ISL1904FAZ datasheet(9/21 Pages) INTERSIL

tên linh kiện	ISL1904FAZ

Giải thích chi tiết về linh kiện	Dimmable AC Mains LED Driver with PFC and Primary Side Regulation

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ISL1904

9

FN8286.1

September 20, 2012

Absolute Maximum Ratings (Note 4)

Thermal Information

Supply Voltage, VDD. . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +28.0V

OUT, PWMOUT, DHC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GND - 0.3V to VDD

Signal Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to VREF + 0.3V

VREF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GND - 0.3V to 6.0V

Peak OUT Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.0A

Peak PWMOUT Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.0A

ESD Classification

Human Body Model (Per MIL-STD-883 Method 3015.7). . . . . . . . 2500V

Machine Model (Per EIAJ ED-4701 Method C-111) . . . . . . . . . . . . . 200V

Charged Device Model (Per EOS/ESD DS5.3, 4/14/93). . . . . . . . 1000V

Latch up (Per JESD-78B; Class 1, Level A) . . . . . . . . . . . . . . . . . . . . 100mA

Thermal Resistance (Typical)

θJA (°C/W)

θJC (°C/W)

16 Ld QSOP Package (Notes 5, 6) . . . . . . .

85

44

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . -55°C to 150°C

Maximum Storage Temperature Range . . . . . . . . . . . . . . . -65°C to 150°C

Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

Operating Conditions

Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C

Supply Voltage Range (Typical). . . . . . . . . . . . . . . . . . . . . . . . . 9 TO 20 VDC

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product

reliability and result in failures not covered by warranty.

NOTES:

4. All voltages are with respect to GND.

5.

θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.

6. For

θJC, the “case temp” location is taken at the package top center.

Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram -

ISL1904” on page 2 and “Typical Application schematics” beginning on page 3. VDD = 17V, RRAMP = 54kΩ, CRAMP = 470pF, TA = -40°C to

+125°C, Typical values are at TA = +25°C; Boldface limits apply over the operating temperature range, -40°C to +125°C.

PARAMETER

TEST CONDITIONS

MIN

(Note 7)

TYP

MAX

(Note 7)

UNITS

SUPPLY VOLTAGE

Supply Voltage

--

26

V

Start-Up Current, IDD

VDD = 5.0V

-

100

200

µA

Operating Current, IDD

RLOAD, COUT = 0

-

6.0

7.8

mA

UVLO START Threshold

8.15

8.55

8.95

V

UVLO STOP Threshold

6.80

7.10

7.50

V

Hysteresis

-1.45

-

V

REFERENCE VOLTAGE VREF

Overall Accuracy

IVREF = 0 - -10mA, 8V < VDD< 26V

5.30

5.40

5.50

V

Long Term Stability

TA = 125°C, 1000 hours (Note 8)

-

10

25

mV

Operational Current (Source)

8V < VDD< 26V

-

-10

mA

Current Limit

VREF = 5.00V, 8V < VDD< 26V

-100

-

-15

mA

Load Capacitance

(Note 8)

0.1

-

3.3

µF

PEAK CURRENT SENSE (OC)

Current Limit Threshold

VERR = VREF, RAMP = 0V

570

595

616

mV

IOUT Amplifier Gain

VOC = 0.4V, 8V < VDD< 17V

3.83

4.00

4.18

V/V

IOUT High Level Output Voltage (VOH)

VIOUT @ 0µA - VIOUT @ -100µA,

8V < VDD< 26V

--

0.1

V

IOUT Low Level Output Voltage (VOL)

VIOUT @ 100µA, 8V < VDD< 26V

-

0.1

V

Leading Edge Blanking (LEB) Duration

70

120

146

ns

OC to OUT Delay + LEB

TA = 25°C

110

170

200

ns

Input Bias Current

VOC = 0.3V

-1.0

-

1.0

µA

Số phần tương tự - ISL1904FAZ

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