NCP1230D65R2G datasheet(6/21 Pages) ONSEMI

Part #	NCP1230D65R2G

Description	Low-Standby Power High Performance PWM Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1230

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ELECTRICAL CHARACTERISTICS (For typical values TJ = 25°C, for min/max values TJ = −40°C to +125°C, Max TJ = 150°C,

VCC = 13 V, VPIN8 = 30 V unless otherwise noted.)

Characteristic

Symbol

Min

Typ

Max

Unit

Internal Oscillator

Oscillation Frequency, 65 kHz Version (Vfb = 2.5 V)

Tj = 25°C

Tj = 0°C to +125°C

Tj = −40°C to +125°C

fOSC

−

60

58

55

65

−

70

72

kHz

Oscillation Frequency, 100 kHz Version

Tj = 25°C

Tj = 0°C to +125°C

Tj = −40°C to +125°C

fOSC

−

93

90

85

100

−

107

110

kHz

Oscillation Frequency, 133 kHz Version

Tj = 25°C

Tj = 0°C to +125°C

Tj = −40°C to +125°C

fOSC

−

123

120

113

133

−

143

146

kHz

Internal Modulation Swing, in Percentage of Fsw (Vfb = 2.5 V) (Note 4)

−

"6.4

−

%

Internal Swing Period (Note 4)

−

5.0

−

ms

Maximum Duty−Cycle (CS = 0, Vfb = 2.5 V)

Dmax

−

75

80

85

%

Internal Ramp Compensation

Internal Resistor (Note 4)

Rup

3

9.0

18

36

kW

Ramp Compensation Sawtooth Amplitude

−

3

−

2.3

−

Vpp

Feedback Section

Opto Current Source (Vfb = 0.75 V)

−

2

200

235

270

mA

Pin 3 to Current Setpoint Division Ratio (Note 4)

Iratio

−

2.8

−

Protection

Timeout before Validating Short−Circuit or PFC VCC (Note 4)

TDEL

−

125

−

ms

Latch−Off Level

Vlatch

3

2.7

3.0

3.3

V

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product

performance may not be indicated by the Electrical Characteristics if operated under different conditions.

4. Verified by Design.

Figure 3. VCC(OFF) Threshold vs. Temperature

TYPICAL PERFORMANCE CHARACTERISTICS

Figure 4. VCC(min) Threshold vs. Temperature

7.0

7.2

7.4

7.6

7.8

8.0

TJ, JUNCTION TEMPERATURE (°C)

125

100

75

50

25

0

−25

−50

150

VPIN8 = 30 V

TJ, JUNCTION TEMPERATURE (°C)

125

100

75

50

25

0

−25

−50

12.0

12.2

12.4

12.6

12.8

13.0

150

VCC = 0 V

VPIN8 = 30 V

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