast company, CM GROUP is renowned for its world-class efficiency, excellent services, and extraordinary ability to supply electron... CHONGMING GROUP (HK) INT'L CO., LTD. located in Hong Kong and Shenzhen. We are an independent Distributor of Electronic Components,established in 2008. AS a growing fast company, CM GROUP is renowned for its world-class efficiency, excellent services, and extraordinary ability to supply electron...
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