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Converter Offline Flyback Topology Up to 300kHz 8-SOIC
SOP-8Hersteller:
Herstellerteil #:
NCP1377BDR2G
Datenblatt:
Case Outline:
751-07
MSL Temp (°C):
260
Container Type:
REEL
Topology:
Flyback
EDA/CAD Modelle:
Bitte füllen Sie das kurze Formular unten aus und wir werden Ihnen umgehend ein Angebot zukommen lassen..
The NCP1377 combines a true current mode modulator and a demagnetization detector which ensures full borderline / critical Conduction Mode in any load/line conditions together with minimum drain voltage switching (Quasi-Resonant operation). Due to its inherent skip cycle capability, the controller enters burst mode as soon as the power demand falls below a predetermined level. As this happens at low peak current, no audible noise can be heard. For NCP1377, an internal 8.0µs timer prevents the free-run frequency to exceed the 150kHz CISPR-22 EMI starting limit while the skip adjustment capability lets the user select the frequency at which the burst foldback takes place. For NCP1377B, the internal timer duration is reduced to 3.0µs to allow operation at higher frequencies.
The transformer core reset detection is done through an auxiliary winding which, brought via a dedicated pin, also enables fast Over-Voltage Protection (OVP). Once an OVP has been detected, the IC permanently latches-off. The 1377 features a sampling time of 4.5µs whereas it is 1.5µs for the B version.
The NCP1377 also features an efficient protective circuitries which, in presence of an overcurrent condition, disables the output pulses and enters a safe burst mode, trying to re-start. Once the default has gone, the device auto-recovers. Finally an internal 1ms soft-start eliminates the traditional startup stress.
Status | Last Shipments | Case Outline | 751-07 |
MSL Temp (°C) | 260 | Container Type | REEL |
Product Category | Switching Controllers | Topology | Flyback |
Number of Outputs | 1 Output | Switching Frequency | 300 kHz |
Duty Cycle - Max | - | Input Voltage | 11 V |
Output Voltage | 18 V | Output Current | 500 mA |
Minimum Operating Temperature | - 25 C | Maximum Operating Temperature | + 125 C |
Mounting Style | SMD/SMT | Fall Time | 20 ns |
Operating Supply Voltage | 18 V | Product Type | Switching Controllers |
Rise Time | 40 ns | Series | NCP1377 |
Factory Pack Quantity | 2500 | Subcategory | PMIC - Power Management ICs |
Type | Current Mode PWM Controllers | Unit Weight | 0.005044 oz |
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Bezahlverfahren
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AVAQ bestimmt und verpackt alle Geräte auf der Grundlage der Schutzanforderungen gegen elektrostatische Entladung (ESD) und Feuchtigkeitsempfindlichkeit (MSL)..
365-Tage-Produkt
Qualitätsgarantie
Wir versprechen, 365 Tage Qualitätssicherung für alle unsere Produkte zu bieten.
Menge. | Einzelpreis | Ext. Preis |
---|---|---|
1+ | $1,008 | $1,01 |
10+ | $0,843 | $8,43 |
30+ | $0,760 | $22,80 |
100+ | $0,678 | $67,80 |
500+ | $0,551 | $275,50 |
1000+ | $0,525 | $525,00 |
Die unten angegebenen Preise dienen nur als Referenz.
Alle Stücklisten (BOM) können per E-Mail gesendet werden an
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oder füllen Sie das untenstehende Formular aus, um ein Angebot für NCP1377BDR2G zu erstellen, garantierte Angebote zurück innerhalb
12 Std.
Put 24 pieces, the packaging is ordinary puffy, the track was not tracked, the parcel was traveling a little less than a month.