MIC2289C(2007) 데이터 시트보기 (PDF) - Micrel

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MIC2289C
(Rev.:2007)

White LED Driver Internal Schottky Diode and OVP

Micrel 

Micrel, Inc.

Ordering Information

Part Number

Marking Overoltage

Code

Protection

MIC2289C-34BD6

SM34|

34V

MIC2289C-34YD6

SM34|

34V

Note: Marking bars may not be to scale.

Junction

Temp. Range

–40°C to +125°C

–40°C to +125°C

Package

6-Pin Thin SOT-23

6-Pin Thin SOT-23

MIC2289C

Lead Finish

Standard

Pb-Free

Pin Configuration

FB GND SW

321

SM34 Denotes

Pb-Free

Denotes

MIC2289C

4 56

EN VIN VOUT

6- Pin Thin SOT-23 (D6)

Pin Description

Pin Number

1

2

3

4

5

6

Pin Name

SW

GND

FB

EN

VIN

OUT

Pin Name

Switch node (Input): Internal power BIPOLAR collector.

Ground (Return): Ground.

Feedback (Input): Output voltage sense node. Connect the cathode of the LED to

this pin. A resistor from this pin to ground sets the LED current.

Enable (Input): Logic high enables regulator. Logic low shuts down regulator.

Supply (Input): 2.7V to 8V for internal circuitry.

Output Pin and Overvoltage Protection (Output): Connect to the output capacitor

and LEDs.

August 2007

2

M9999-081507-B

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