MIC2199BML datasheet(3/14 Pages) MICREL

3 / 14 page

January 2010

M9999-011310

Micrel, Inc.

MIC2199

Electrical Characteristics (Note 4)

VIN = VEN = 12V; TJ = 25°C, unless noted, boldvaluesindicate–40°C≤TJ≤+125°C

Parameter

Condition

Min

Typ

Max

Units

FeedbackVoltageReference

(±1%)

0.792

0.8

0.808

FeedbackVoltageReference

(±2%)

0.784

0.816

Feedback Voltage Reference

4.5V < VIN < 32V, 0 < (VCSH – VOUT)<60mV(±3%)

0.776

0.824

FeedbackBiasCurrent

Output Voltage Range

0.8

Output Voltage Line Regulation

VIN = 4.5V to 32V, VCSH – VOUT=60mV

0.03

%/V

Output Voltage Load Regulation

25mV < (VCSH – VOUT)<60mV

0.5

Input and VDD Supply

QuiescentCurrent

excludingexternalMOSFETgatedrivecurrent

1.6

2.5

ShutdownQuiescentCurrent

VEN/UVLO = 0V

0.1

µA

DigitalSupplyVoltage(VDD)

IL = 0mA to 5mA

4.7

5.0

5.3

Undervoltage Lockout

VIN upper threshold (turn-on threshold)

4.25

4.4

VIN lower threshold (turn-off threshold)

3.95

4.1

Enable/UVLO

EnableInputThreshold

0.6

1.1

1.6

UVLO Threshold

2.2

2.5

2.8

EnableInputCurrent

VEN/UVLO = 5V

0.1

µA

Current Limit

Current Limit Threshold Voltage

(VCSH – VOUT)

Error Amplifier

TransconductanceErrorAmplifierGM

0.2

Oscillator Section

Oscillator Frequency

270

300

330

kHz

MaximumDutyCycle

Minimum On-Time

170

200

Frequency Foldback Threshold

measured at VOUT pin

0.25

0.40

0.55

Foldback Frequency

kHz

Gate Drivers

Rise/Fall Time

CL = 3000pF

Output Driver Impedance

source

8.5

sink

3.5

6Ω

Driver Non-Overlap Time

Note 1. Exceedingtheabsolutemaximumratingmaydamagethedevice.

Note 2. The device is not guaranteed to function outside its operating rating.

Note 3. DevicesareESDprotected;however,handlingprecautionsarerecommended.Humanbodymodel,1.5kinserieswith100pF.

Note 4. Specificationforpackagedproductonly.

Absolute Maximum Ratings (Note 1)

AnalogSupplyVoltage(VIN)........................................+34V

DigitalSupplyVoltage(VDD)..........................................+7V

DriverSupplyVoltage(BST) ...................................VIN+7V

SenseVoltage(VOUT, CSH) ...............................7V to –0.3V

EnablePinVoltage(VEN/UVLO)....................................... VIN

Power Dissipation (PD)

4×4 MLF™..................................665mW @ TA = 85°C

AmbientStorageTemperature(TS).......... –65°Cto+150°C

ESD,

Note 3

Operating Ratings (Note 2)

AnalogSupplyVoltage(VIN)......................... +4.5Vto+32V

Output Voltage Range (VOUT) ....................... +0.8Vto+6V

Junction Temperature (TJ)........................ –40°Cto+125°C

Package Thermal Resistance

4×4 MLF-12L (θJA)...............................................60°C/W

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