NCP1219BD65R2G datasheet(6/20 Pages) ONSEMI

Part #	NCP1219BD65R2G

Description	PWM Controller with Adjustable Skip Level and External Latch Input

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Manufacturer	ONSEMI [ON Semiconductor]

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Table 3. ELECTRICAL CHARACTERISTICS (VHV = 60 V, VCC = 11.3 V, VFB = 2 V, VSkip/latch = 0 V, VCS = 0 V, VDRV = open, CCC =

0.1 mF, for typical values TJ = 25°C, for min/max values, TJ is –40°C to 125°C, unless otherwise noted)

Characteristics

Conditions

Symbol

Min

Typ

Max

Unit

STARTUP AND SUPPLY CIRCUITS

Supply Voltage

Startup Threshold

Minimum Operating Voltage

Undervoltage Lockout

Double Hiccup Threshold

Logic Reset Voltage

VCC Increasing

VCC Decreasing

VCC(on)

VCC(MIN)

UVLO

VCC(hiccup)

VCC(reset)

11.2

9.0

8.4

4.9

–

12.7

9.9

9.4

5.7

4.0

13.8

10.8

10.6

6.3

–

V

UVLO Filter Delay

tUVLO(delay)

–

50

–

ms

Inhibit Threshold Voltage

Iinhibit = 500 mA

Vinhibit

0.35

0.67

0.90

V

Inhibit Bias Current

VCC = 0 V

Iinhibit

100

200

350

mA

Minimum Startup Voltage

Istart = 0.5 mA, VCC = VCC(on) – 0.5 V

Vstart(min)

–

20

28

V

Startup Current

VCC = VCC (on) – 0.5 V

Istart

5.5

12.8

18.5

mA

Startup Circuit Reverse Current

VHV = 0 V, VCC = 14 V

IHV(reverse)

–

100

mA

Off−State Leakage Current

VHV = 500 V, VCC = 14 V

IHV(off)

–

12

50

mA

Breakdown Voltage (Note 5)

IHV = 50 mA

VBR(DS)

500

–

V

Supply Current

Device Disabled/Fault

Device Enabled/No Switching

Device Switching (65 kHz)

Device Switching (100 kHz)

VSkip/latch = 5.2 V, VFB = open

VSkip/latch = open, VFB = 0 V

VSkip/latch = open, CDRV = 1000 pF

ICC1

ICC2

ICC3A

ICC3B

–

0.6

1.4

2.2

2.4

0.8

2.1

2.7

3.2

mA

CURRENT SENSE

Current Sense Voltage Threshold

Apply voltage step on CS pin

VILIM

0.95

1.0

1.05

V

Leading Edge Blanking Duration

tLEB

100

184

330

ns

Propagation Delay

VCS > VILIM to 50% DRV turns off,

CDRV = 1000 pF

tdelay

–

59

150

ns

Ramp Compensation Peak Current

Iramp(peak)

–

100

–

mA

Ramp Compensation Valley Current

Iramp(valley)

–

0

–

mA

FEEDBACK INPUT

Open Feedback Voltage

VFB(open)

3.2

3.6

3.9

V

Internal Pull−up Resistance

RFB

–

16.7

–

kW

Feedback Pull−up Current

VFB = 0 V

IFB

141

280

392

mA

Feedback to Current Set Point Ratio

Iratio

–

3.0

–

SOFT−START

Soft−Start Period

Measured at 0.9 VILIM

tSSTART

–

4.8

–

ms

OSCILLATOR

Oscillator Frequency

65 kHz Option

100 kHz Option

TJ = 25_C

TJ = −40_C to 85_C

TJ = −40_C to 125_C

TJ = 25_C

TJ = −40_C to 85_C

TJ = −40_C to 125_C

fOSC

61.75

58

55

95

89

85

65

–

100

–

68.25

71

105

107

kHz

Frequency Modulation in

Percentage of fOSC

–

±7.5

–

%

Frequency Modulation Period

–

6.0

–

ms

Maximum Duty Ratio

D

75

80

85

%

5. Guaranteed by the IHV(off) test.

6. Guaranteed by design only.

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