M51995AFP
Category: IC Chips
Description: SWITCHING REGULATOR CONTROL
Price range ($)
0 2.79400
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M51995AFP
M51995AFP has several brands around the world that may have alternate names for M51995AFP due to regional differences or acquisition. M51995AFP may also be known as the following names:
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Description
M51995AFP
Stock:9999 |
Renesas |
SWITCHING REGULATOR CONTROL |
≥1: US $2.79400 US $2.51460 ≥5: US $2.65430 US $2.38887 ≥10: US $2.51460 US $2.26314 ≥20: US $2.44475 US $2.20028 ≥50: US $2.37490 US $2.13741 ≥100: US $2.30505 US $2.07455 ≥200: US $2.23520 US $2.01168 ≥500: US $2.20726 US $1.98653 ≥1000: US $2.16535 US $1.94882
More:
Inquiry
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M51995AFP
Stock:9999 |
Mitsubishi 13 |
SWITCHING REGULATOR CONTROL |
≥1: US $2.79400 US $2.51460 ≥5: US $2.65430 US $2.38887 ≥10: US $2.51460 US $2.26314 ≥20: US $2.44475 US $2.20028 ≥50: US $2.37490 US $2.13741 ≥100: US $2.30505 US $2.07455 ≥200: US $2.23520 US $2.01168 ≥500: US $2.20726 US $1.98653 ≥1000: US $2.16535 US $1.94882
More:
Inquiry
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M51995AFP
Stock:38070 |
Renesas 13+ |
SWITCHING REGULATOR CONTROL |
|
Inquiry |
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 : ±2A
— Output rise time 60ns, fall time 40ns
— Modified totempole output method with small through current
● Compact and light-weight power supply
— Small start-up current : 90μA typ.
— Big difference between “start-up voltage” and “stop voltage” makes the smoothing capacitor of the power input section small.
Start-up threshold 16V, stop voltage 10V
— 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 1.5W (at 25℃)
● 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 36V
● Operating frequency: less than 500kHz
● Oscillator frequency setting resistance
— T-ON pin resistance RON: 10k to 75k?
— T-OFF pin resistance ROFF: 2k to 30k?
Block Diagram
E-catalog
Freight calculation
Express:(FEDEX, UPS, DHL, TNT)Free shipping on first 0.5kg for orders over 200$,Overweight will be charged separately
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