MIC79110 datasheet(3/16 Pages) MICREL

3 / 16 page

Micrel, Inc.

MIC79110

September 23, 2013

Revision 2.1

Absolute Maximum Ratings(2)

Input Supply Voltage (VIN).................................... 0V to 18V

Shutdown Input Voltage (VSD).............................. 0V to 10V

Output Voltage (ADJ) .....................................................10V

Power Dissipation ...................................Internally Limited

Junction Temperature ...............................–40°C to +125°C

Operating Ratings(3)

Input Supply Voltage ........................................ 2.5V to 16V

Shutdown Input Voltage (VSD)................................ 0V to 7V

Output Voltage (ADJ)....................................................9.6V

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

3mm × 3mm DFN-10 (θJA)..................................... 60°C

3mm × 3mm DFN-10 (θJC)....................................... 2°C

Electrical Characteristics(4)

TA = 25°C with VIN = VOUT + 1V; ILOAD = 100µA; CBAT = 10µF; SD = 0V; RSET = 1kΩ.

Bold values indicate –40ºC < TJ < +125°C; unless

otherwise specified.

Parameter

Condition

Min.

Typ.

Max.

Units

Output Voltage Accuracy

VOUT = 4.2V; ILOAD = 50mA; TJ = –5°C to +60°C

-0.75

+0.75

VOUT = 4.2V; ILOAD = 50mA; TJ = –40°C to +125°C

-1.5

+1.5

ADJ Pin Voltage Accuracy

0.5955

0.6

0.6045

Line Regulation

VIN = VOUT + 1V to 16V @ ILOAD = 50mA

-0.1

+0.1

%/V

Load Regulation

ILOAD = 0.1mA to 1A

0.3

Dropout Voltage(5)

ILOAD = 100mA, RSET = 167Ω

160

250

ILOAD = 700mA, RSET = 167Ω

375

550

Ground Current

ILOAD = 10mA, RSET = 167Ω

ILOAD = 700mA, RSET = 167Ω

VIN Pin Current

SD = VIN

120

300

µA

Shutdown Pin Current

SD = 5.2V, VBAT = 0

0.1

µA

Shutdown Input Threshold

Logic High, regulator off

1.05

Logic Low, regulator on

0.93

Shutdown Hysteresis

Current Limit Accuracy(6, 7)

VOUT = 0.9 × VNOM; IOUT = 1.2A, RSET = 167Ω,

TJ = –40°C to +85°C

-5

VOUT = 0.9 × VNOM; IOUT = 0.1A, RSET = 2kΩ

-20

+20

Current-Limit Setpoint Range(7)

0.1

1.2

Notes:

2. Exceeding the absolute maximum rating may damage the device.

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

4. Specification for packaged product only.

5. Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at 1V

differential. For outputs below 2.5V, dropout voltage is the input-to-output voltage differential with the minimum input voltage 2.5V. Minimum input

operating voltage is 2.5V.

6. VNOM denotes the nominal output voltage.

7. IRSET = (0.2V/RSET) × 1000.

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