NCP1399 datasheet(9/44 Pages) ONSEMI

Part #	NCP1399

Description	High Performance Current Mode Resonant Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1399 Series

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ELECTRICAL CHARACTERISTICS

(For typical values TJ = 25°C, for min/max values TJ = −40°C to +125°C, VCC = 12 V unless otherwise noted.)

Symbol

Unit

Max

Typ

Min

Rating

Faults and Auto−Recovery Timer

tFB_FAULT_TIMER

FB fault timer duration (NCP1399AA, NCP1399BA,

NCP1399AK)

−

160

200

240

ms

FB fault timer duration (NCP1399AC, NCP1399AF,

NCP1399AG, NCP1399AI, NCP1399AJ)

−

80

100

120

ms

FB fault timer duration (NCP1399AH)

−

240

300

360

ms

NFB_FAULT_COUNTER Number of DRV pulses to confirm FB fault

−

1000

−

VFB_FAULT

FB voltage when FB fault is detected

5

4.5

4.7

4.9

V

NCS_FAULT_COUNTER Number of CS_fault cmp. pulses to confirm CS fault

−

5

−

VCS_FAULT

CS voltage when CS fault is detected (NCP1399AA,

NCP1399BA, NCP1399AC, NCP1399AF, NCP1399AH,

NCP1399AI, NCP1399AK)

(NCP1399AG)

CS voltage when CS fault is detected (NCP1399AJ)

6

2.5

3.2

1.85

2.7

3.4

2.00

2.9

3.6

2.15

V

tA−REC_TIMER

Auto−recovery duration, common timer for all fault condition

(NCP1399AA, NCP1399BA, NCP1399AC, NCP1399AG,

NCP1399AH, NCP1399AJ, NCP1399AK)

−

0.8

1

1.2

s

Auto−recovery duration, common timer for all fault condition

(NCP1399AI)

−

1.6

1.9

2.4

Brown−Out Protection

VBO

Brown−out turn−off threshold

3

0.965

1.000

1.035

V

IBO

Brown−out hysteresis current, VVBULK/PFC_FB < VBO

3

4.3

5.0

5.4

mA

VBO_HYST

Brown

*Out comparator hysteresis

3

5

12

25

mV

IBO_BIAS

Brown

*Out input bias current

3

−

0.05

mA

tBO_FILTR

BO filter duration

3

10

20

30

ms

Ramp Compensation

RCGAIN

Ramp compensation gain (NCP1399AA, NCP1399BA,

NCP1399AC, NCP1399AF NCP1399AG, NCP1399AK)

Ramp compensation gain (NCP1399AI)

Ramp compensation gain (NCP1399AJ)

Ramp compensation gain (NCP1399AH)

−

58

82

92

107

82

110

125

149

108

131

150

168

mV/

ms

tRC_SHIFT

Ramp compensation time shift

−

0.6

−

ms

Temperature Shutdown Protection

TTSD

Temperature shutdown TJ going up (NCP1399AA,

NCP1399BA, NCP1399AH, NCP1399AK)

−

124

−

°C

Temperature shutdown TJ going up (NCP1399AC,

NCP1399AF, NCP1399AG, NCP1399AI, NCP1399AJ)

−

137

−

°C

TTSD_HYST

Temperature shutdown hysteresis

−

30

−

°C

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.

2. The NCP1399Ay version has skip adjustable externally.

3. Guaranteed by design.

4. Minimal impedance on P ON/OFF pin is 1 k

W

5. Minimal resistance connected in series with bootstrap diode is 3.3

W

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