NCP1012 Ver la hoja de datos (PDF) - ON Semiconductor

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NCP1012

Self−Supplied Monolithic Switcher for Low Standby−Power Offline SMPS

ON Semiconductor 

NCP1010, NCP1011, NCP1012, NCP1013, NCP1014

ELECTRICAL CHARACTERISTICS (continued) (For typical values TJ = 25°C, for min/max values TJ = 0°C to +125°C,

Max TJ = 150°C, VCC= 8.0 V unless otherwise noted.)

Rating

Pin Symbol

Min

Typ

Max

Unit

INTERNAL OSCILLATOR

Oscillation Frequency, 65 kHz Version, TJ = 25°C (Note 4)

Oscillation Frequency, 100 kHz Version, TJ = 25°C (Note 4)

Oscillation Frequency, 130 kHz Version, TJ = 25°C (Note 4)

Frequency Dithering Compared to Switching Frequency

(with active DSS)

−

fOSC

59

65

71

kHz

−

fOSC

90

100

110

kHz

−

fOSC

117

130

143

kHz

−

fdither

−

"3.3

−

%

Maximum Duty−cycle

−

Dmax

62

67

72

%

FEEDBACK SECTION

Internal Pull−up Resistor

4

Rup

−

18

−

kW

Internal Soft−Start (Guaranteed by Design)

−

Tss

−

1.0

−

ms

SKIP−CYCLE GENERATION

Default Skip Mode Level on FB Pin

4

Vskip

−

0.5

−

V

TEMPERATURE MANAGEMENT

Temperature Shutdown

−

TSD

−

150

−

°C

Hysteresis in Shutdown

4. See characterization curves for temperature evolution.

−

−

−

50

−

°C

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