Shenzhen Hongxinwei Technology Co., Ltd
| Payment Terms | T/T, Western Union |
| Supply Ability | 4000PCS/WEEK |
| Delivery Time | 2-3DAYS |
| Packaging Details | 2000PCS/REEL |
| Output current | ±2 A |
| Output rise time | 60 ns |
| fall time | 40 ns |
| Supply voltage range | 12 to 36 V |
| Operating frequency | less than 500 kHz |
| Factory packing quantity | 2000 |
| Brand Name | RENESAS |
| Model Number | M51995AFP#CF0J |
| Certification | ROHS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, Western Union | Supply Ability | 4000PCS/WEEK |
| Delivery Time | 2-3DAYS | Packaging Details | 2000PCS/REEL |
| Output current | ±2 A | Output rise time | 60 ns |
| fall time | 40 ns | Supply voltage range | 12 to 36 V |
| Operating frequency | less than 500 kHz | Factory packing quantity | 2000 |
| Brand Name | RENESAS | Model Number | M51995AFP#CF0J |
| Certification | ROHS | Place of Origin | CHINA |
M51995AFP#CF0J RENESAS Feed forward regulator, fly-back regulator
1.Description
M51995A is the primary switching regulator controller which is especially designed to get the regulated DC voltagefrom AC power supply.
This IC can directly drive the MOS-FET with fast rise and fast fall output pulse.
Type M51995A has the functions of not only high frequency OSC and fast output drive but also current limit with fastresponse and high sensibility so the true “fast switching regulator” can be realized.It has another big feature of current protection to short and over current, owing to the integrated timer-type protectioncircuit, if few parts are added to the primary side.
The M51995A is equivalent to the M51977 with externally re-settable OVP (over voltage protection) circuit.
2.Features
• 500 kHz operation to MOS FET
Output current : ±2 A
Output rise time 60 ns, fall time 40 ns
Modified totempole output method with small through current
• Compact and light-weight power supply
Small start-up current : 90 µA typ.
Big difference between “start-up voltage” and “stop voltage” makes the smoothing capacitor of the power inputsection small.Start-up threshold 16 V, stop voltage 10 V
Packages with high power dissipation are used to with-stand the heat generated by the gate-drive current of MOSFET.16-pin DIP, 20-pin SOP 1.5 W (at 25°C)
• Simplified peripheral circuit with protection circuit and built-in large-capacity totempole output
High-speed current limiting circuit using pulse-by-pulse method (Two system of CLM+pin, CLM−pin)
Protection by intermittent operation of output over current : Timer protection circuit
Over-voltage protection circuit with an externally re-settable latch (OVP)
Protection circuit for output miss action at low supply voltage (UVLO)
• High-performance and highly functional power supply
Triangular wave oscillator for easy dead time setting
3.Application
Feed forward regulator, fly-back regulator
4.Recommended Operating Conditions
• Supply voltage range: 12 to 36 V
• Operating frequency: less than 500 kHz
• Oscillator frequency setting resistance
T-ON pin resistance RON: 10 k to 75 kΩ
T-OFF pin resistance ROFF: 2 k to 30 kΩ
5.Block Diagram
6.Pin Arrangement
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
1998
Total Annual:
50000000-70000000
Employee Number:
100~200
Ecer Certification：
Site Member
Shenzhen Hongxinwei Technology Co., Ltd is located in the Bao’an District of Shenzhen.It is a high-tech enterprise setting research and development, production, sales into an integration. The company covers an area of 15 acres, having modern producing workshop and professional production and t... Shenzhen Hongxinwei Technology Co., Ltd is located in the Bao’an District of Shenzhen.It is a high-tech enterprise setting research and development, production, sales into an integration. The company covers an area of 15 acres, having modern producing workshop and professional production and t...
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