MIC61150 datasheet(3/22 Pages) MICREL

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Micrel, Inc.

MIC61150

November 2010

M9999-112210-A

Absolute Maximum Ratings(1, 2)

VIN to GND...................................................... −0.3V to 4.5V

VCP to GND..................................................... −0.3V to 5.5V

VOUT to GND ...................................................... −0.3V to VIN

VSENSE to GND ................................................... −0.3V to VIN

VEN to GND..................................................... −0.3V to 4.5V

VFB to GND ........................................................ −0.3V to VIN

Junction Temperature (TJ) ......................................... 150°C

Lead Temperature (soldering, 10 sec.)...................... 260°C

Storage Temperature (TS).........................−65°C to +150°C

Operating Ratings(3)

Supply Voltage (VIN)......................................... 1.1V to 3.6V

Enable Voltage (VEN)...................................... −0.3V to 3.6V

Output Voltage Range (VOUT)........................... 0.5V to 3.0V

Ambient Temperature Range (TA) .............. –40°C to +85°C

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

Maximum Power Dissipation (PD) ............................. Note 4

Package Thermal Resistance

3mm

× 3mm MLF-10L (θJA) ............................60.7°C/W

ePad MSOP-10 (

θJA) ......................................76.7°C/W

Electrical Characteristics(5)

VIN = VOUT + 0.2V; VEN = 1.1V; IOUT = 10mA; CCP = 0.1µF; COUT = 22µF; TJ = 25°C. Bold values indicate –40°C ≤ TJ ≤ +125°C, unless

noted.

Parameter

Condition

Min.

Typ.

Max.

Units

Power Supply Input

Input Voltage Range (VIN)

1.1

3.6

IOUT = 1.5A; VIN = 1.2V

1.8

Ground Pin Current

IOUT = 1.5A; VIN = 3.6V

7.6

Ground Current in Shutdown

VEN = 0V; VIN = 2V; VOUT = 0V

0.1

µA

Reference

0.495

0.500

0.505

Feedback Pin Voltage (FB Pin)

Adjustable Output

0.4875

0.500

0.5125

−1

Output Voltage Accuracy

(SENSE Pin)

Fixed Output

−2.5

+2.5

Load Regulation

IOUT = 10mA to 1.5A

−0.3

0.3

Line Regulation

(6)

VIN = (VOUT + 0.2V) to 3.6V

−0.2

0.08

0.2

%/V

FB Pin Current

VFB = 0.5V

0.01

µA

Current Limit

VOUT = 0V

1.7

3.5

Dropout Voltage

Dropout Voltage (VIN − VOUT)

IOUT = 1.5A

200

Notes:

Exceeding the absolute maximum rating may damage the device.

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

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

PD(MAX) = (TJ(MAX) – TA) / θJA, where θJA, depends upon the printed circuit layout. See “Applications Information.”

Specification for packaged product only.

∆VOUT (%) = 0.08 × ∆VIN

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