MIC5282 datasheet(4/19 Pages) MICREL

4 / 19 page

Micrel, Inc.

MIC5282

February 12, 2014

Revision 1.1

Absolute Maximum Ratings

(1)

VIN to GND................................................... –0.3V to +125V

VCPSRR to GND..................................................–0.3 to +14V

VFB, VSNS, VOUT to GND ................................... –0.3V to +6V

Lead Temperature (soldering, 10s).......................... +260°C

Junction Temperature ......................... –40°C ≤ TJ ≤ +125°C

Storage Temperature .........................–65°C ≤ TA ≤ +150°C

ESD Ratings

(4)

HBM ......................................................................... 2kV

MM .........................................................................200V

Operating Ratings

(2)

VIN ................................................................. +6V to +120V

VOUT Adjust Range ..................................... +1.27V to +5.5V

Junction Temperature ......................... –40°C ≤ TJ ≤ +125°C

Power Dissipation (PD) ........................... Internally Limited

(3)

Junction Thermal Resistance (

JA)

8-pin ePad MSOP..............................................64°C/W

8-pin MSOP .....................................................160°C/W

Electrical Characteristics

(5)

VIN = 12V, CIN = 1.0µF, CPSRR = 0.1µF, COUT = 10µF, VOUT = 5.0V or 3.3V, IOUT = 100µA, TA = 25°C, bold values indicate

–40

°C ≤ T

J ≤ +125°C, unless noted.

Parameter

Condition

Min.

Typ.

Max.

Units

Power Supply Input

Input Voltage Range

(6)

120

Quiescent Supply Current

(7)

IOUT = 0

µA

Output Voltage

Adjustable

1.27

5.5

Fixed 3.3V

3.2

3.3

3.4

3.13

3.3

3.47

Fixed 5.0V

4.85

5.0

5.15

4.75

5.0

5.25

Output Voltage Accuracy

Variation from nominal VOUT

-3

-5

Load Regulation

IOUT = 100µA to 50mA

ePad

-1.0

0.5

+1.0

non-ePad

-1.2

0.6

+1.2

Line Regulation

(8)

VIN = 10V to 120V

-0.5

0.04

+0.5

%/V

Feedback Input (Adjustable)

FB Voltage

1.232

1.270

1.308

1.206

1.270

1.333

FB Current

VFB = 1.27V

3.2

Current Limit

VOUT = 0V

125

260

Ripple Rejection

Power Supply Rejection Ratio

(9)

100Hz ≤ f ≤ 1kHz

1kHz ≤ f ≤ 5kHz

5kHz ≤ f ≤ 40kHz

40kHz ≤ f ≤ 1MHz

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