MIC3230_1 datasheet(5/19 Pages) MICREL

Part #	MIC3230

Description	Constant Current Boost Controller for Driving High Power LEDs

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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5 / 19 page

Micrel, Inc.

MIC3230/1/2

November 2009

5

M9999-113009-B

Electrical Characteristics

VIN = 12V; VEN = 3.6V; L = 47µH; C = 4.7µF; TJ = 25°C, Bold values indicate –40°C≤ TJ ≤ +125°C, unless noted.

Symbol

Parameter

Condition

Min

Typ

Max

Units

VOVP

Over Voltage Protection

1.203

1.24

1.277

V

Driver Impedance

Sink

Source

2.4

2

3.5

Ω

VDRH

Driver Voltage High

VIN = 12V

7

9

11

V

TJ

Over-Temperature Threshold

Shutdown

150

°C

Thermal Shutdown

Hysteresis

5

°C

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