NCL30002 데이터 시트보기 (PDF) - ON Semiconductor

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NCL30002

Power Factor Corrected Buck LED Driver

ON Semiconductor 

NCL30002

Table 3. ELECTRICAL CHARACTERISTICS

VMFP = 2.4 V, VControl = 4 V, Ct = 1 nF, VCS = 0 V, VZCD = 0 V, CDRV = 1 nF, VCC = 12 V, unless otherwise specified

(For typical values, TJ = 25°C. For min/max values, TJ = −40°C to 125°C, unless otherwise specified)

Characteristic

Test Conditions

Symbol

Min

Typ

STARTUP AND SUPPLY CIRCUITS

Startup Voltage Threshold

Minimum Operating Voltage

Supply Voltage Hysteresis

VCC Increasing

VCC Decreasing

Startup Current Consumption

No Load Switching

Current Consumption

0 V < VCC < VCC(on) − 200 mV

CDRV = open, 70 kHz Switching,

VCS = 2 V

Switching Current Consumption

70 kHz Switching, VCS = 2 V

Fault Condition Current Consumption

No Switching, VMFP = 0 V

OVERVOLTAGE AND UNDERVOLTAGE PROTECTION

VCC(on)

11

VCC(off)

8.8

HUVLO

2.2

Icc(startup)

−

Icc1

−

Icc2

−

Icc(fault)

−

12

9.5

2.5

24

1.4

2.1

0.75

Overvoltage Detect Threshold

Overvoltage Hysteresis

Overvoltage Detect Threshold

Propagation Delay

Undervoltage Detect Threshold

Undervoltage Detect Threshold

Propagation Delay

ERROR AMPLIFIER

VMFP = Increasing

VMFP = 1 V to 3 V step,

VMFP = VOVP to VDRV = 10%

VMFP = Decreasing

VMFP = 2 V to 0 V step,

VMFP = VUVP to VDRV = 10%

VOVP

2.5

VOVP(HYS)

20

tOVP

−

VUVP

tUVP

0.25

80

2.67

60

500

0.31

200

Voltage Reference

Voltage Reference Line Regulation

Error Amplifier Current Capability

Transconductance

Feedback Pin Internal Pull−Down

Resistor

TJ = 25°C

TJ = −40°C to 125°C

VCC(on) + 200 mV < VCC < 20 V

VMFP = VREF + 0.11 V

VMFP = 1.08*VREF

VMFP = 0.5 V

VMFP = VREF ± 100 mV

TJ = 25°C

TJ = −40°C to 125°C

VMFP = VUVP to VREF

VREF

VREF(line)

IEA(sink)

IEA(sink)OVP

IEA(source)

gm

RMFP

2.397

2.359

−10

6

10

−110

90

70

2

2.510

2.510

−

10

20

−210

110

110

4.6

Feedback Bias Current

Control Bias Current

Maximum Control Voltage

Minimum Control Voltage to Generate

Drive Pulses

Control Voltage Range

VMFP = 2.5 V

VMFP = 0 V

IControl(pullup) = 10 mA,

VMFP = VREF

VControl = Decreasing until

VDRV is low, VCt = 0 V

VEAH – Ct(offset)

IMFP

IControl

VEAH

Ct(offset)

VEA(DIFF)

0.25

−1

5

0.37

4.5

0.54

−

5.5

0.65

4.9

Max

12.5

10.2

2.8

35

1.7

2.6

0.95

2.85

100

800

0.4

320

2.623

2.661

10

20

30

−250

120

135

10

1.25

1

6

0.88

5.3

Unit

V

V

V

mA

mA

mA

mA

V

mV

ns

V

ns

V

mV

mA

mS

MW

mA

mA

V

V

V

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