NCP1216AD100R2G(2010) 查看數據表（PDF） - ON Semiconductor

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NCP1216AD100R2G
(Rev.:2010)

PWM Current-Mode Controller for High-Power Universal Off-Line Supplies

ON Semiconductor 

NCP1216, NCP1216A

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

TJ = 150°C, VCC = 11 V unless otherwise noted.)

Characteristic

Pin Symbol Min

Typ

Max Unit

INTERNAL OSCILLATOR (VCC = 11 V, Pin 5 Loaded by 1.0 kW)

Oscillation Frequency, 65 kHz Version

Oscillation Frequency, 100 kHz Version

Oscillation Frequency, 133 kHz Version

Built−in Frequency Jittering in Percentage of fOSC

Maximum Duty−Cycle

NCP1216

NCP1216A

fOSC

fOSC

fOSC

fjitter

Dmax

58.5

65

71.5 kHz

90

100

110 kHz

120

133

146 kHz

±4.0

%

69

75

81

%

42

46.5

50

FEEDBACK SECTION (VCC = 11 V, Pin 5 Loaded by 1.0 kW)

Internal Pullup Resistor

Pin 2 (FB) to Internal Current Setpoint Division Ratio

SKIP CYCLE GENERATION

2

Rup

−

Iratio

20

kW

3.3

Default Skip Mode Level

Pin 1 Internal Output Impedance

INTERNAL RAMP COMPENSATION

1

Vskip

0.9

1.1

1.26

V

1

Zout

25

kW

Internal Ramp Level @ 25°C (Note 4)

Internal Ramp Resistance to CS Pin

4. A 1.0 MW resistor is connected to the ground for the measurement.

3

Vramp

2.6

2.9

3.2

V

3

Rramp

19

kW

http://onsemi.com

5

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