Anterwell Technology Ltd.
| Payment Terms | T/T, Western Union, Paypal |
| Supply Ability | 4800pcs |
| Delivery Time | 1 day |
| Packaging Details | Please contact me for details |
| Supply voltage | 36 V |
| Collector voltage | 36 V |
| CLM−terminal voltage | −4.0 to +4.0 V |
| CLM+terminal voltage | −0.3 to +4.0 V |
| OVP terminal current | 8 mA |
| Junction temperature | 150 °C |
| Storage temperature | −40 to +125 °C |
| Operating temperature | −30 to +85 °C |
| Brand Name | Anterwell |
| Model Number | M51995AFP |
| 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 | 4800pcs |
| Delivery Time | 1 day | Packaging Details | Please contact me for details |
| Supply voltage | 36 V | Collector voltage | 36 V |
| CLM−terminal voltage | −4.0 to +4.0 V | CLM+terminal voltage | −0.3 to +4.0 V |
| OVP terminal current | 8 mA | Junction temperature | 150 °C |
| Storage temperature | −40 to +125 °C | Operating temperature | −30 to +85 °C |
| Brand Name | Anterwell | Model Number | M51995AFP |
| Certification | new & original | Place of Origin | original factory |
| High Light | electronics ic chip ，integrated circuit ic | ||
M51995AP/AFP
Switching Regulator Control
Description
M51995A is the primary switching regulator controller which is especially designed to get the regulated DC voltage from 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 fast response 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 protection circuit, 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.
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 input section 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 MOS FET. 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
Application
Feed forward regulator, fly-back regulator
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
Absolute Maximum Ratings
| Item | Symbol | Ratings | Unit | Conditions |
| Supply voltage | VCC | 36 | V | |
| Collector voltage | VC | 36 | V | |
| Output current | IO | ±2 | A | Peak |
| ±0.15 | Continuous | |||
| VF terminal voltage | VVF | VCC | V | |
| ON/OFF terminal voltage | VON/OFF | VCC | V | |
| CLM−terminal voltage | VCLM− | −4.0 to +4.0 | V | |
| CLM+terminal voltage | VCLM+ | −0.3 to +4.0 | V | |
| OVP terminal current | IOVP | 8 | mA | |
| DET terminal voltage | VDET | 6 | V | |
| DET terminal input current | IDET | 5 | mA | |
| F/B terminal voltage | VFB | 0 to 10 | V | |
| T-ON terminal input current | ITON | -1 | mA | |
| T-OFF terminal input current | ITOFF | -2 | mA | |
| Power dissipation | Pd | 1.5 | W | Ta = 25°C |
| Thermal derating factor | Kθ | 12 | mW/°C | Ta > 25°C |
| Operating temperature | Topr | −30 to +85 | °C | |
| Storage temperature | Tstg | −40 to +125 | °C | |
| Junction temperature | Tj | 150 | °C |
Notes:
1. “+” sign shows the direction of current flow into the IC and “−” sign shows the current flow from the IC.
2. This terminal has the constant voltage characteristic of 6 to 8 V, when current is supplied from outside. The maximum allowable voltage is 6 V when the constant voltage is applied to this terminal. And maximum allowable current into this terminal is 5 mA.
3. The low impedance voltage supply should not be applied to the OVP terminal.
Block Diagram
Pin Arrangement
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Company Details
Business Type:
Distributor/Wholesaler,Trading Company
Year Established:
2004
Total Annual:
500000-1000000
Employee Number:
20~30
Ecer Certification：
Site Member
King--- Originator of ANTERWELL, engaged in the IC electronics industry in 1998 and establish ANTERWELL in 2004. The company is located in Shenzhen Huaqiang North, the largest electronic center in Asia. Our main business is the technical development and ... King--- Originator of ANTERWELL, engaged in the IC electronics industry in 1998 and establish ANTERWELL in 2004. The company is located in Shenzhen Huaqiang North, the largest electronic center in Asia. Our main business is the technical development and ...
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