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MIC5235
(Rev.:2003)

Ultra-Low Quiescent Current, 150mA µCap LDO Regulator

Micrel 

MIC5235

Absolute Maximum Ratings (Note 1)

Input Supply Voltage ....................................... –20V to 38V

Enable Input Voltage ...................................... –0.3V to 38V

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

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

Storage Temperature ............................... –65°C to +150°C

ESD Rating, Note 3

Micrel

Operating Ratings (Note 2)

Input Supply Voltage ........................................ 2.3V to 24V

Enable Input Voltage ........................................... 0V to 24V

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

Package Thermal Resistance

SOT-23-5 (θJA) .................................................. 235°C/W

Electrical Characteristics (Note 4)

TA = 25°C with VIN = VOUT + 1V; IOUT = 100µA , Bold values indicate –40°C < TJ < +125°C; unless otherwise specified.

Parameter

Condition

Min. Typ. Max.

Output Voltage Accuracy

Variation from nominal VOUT

–1.0

+1.0

–2.0

+2.0

Line Regulation

Load Regulation

VIN = VOUT + 1V to 24V

Load = 100µA to 150mA

0.04

0.25

1

Dropout Voltage

IOUT = 100µA

IOUT = 50mA

IOUT = 100mA

IOUT = 150mA

50

230 300

400

270 400

450

310 450

500

Ground Current

Ground Current in Shutdown

Short Circuit Current

Output Leakage,

Reverse Polarity Input

IOUT = 100µA

IOUT = 50mA

IOUT = 100mA

IOUT = 150mA

VEN ≤ 0.6V; VIN = 24V

VOUT = 0V

Load = 500Ω; VIN = –15V

18

30

35

0.35 0.7

1

2

2

4

0.1

1

350 500

–0.1

Enable Input

Input Low Voltage

Regulator OFF

0.6

Input High Voltage

Regulator ON

2.0

Enable Input Current

VEN = 0.6V; Regulator OFF

VEN = 2.0V; Regulator ON

VEN = 24V; Regulator ON

–1.0 0.01 1.0

0.1

1.0

0.5

2.5

Note 1.

Note 2.

Note 3.

Note 4.

Exceeding the absolute maximum rating may damage the device.

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

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

Specification for packaged product only.

Units

%

%

%

%

mV

mV

mV

mV

mV

mV

mV

µA

µA

mA

mA

mA

µA

mA

µA

V

V

µA

µA

µA

August 2003

3

MIC5235

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