MIC3202 datasheet(4/19 Pages) MICREL

Part #	MIC3202

Description	High-Brightness LED Driver with Integrated MOSFET and High-Side Current Sense

PDF	19 Pages

Scroll/Zoom	100%

Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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4 / 19 page

Micrel, Inc.

MIC3202

September 2010

M9999-091710-A

Electrical Characteristics (4)

VIN = VEN = VDIM = 12V; CVCC = 1.0µF; TJ = 25°C, bold values indicate −40°C ≤ TJ ≤ +125°C; unless noted.

Symbol

Parameter

Condition

Min.

Typ.

Max.

Units

Dimming Input

DIMHI

DIM Logic Level High

2.0

DIM Logic Level Low

0.4

VDIM = 12V

DIMLO

DIM Bias Current

VDIM = 0V

0.1

µA

fDIM

Maximum Dimming Frequency

kHz

Internal MOSFET

MOSFET RDS(ON)

ILX = 200mA

275

625

mΩ

RDS(ON)

LX Leakage Current

VEN = 0V; VIN = VLX = 37V

µA

Thermal Protection

TLIM

Over-Temperature Shutdown

TJ Rising

160

TLIMHYS

Over-Temperature Shutdown Hysteresis

°C

Notes:

Exceeding the absolute maximum rating may damage the device.

Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.

The device is not guaranteed to function outside its operating rating.

Specification for packaged product only.

Guaranteed by design.

MIC3202 Datasheet(PDF) 4 Page - Micrel Semiconductor

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