MIC5301YML datasheet(4/11 Pages) MICREL

4 / 11 page

Micrel, Inc.

MIC5301

April 2008

M9999-042108

Absolute Maximum Ratings(1)

Supply Voltage (VIN) .....................................0V to +6V

Enable Input Voltage (VEN)...........................0V to +6V

Power Dissipation, Internally Limited

(3)

Lead Temperature (soldering, 3sec) ..................260°C

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

Operating Ratings(2)

Supply Voltage (VIN).............................. +2.3V to +5.5V

Enable Input Voltage (VEN).............................. 0V to VIN

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

Junction Thermal Resistance

MLF-6 (

θJA).............................................. 100°C/W

Thin MLF-6 (

θJA)...................................... 100°C/W

TSOT-23-5 (

θJA) ...................................... 235°C/W

Electrical Characteristics(4)

VIN = VOUT + 1.0V; COUT = 1.0µF; IOUT = 100µA; TJ = 25°C, bold values indicate –40°C to +125°C, unless noted.

Parameter

Conditions

Min

Typ

Max

Units

Variation from nominal VOUT

-2.0

+2.0

Output Voltage Accuracy

Variation from nominal VOUT; –40°C to +125°C

-3.0

+3.0

Line Regulation

VIN = VOUT + 1V to 5.5V; IOUT = 100µA

0.02

0.3

0.6

%/V

Load Regulation

IOUT = 100µA to 150mA

0.15

2.0

Dropout Voltage

(5)

IOUT = 100µA

IOUT = 100mA

IOUT = 150mA

0.1

100

Ground Pin Current

IOUT = 0 to 150mA

120

µA

Ground Pin Current in

Shutdown

VEN ≤ 0.2V

0.01

µA

Ripple Rejection

f = 1kHz; COUT = 1.0µF; CBYP = 0.1µF

f = 20kHz; COUT = 1.0µF; CBYP = 0.1µF

Current Limit

VOUT = 0V

275

450

850

Output Voltage Noise

COUT = 1.0µF; CBYP = 0.1µF; 10Hz to 100kHz

µVRMS

Enable Input

Logic Low

0.2

Enable Input Voltage

Logic High

VIL ≤ 0.2V

0.01

µA

Enable Input Current

VIH ≥ 1.0V

0.01

µA

Turn-on Time

COUT = 1.0µF; CBYP = 0.1µF

100

µs

Notes:

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

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

3. The maximum allowable power dissipation of any TA (ambient temperature) is PD(max) = (TJ(max) – TA) / θJA. Exceeding the maximum allowable

power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.

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.

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